AIM37AC Computer Test Report Dosimetric Evaluation of the Cellular Phone Advantech Co Ltd

Advantech Co Ltd Computer

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Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Report No: T170919D06-SF
FCC 47 CFR §2.1093 and IEEE Std 1528-2013
in accordance with the requirements of
FCC Report and Order: ET Docket 93-62
FCC TEST REPORT
For
Computer
Trade Name: ADVANTECH
Model:
AIM-37AT-AC0; AIM-37ATxxxxxxxxxxxxxxxx; AIM37ATxxxxxxxxxxxxxxxx; AIM37ACxxxxxxxxxxxxxxxx; AIM37ACxxxxxxxxxxxxxxxx (where “x” may be any
alphanumeric character, “-” or blank for marketing purpose and no impact
safety related critical components and constructions)
Issued to
Advantech Co.Ltd.
No.1, Alley 20, Lane 26, Rueiguang Road, Neihu District, Taipei 114, Taiwan, R.O.C.
Issued by
Compliance Certification Services Inc.
No.11, Wugong 6th Rd., Wugu Dist.,
New Taipei City 24891,
Taiwan. (R.O.C.)
http://www.ccsrf.com
service@ccsrf.com
Issued Date: 2018/1/23
Note: This report shall not be reproduced except in full, without the written approval of Compliance
Certification Services Inc. This document may be altered or revised by Compliance Certification
Services Inc. personnel only, and shall be noted in the revision section of the document.
Page 1
Total Page: 45
Rev. 00
Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Report No: T170919D06-SF
Revision History
Rev.
00
Issue Date
2018/1/23
Revisions
Initial Issue
Page 2
Effect Page
Revised By
ALL
Jerry Chuang
Rev. 00
Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Report No: T170919D06-SF
Table of Contents
Certificate of Compliance (SAR Evaluation) ............................................................... 5
Description of Equipment Under Test ....................................................................... 6
2.1
Requirements for Compliance Testing Defined .......................................................... 8
3.1
Summary of Highest SAR Values ...................................................................................................................... 7
Requirements for Compliance Testing Defined by the FCC ........................................................................ 8
Dosimetric Assessment System ................................................................................ 9
4.1
Measurement System Diagram ..................................................................................................................... 10
4.2
System Components ........................................................................................................................................ 11
Evaluation Procedures ........................................................................................... 14
SAR Measurement Procedures ............................................................................... 16
6.1
Normal SAR Test Procedure ........................................................................................................................... 16
Measurement Uncertainty..................................................................................... 18
Device Under Test ................................................................................................. 19
8.1
Wireless Technologies ..................................................................................................................................... 19
8.2
Maximum Tune-up Power .............................................................................................................................. 20
8.3
Simultaneous Transmission ............................................................................................................................ 21
Summary of SAR Test Exclusion Configurations ....................................................... 22
9.1
Standalone SAR Test Exclusion Calculations ................................................................................................ 22
9.1.1 SAR Exclusion Calculation For Wi-Fi Antenna < 50mm from the User .................................................... 23
9.1.2 SAR Exclusion Calculations for Wi-Fi Antenna > 50mm from the User ................................................... 24
9.1.3 SAR Required Test Configuration .................................................................................................................. 25
10 Exposure Limit ...................................................................................................... 26
11 Tissue Dielectric Properties .................................................................................... 27
11.1
Test Liquid Confirmation ................................................................................................................................. 27
11.2
Typical Composition of Ingredients for Liquid Tissue Phantoms .............................................................. 28
11.3
Simulating Liquids Parameter Check Results ............................................................................................... 29
12 System Performance Check.................................................................................... 30
12.1
System Performance Check Results .............................................................................................................. 31
13 RF Output Power Measurement ............................................................................. 32
13.1
Wi-Fi (2.4GHz Band) ......................................................................................................................................... 33
13.2
Wi-Fi (5GHz Band) ............................................................................................................................................ 34
13.3
Bluetooth ........................................................................................................................................................... 36
14 SAR Measurements Results ................................................................................... 37
15. Simultaneous Transmission SAR Analysis ................................................................ 40
15.1
Estimated SAR for Simultaneous Transmission SAR Analysis .................................................................... 41
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Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Report No: T170919D06-SF
15.1.1 Estimated SAR for Bluetooth .......................................................................................................................... 41
15.2
Sum of the SAR for Simultaneous Transmission Analysis .......................................................................... 42
15.2.1 Sum of the SAR for WLAN & WWAN ............................................................................................................. 42
16 Equipment List & Calibration Status ....................................................................... 43
17 Facilities ............................................................................................................... 44
18 Reference ............................................................................................................. 44
19 Attachments ......................................................................................................... 45
Page 4
Rev. 00
Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Report No: T170919D06-SF
Certificate of Compliance (SAR Evaluation)
Applicant
Advantech Co.Ltd.
No.1, Alley 20, Lane 26, Rueiguang Road, Neihu District, Taipei 114,
Taiwan, R.O.C.
Computer
ADVANTECH
Equipment Under Test:
Trade Name:
Model Number:
AIM-37AT-AC0;AIM-37ATxxxxxxxxxxxxxxxx;
AIM37ATxxxxxxxxxxxxxxxx; AIM-37ACxxxxxxxxxxxxxxxx;
AIM37ACxxxxxxxxxxxxxxxx (where “x” may be any alphanumeric
character, “-” or blank for marketing purpose and no impact
safety related critical components and constructions)
Date of Test:
January 17~22, 2018
Device Category:
PORTABLE DEVICES
Exposure Category:
GENERAL POPULATION/UNCONTROLLED EXPOSURE
Applicable Standards
FCC






IEEE 1528 2013
KDB 865664 D01 SAR Measurement 100 MHz to 6 GHz v01r04
KDB 865664 D02 RF Exposure Reporting v01r02
KDB 447498 D01 General RF Exposure Guidance v06
KDB 616217 D04 SAR for laptop and tablets v01r02
KDB 248227 D01 SAR Meas for 802.11 v02r02
Limit
1.6 W/kg
Test Result
Pass
The test results in this report apply only to the tested sample of the stated device/equipment. Other similar
device/equipment will not necessarily produce the same results due to production tolerance and measurement
uncertainties.
Approved by:
Tested by:
Scott Hsu
Section Manager
Compliance Certification Services Inc.
Jerry Chuang
SAR Engineer
Compliance Certification Services Inc.
Page 5
Rev. 00
Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Report No: T170919D06-SF
2 Description of Equipment Under Test
Trade Name
Model Number
Test model
RF Module
Test Software
Transmitters
Modulation
Technique
Antenna
Specification
Rechargeable
Li-polymer
Battery–alternate
ADVANTECH
AIM-37AT-AC0;AIM-37ATxxxxxxxxxxxxxxxx; AIM37ATxxxxxxxxxxxxxxxx;
AIM-37ACxxxxxxxxxxxxxxxx; AIM37ACxxxxxxxxxxxxxxxx
(where “x” may be any alphanumeric character,
“-” or blank for marketing purpose and no impact safety related critical
components and constructions)
AIM-37AT-AC0
AMPAK
Model:
AP6225
r596270 WLTEST
Version
7.45(TOB)
Wi-Fi
Bluetooth:GFSK for 1Mbps;/4-DQPSK for 2Mbps;8DPSK for 3Mbps
802.11a: Orthogonal Frequency Division Multiplexing (OFDM)
802.11b: Direct Sequence Spread Spectrum(DSSS)
802.11g: Orthogonal Frequency Division Multiplexing (OFDM)
802.11n: Orthogonal Frequency Division Multiplexing (OFDM)
802.11ac: Orthogonal Frequency Division Multiplexing (OFDM)
Acon
Brand name
Parts Number APF6Y-100027
PIFA
Type
Brand:TCL Hyperpower Batteries Inc.
Model:PR-396698G
Rating:DC 3.8 v / 7700mAh / 29.6Wh
Remark:
1.The sample selected for test was prototype that representative to production product and was provided
by manufacturer
Page 6
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Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
2.1
Report No: T170919D06-SF
Summary of Highest SAR Values
Results for highest reported SAR values for each frequency band and mode.
Technology/Band
Test configuration
Mode
Wi-Fi 2.4 GHz
Rear
802.11b
Highest
Reported 1g-SAR
(W/kg)
0.306
Wi-Fi 5.3 GHz(U-NII 2A)
Edge1
802.11a
1.167
Wi-Fi 5.5 GHz(U-NII 2C)
Edge1
802.11a
1.103
Wi-Fi 5.8 GHz(U-NII 3)
Edge1
802.11a
0.842
Page 7
Rev. 00
Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Report No: T170919D06-SF
Requirements for Compliance Testing Defined
3.1
Requirements for Compliance Testing Defined by the FCC
The US Federal Communications Commission has released the report and order “Guidelines for Evaluating the
Environmental Effects of RF Radiation", ET Docket No. 93-62 in August 1996 [1]. The order requires routine
SAR evaluation prior to equipment authorization of portable transmitter devices, including portable
telephones. For consumer products, the applicable limit is 1.6 W/kg for an uncontrolled environment and 8.0
mW/g for an occupational/controlled environment as recommended by the FCC 47 CFR §2.1093 and IEEE Std
1528-2013.
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Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Report No: T170919D06-SF
Dosimetric Assessment System
These measurements were performed with the automated near-field scanning system DASY4 from Schmid &
Partner Engineering AG (SPEAG). The system is based on a high precision robot (working range greater than
0.9 m) which positions the probes with a positional repeatability of better than ± 0.02 mm. Special E- and Hfield probes have been developed for measurements close to material discontinuity, the sensors of which are
directly loaded with a Schottky diode and connected via highly resistive lines to the data acquisition unit. The
SAR measurements were conducted with the dosimetric probe EX3DV4-SN: 3554 (manufactured by SPEAG),
designed in the classical triangular configuration and optimized for dosimetric evaluation. The probe has been
calibrated according to the procedure with accuracy of better than ±10%. The spherical isotropy was
evaluated with the procedure and found to be better than ±0.25 dB. The phantom used was the SAM Twin
Phantom as described in FCC supplement C, IEEE 1528 2013.
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Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
4.1
Report No: T170919D06-SF
Measurement System Diagram
The DASY4 system for performing compliance tests consists of the following items:
•
A standard high precision 6-axis robot (St¨aubli RX family) with controller, teach pendant and software. An
arm extension for accommodating the data acquisition electronics (DAE).
•
A dosimetric probe, i.e., an isotropic E-field probe optimized and calibrated for usage in tissue simulating
liquid. The probe is equipped with an optical surface detector system.
•
A data acquisition electronics (DAE) which performs the signal amplification, signal multiplexing, ADconversion, offset measurements, mechanical surface detection, collision detection, etc. The unit is battery
powered with standard or rechargeable batteries. The signal is optically transmitted to the EOC.
•
The Electro-optical converter (EOC) performs the conversion between optical and electrical of the signals
for the digital communication to the DAE and for the analog signal from the optical surface detection. The
EOC is connected to the measurement server.
•
The function of the measurement server is to perform the time critical tasks such as signal filtering, control
of the robot operation and fast movement interrupts.
•
A probe alignment unit which improves the (absolute) accuracy of the probe positioning.
•
A computer operating Windows XP.
•
DASY4 software version: 4.7.Build 80.
•
Remote control with teach pendant and additional circuitry for robot safety such as warning lamps, etc.
•
The SAM twin phantom enabling testing left-hand and right-hand usage.
•
The device holder for handheld mobile phones.
•
Tissue simulating liquid mixed according to the given recipes.
•
Validation dipole kits allowing validating the proper functioning of the system.
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Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
4.2
Report No: T170919D06-SF
System Components
DASY4Measurement Server
The DASY4measurement server is based on a PC/104 CPU board with a
166MHz low-power Pentium, 32MB chip disk and 64MB RAM. The
necessary circuits for communication with either the DAE3 electronic
box as well as the 16-bit AD-converter system for optical detection and
digital I/O interface are contained on the DASY4I/O-board, which is
directly connected to the PC/104 bus of the CPU board.
The measurement server performs all real-time data evaluation for field
measurements and surface detection, controls robot movements and
handles safety operation.
The PC-operating system cannot interfere with these time critical
processes. All connections are supervised by a watchdog, and
disconnection of any of the cables to the measurement server will
automatically disarm the robot and disable all program-controlled robot
movements. Furthermore, the measurement server is equipped with
two expansion slots which are reserved for future applications. Please
note that the expansion slots do not have a standardized pinout and
therefore only the expansion cards provided by SPEAG can be inserted.
Expansion cards from any other supplier could seriously damage the
measurement server. Calibration: No calibration required.
Data Acquisition Electronics (DAE)
The data acquisition electronics (DAE4) consists of a highly sensitive
electrometer grade preamplifier with auto-zeroing, a channel and gainswitching multiplexer, a fast 16 bit AD converter and a command
decoder and control logic unit. Transmission to the measurement server
is accomplished through an optical downlink for data and status
information as well as an optical uplink for commands and the clock.
The mechanical probe mounting device includes two different sensor
systems for frontal and sideways probe contacts. They are used for
mechanical surface detection and probe collision detection. The input
impedance of the DAE4 box is 200MOhm; the inputs are symmetrical
and floating. Common mode rejection is above 80 dB.
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Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Report No: T170919D06-SF
EX3DV4 Isotropic E-Field Probe for Dosimetric Measurements
Construction:
Symmetrical design with triangular core
Built-in shielding against static charges
PEEK enclosure material (resistant to organic solvents, e.g.,
DGBE)
Calibration:
Basic Broad Band Calibration in air: 10-3000 MHz.
Conversion Factors (CF) for HSL 900 and HSL 1800
CF-Calibration for other liquids and frequencies upon
request.
Frequency:
10 MHz to > 6 GHz; Linearity: ± 0.2 dB (30 MHz to 3 GHz)
Directivity:
± 0.3 dB in HSL (rotation around probe axis)
± 0.5 dB in HSL (rotation normal to probe axis)
Dynamic Range: 10 µW/g to > 100 mW/g; Linearity: ± 0.2 dB
(noise: typically < 1 µW/g)
Dimensions:
Overall length: 330 mm (Tip: 20 mm)
Tip diameter: 2.5 mm (Body: 12 mm)
Distance from probe tip to dipole centers: 1 mm
Application:
High precision dosimetric measurements in any exposure
scenario (e.g., very strong gradient fields). Only probe
which enables compliance testing for frequencies up to 6
GHz with precision of better 30%.
SAM Phantom (V4.0)
Construction:
The shell corresponds to the specifications of the Specific
Anthropomorphic Mannequin (SAM) phantom defined in IEEE
1528 2013, CENELEC 50361 and IEC 62209. It enables the
dosimetric evaluation of left and right hand phone usage as
well as body mounted usage at the flat phantom region. A
cover prevents evaporation of the liquid. Reference markings
on the phantom allow the complete setup of all predefined
phantom positions and measurement grids by manually
teaching three points with the robot.
Shell Thickness:
2 ±0.2 mm
Filling Volume:
Approx. 25 liters
Dimensions:
Height: 810mm; Length: 1000mm; Width: 500mm
Construction:
Phantom for compliance testing of handheld and bodymounted wireless devices in the frequency range of 30 MHz
to 6 GHz. ELI4 is fully compatible with the latest draft of the
standard IEC 62209 Part II and all known tissue simulating
liquids. ELI4 has been optimized regarding its performance
and can be integrated into our standard phantom tables. A
cover prevents evaporation of the liquid. Reference markings
on the phantom allow installation of the complete setup,
including all predefined phantom positions and measurement
grids, by teaching three points. The phantom is supported by
software version DASY4 and higher and is compatible with all
SPEAG dosimetric probes and dipoles
Shell Thickness:
2.0 ± 0.2 mm (sagging: <1%)
Filling Volume:
Approx. 25 liters
Dimensions:
Minor axis:
Major ellipse axis: 600 mm
400 mm 500mm
SAM Phantom (ELI4)
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Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Report No: T170919D06-SF
Device Holder for SAM Twin Phantom
Construction:
In combination with the Twin SAM Phantom V4.0 or Twin
SAM, the Mounting Device (made from POM) enables the
rotation of the mounted transmitter in spherical
coordinates, whereby the rotation point is the ear opening.
The devices can be easily and accurately positioned
according to IEC, IEEE, CENELEC, FCC or other specifications.
The device holder can be locked at different phantom
locations (left head, right head, and flat phantom).
System Validation Kits for SAM Phantom (V4.0)
Construction:
Symmetrical dipole with l/4 balun Enables measurement
of feedpoint impedance with NWA Matched for use near
flat phantoms filled with brain simulating solutions
Includes distance holder and tripod adaptor.
Frequency:
2450, 5300, 5600, 5800 MHz
Return loss:
> 20 dB at specified validation position
Power capability:
Dimensions:
> 100 W (f < 1GHz); > 40 W (f > 1GHz)
D2450V2: dipole length: 51.5 mm; overall height: 290 mm
D5GHzV2: dipole length: 20.6 mm; overall height: 300 mm
System Validation Kits for ELI4 phantom
Construction:
Symmetrical dipole with l/4 balun Enables measurement of
feedpoint impedance with NWA Matched for use near flat
phantoms filled with brain simulating solutions Includes
distance holder and tripod adaptor.
Frequency:
2450, 5300, 5600, 5800 MHz
Return loss:
> 20 dB at specified validation position
Power capability:
Dimensions:
> 100 W (f < 1GHz); > 40 W (f > 1GHz)
D2450V2: dipole length: 51.5 mm; overall height: 290 mm
D5GHzV2: dipole length: 20.6 mm; overall height: 300 mm
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Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Report No: T170919D06-SF
Evaluation Procedures
Data Evaluation
The DASY4 post processing software (SEMCAD) automatically executes the following procedures to calculate the
field units from the microvolt readings at the probe connector. The parameters used in the evaluation are stored in
the configuration modules of the software:
Probe parameters:
- Sensitivity
Normi, ai0, ai1, ai2
- Conversion factor
ConvFi
- Diode compression point
dcpi
Device parameters:
- Frequency
- Crest factor
cf
Media parameters:
- Conductivity

- Density

These parameters must be set correctly in the software. They can be found in the component documents or be
imported into the software from the configuration files issued for the DASY components. In the direct measuring
mode of the multi-meter option, the parameters of the actual system setup are used. In the scan visualization and
export modes, the parameters stored in the corresponding document files are used.
The first step of the evaluation is a linearization of the filtered input signal to account for the compression
characteristics of the detector diode. The compensation depends on the input signal, the diode type and the DCtransmission factor from the diode to the evaluation electronics. If the exciting field is pulsed, the crest factor of
the signal must be known to correctly compensate for peak power. The formula for each channel can be given as:
V U U

with
cf
dcp i
Vi
Ui
cf
dcpi
= Compensated signal of channel i
= Input signal of channel i
= Crest factor of exciting field
= Diode compression point
(i = x, y, z)
(i = x, y, z)
(DASY parameter)
(DASY parameter)
From the compensated input signals the primary field data for each channel can be evaluated:
E-field probes:

Norm • ConvF
H-field probes:
with
Vi

a a f a f
Vi 
i10
i11
i12
= Compensated signal of channel i
Normi = Sensor sensitivity of channel i
(i = x, y, z)
(i = x, y, z)
V/(V/m) for E0field Probes
ConvF = Sensitivity enhancement in solution
aij
= Sensor sensitivity factors for H-field probes
= Carrier frequency (GHz)
Ei
= Electric field strength of channel i in V/m
Hi
= Magnetic field strength of channel i in A/m
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Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Report No: T170919D06-SF
The RSS value of the field components gives the total field strength (Hermitian magnitude):
tot

E E E
The primary field data are used to calculate the derived field units.
SAR  E
tot



1000
with
SAR
= local specific absorption rate in W/kg
Etot
= total field strength in V/m

= conductivity in [mho/m] or [Siemens/m]

= equivalent tissue density in g/cm3
Note that the density is normally set to 1 (or 1.06), to account for actual brain density rather than the density of the
simulation liquid.
The power flow density is calculated assuming the excitation field as a free space field.

pwe
with
377
tot
or
 H tot  37.7
pwe
Ppwe
= Equivalent power density of a plane wave in mW/cm2
Etot
Htot
= total electric field strength in V/m
= total magnetic field strength in A/m
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Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Report No: T170919D06-SF
SAR Measurement Procedures
6.1
Normal SAR Test Procedure
•
Power Reference Measurement
The reference and drift jobs are useful jobs for monitoring the power drift of the device under test in the batch
process. Both jobs measure the field at a specified reference position, at a selectable distance from the phantom
surface. The reference position can be either the selected section’s grid reference point or a user point in this
section. The reference job projects the selected point onto the phantom surface, orients the probe
perpendicularly to the surface, and approaches the surface using the selected detection method.
•
Area Scan
The area scan is used as a fast scan in two dimensions to find the area of high field values, before doing a finer
measurement around the hot spot. The sophisticated interpolation routines implemented in DASY4 software can
find the maximum locations even in relatively coarse grids. The scan area is defined by an editable grid. This grid
is anchored at the grid reference point of the selected section in the phantom. When the area scan’s property
sheet is brought-up, the grid resolution has to less than 15 mm by 15 mm at frequency ≤2GHz; the grid resolution
has to less than 12mm by 12 mm at frequency between 2GHz to 4GHz; grid resolution has to less than 10 mm by
10 mm at frequency between 4GHz to 6GHz.
According to KDB 865664 D01 SAR measurement 100 MHz to 6 GHz v01r04
≤ 3 GHz
Maximum distance from closest measurement point
5 ± 1 mm
(geometric center of probe sensors) to phantom surface
Maximum probe abgle from probe axis to phantom
30° ± 1°
surface normal at the measurement location
≤ 2 GHz: ≤ 15 mm
2 – 3 GHz: ≤ 12 mm
> 3 GHz
½·δ·ln(2) ± 0.5 mm
20° ± 1°
3 – 4 GHz: ≤ 12 mm
4 – 6 GHz: ≤ 10 mm
Maximum area scan spatial resolution: ΔxZoom, ΔyZoom
When the x or y dimension of the test device, in the
measurement plane orientation, is smaller than the
above, the measurement resolution must be ≤ the
corresponding x or y dimension of the test device with at
least one measurement point on the test device.
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FCC ID: M82-AIM37AC
•
Report No: T170919D06-SF
Zoom Scan
Zoom scans are used to assess the peak spatial SAR values within a cubic averaging volume containing 1 g and 10 g
of simulated tissue. The default zoom scan measures points in accordance with the frequency can be divided into
three parts. (1)The zoom scan volume was set to 5x5x7 points at frequency ≤ 2GHz. (2) The zoom scan volume was
set to 7x7x7 points at frequency between 2GHz to 4GHz (3) The zoom scan volume was set to 7x7x12 points at
frequency between 4GHz to 6GHz. The measures points within a cube whose base faces are centered around the
maximum found in a preceding area scan job within the same procedure. If the preceding Area Scan job indicates
more then one maximum, the number of Zoom Scans has to be enlarged accordingly.
According to KDB 865664 D01 SAR measurement 100 MHz to 6 GHz v01r04
≤ 3 GHz
Maximum zoom scan spatial resolution: ΔxZoom, ΔyZoom
≤ 2 GHz: ≤ 8 mm
2 – 3 GHz: ≤ 5 mm
Uniform grid: ΔzZoom(n)
ΔzZoom(1):between
1st two points losest
to phantom surface
Maximum zoom scan
spatial resolution, normal
to phantom surface
> 3 GHz
3 – 4 GHz: ≤ 5 mm
4 – 6 GHz: ≤ 4 mm
≤ 5 mm
3 – 4 GHz: ≤ 4 mm
4 – 5 GHz: ≤ 3 mm
5 – 6 GHz: ≤ 2 mm
≤ 4 mm
3 – 4 GHz: ≤ 3 mm
4 – 5 GHz: ≤ 2.5 mm
5 – 6 GHz: ≤ 2 mm
graded
grid
ΔzZoom(n>1):
between
subsequent points
Maximum zoom scan
volume
•
x, y, z
≥ 30 mm
≤ 1.5·ΔzZoom(n-1)
3 – 4 GHz: ≥ 28 mm
4 – 5 GHz: ≥ 25 mm
5 – 6 GHz: ≥ 22 mm
Power Drift Measurement
The drift job measures the field at the same location as the most recent reference job within the same procedure,
and with the same settings. The drift measurement gives the field difference in dB from the reading conducted
within the last reference measurement. Several drift measurements are possible for one reference measurement.
This allows a user to monitor the power drift of the device under test within a batch process. In the properties of
the Drift job, the user can specify a limit for the drift and haveDASY4 software stop the measurements if this limit
is exceeded.
•
Z-Scan
The Z Scan job measures points along a vertical straight line. The line runs along the Z-axis of a one-dimensional
grid. A user can anchor the grid to the current probe location. As with any other grids, the local Z-axis of the
anchor location establishes the Z-axis of the grid.
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Measurement Uncertainty
According to KDB 865664 D01 SAR Measurement 100 MHz to 6 GHz section 2.8.2, SAR measurement uncertainty
analysis is required in SAR reports only when the highest measured SAR in a frequency band is ≥ 1.5 W/kg for 1-g SAR,
the extensive SAR measurement uncertainty analysis described in IEEE Std 1528-2013 is not required in SAR reports
submitted for equipment approval.
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Device Under Test
8.1
Wireless Technologies
Wireless
technologies
Tx Frequency Bands
Operating mode
Duty Cycle used for testing
2.4GHz Band
802.11b
802.11g
802.11n(HT20)
100%
5GHz Band
802.11a
802.11n(HT20)
802.11n(HT40)
802.11ac(VHT80)
100%
Bluetooth
2.1
4.1 LE
N/A
Wi-Fi
Bluetooth
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8.2
Report No: T170919D06-SF
Maximum Tune-up Power
Tolerance (dB): ± 1.5
Band (GHz)
2.4
RF Output Power (dBm)
Mode
802.11b
Target
12.5
Max. tune-up power
14.0
802.11g
12.0
13.5
802.11n HT20
Tolerance (dB): ± 1.5
Band (GHz)
5.2
(UNII-1)
5.3
(UNII-2A)
5.5
(UNII-2C)
5.8
(UNII-3)
11.5
13.0
RF Output Power (dBm)
Mode
Target
Max. tune-up power
802.11a
9.0
10.5
802.11n HT20
8.5
10.0
802.11n HT40
8.5
10.0
802.11ac VHT80
8.5
10.0
802.11a
9.0
10.5
802.11n HT20
8.5
10.0
802.11n HT40
8.5
10.0
802.11ac VHT80
8.5
10.0
802.11a
9.0
10.5
802.11n HT20
8.5
10.0
802.11n HT40
8.5
10.0
802.11ac VHT80
8.5
10.0
802.11a
9.0
10.5
802.11n HT20
8.5
10.0
802.11n HT40
8.5
10.0
802.11ac VHT80
Tolerance (dB): ± 2
Mode
Bluetooth
Bluetooth LE
8.5
10.0
RF Output Power (dBm)
Max. tune-up power
1.5
4.0
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8.3
Report No: T170919D06-SF
Simultaneous Transmission
Simultaneous Tx Combination
RF Configurations
WLAN 2.4GHz(Main)
WLAN 5GHz (Main)
WLAN BT(Main)
WLAN 2.4GHz(Main)+ BT(Main)
WLAN 5GHz(Main)+ BT(Main)
Note(s):
1.
WLAN and Bluetooth technology can transmit at same time.
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Summary of SAR Test Exclusion Configurations
9.1
Standalone SAR Test Exclusion Calculations
Since the Dedicated Host Approach is applied, the standalone SAR test exclusion procedure in KDB 447498
section4.3.1 is applied in conjunction with KDB 616217 section 4.3 to determine the minimum test separation distance:
1. According to KDB 447498 Section 4.1 5) if the antenna is at close proximity to user then the outer surface of the
DUT should be treated as the radiating surface. The test separation distance is then determined by the smallest
distance between the outer surface of the device and the user. For the purposes of this report close proximity has
been defined as closer than 50 mm. For antennas <50 mm from the rear or edge the separation distance used for
the estimated SAR calculations is 0 mm.
2. When the minimum test separation distance is < 5mm, a distance of 5mm is applied to determine SAR test
exclusion.
3. When the separation distance from the antenna to an adjacent edge is > 5 mm, the actual antenna-to-edge
separation distance is applied to determine SAR test exclusion.
4. If the antenna to DUT adjacent edge or bottom separation distance >50mm the actual antenna to user separation
distance is used to determine SAR exclusion and estimated SAR value.
Refer to Appendix for the specific details on the antenna-to-antenna and antenna-to-edge distances used for test
exclusion calculations.
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9.1.1 SAR Exclusion Calculation For Wi-Fi Antenna < 50mm from the User
According to KDB 447498 v06 in section 4.3.1, if the calculated threshold value is > 3 then SAR testing is required.
Antenna
WI-Fi Main
Band
Frequency
(MHz)
Output Power
Separation Distances(mm)
Calculated Threshold Value
dBm
mW
Rear
Edge1
Edge2
Edge3
Edge4
Rear
Edge1
Edge2
Edge3
Edge4
2.4GHz
2437
14.0
25
7.9
5.1
156.0
158.3
102.3
4.9
7.7
>50mm
>50mm
>50mm
5.3GHz
5280
10.5
11
7.9
5.1
156.0
158.3
102.3
3.2
5.0
>50mm
>50mm
>50mm
5.5GHz
5580
10.5
11
7.9
5.1
156.0
158.3
102.3
3.3
5.1
>50mm
>50mm
>50mm
5.8GHz
5745
10.5
11
7.9
5.1
156.0
158.3
102.3
3.3
5.2
>50mm
>50mm
>50mm
Bluetooth
2441
4.0
7.9
5.1
156.0
158.3
102.3
0.6
0.9
>50mm
>50mm
>50mm
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9.1.2 SAR Exclusion Calculations for Wi-Fi Antenna > 50mm from the User
According to KDB 447498 v06, if the calculated Power threshold is less than the output power then SAR testing is
required.
Antenna
WI-Fi Main
Band
Frequency
(MHz)
Output Power
Separation Distances(mm)
Calculated Threshold Value
dBm
mW
Rear
Edge1
Edge2
Edge3
Edge4
Rear
Edge1
Edge2
Edge3
Edge4
2.4GHz
2437
14.0
25
7.9
5.1
156.0
158.3
102.3
<50mm
<50mm
1156.1
2350.7
1471.7
5.3GHz
5280
10.5
11
7.9
5.1
156.0
158.3
102.3
<50mm
<50mm
1125.3
2546.9
1953.2
5.5GHz
5580
10.5
11
7.9
5.1
156.0
158.3
102.3
<50mm
<50mm
1123.5
2546.9
1953.2
5.8GHz
5745
10.5
11
7.9
5.1
156.0
158.3
102.3
<50mm
<50mm
1122.6
2546.9
1953.2
Bluetooth
2441
4.0
7.9
5.1
156.0
158.3
102.3
<50mm
<50mm
1156.0
3454.7
3261.6
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9.1.3 SAR Required Test Configuration
For Wi-Fi and Bluetooth
Test Configurations
Rear
Edge1
Edge2
Edge3
Edge4
Wi-Fi Main 2.4GHz
YES
YES
No
No
No
Wi-Fi Main 5.2GHz
YES
YES
No
No
No
Wi-Fi Main 5.3GHz
YES
YES
No
No
No
Wi-Fi Main 5.5GHz
YES
YES
No
No
No
Wi-Fi Main 5.8GHz
YES
YES
No
No
No
Note(s):
1.
Yes = SAR is required.
2.
No = SAR is not required.
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10 Exposure Limit
(A). Limits for Occupational/Controlled Exposure (W/kg)
Whole-Body
Partial-Body
Hands, Wrists, Feet and Ankles
0.4
8.0
2.0
(B). Limits for General Population/Uncontrolled Exposure (W/kg)
Whole-Body
Partial-Body
Hands, Wrists, Feet and Ankles
0.08
1.6
4.0
NOTE:
Whole-Body SAR is averaged over the entire body, partial-body SAR is averaged over any 1
gram of tissue defined as a tissue volume in the shape of a cube. SAR for hands, wrists, feet
and ankles is averaged over any 10 grams of tissue defined as a tissue volume in the shape of
a cube.
Population/Uncontrolled Environments:
are defined as locations where there is the exposure of individuals who have no knowledge or control
of their exposure.
Occupational/Controlled Environments:
are defined as locations where there is exposure that may be incurred by people who are aware of the
potential for exposure, (i.e. as a result of employment or occupation).
NOTE
GENERAL POPULATION/UNCONTROLLED EXPOSURE
PARTIAL BODY LIMIT
1.6 W/kg
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11 Tissue Dielectric Properties
11.1 Test Liquid Confirmation
Simulating Liquids Parameter Check
The simulating liquids should be checked at the beginning of a series of SAR measurements to determine of the
dielectric parameters are within the tolerances of the specified target values
The relative permittivity and conductivity of the tissue material should be within  5% of the values given in the
table below 5% may not be easily achieved at certain frequencies.
The head tissue dielectric parameters recommended by the IEEE SCC-34/SC-2 in IEEE 1528 2013 have been
incorporated in the following table. These head parameters are derived from planar layer models simulating the
highest expected SAR for the dielectric properties and tissue thickness variations in a human head. Other head
and body tissue parameters that have not been specified in IEEE 1528 2013 are derived from the tissue dielectric
parameters computed from the 4-Cole-Cole equations and extrapolated according to the head parameters
specified in IEEE 1528 2013
Head
Body
Target Frequency
(MHz)
er
 (S/m)
er
 (S/m)
150
52.3
0.76
61.9
0.80
300
45.3
0.87
58.2
0.92
450
43.5
0.87
56.7
0.94
835
41.5
0.90
55.2
0.97
900
41.5
0.97
55.0
1.05
915
41.5
0.98
55.0
1.06
1450
40.5
1.20
54.0
1.30
1610
40.3
1.29
53.8
1.40
1800 – 2000
40.0
1.40
53.3
1.52
2450
39.2
1.80
52.7
1.95
3000
38.5
2.40
52.0
2.73
5000
36.2
4.45
49.3
5.07
5100
36.1
4.55
49.1
5.18
5200
36.0
4.66
49.0
5.30
5300
35.9
4.76
48.9
5.42
5400
35.8
4.86
48.7
5.53
5500
35.6
4.96
48.6
5.65
5600
35.5
5.07
48.5
5.77
5700
35.4
5.17
48.3
5.88
5800
35.3
5.27
48.2
6.00
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11.2 Typical Composition of Ingredients for Liquid Tissue Phantoms
The following tissue formulations are provided for reference only as some of the parameters have not been
thoroughly verified. The composition of ingredients may be modified accordingly to achieve the desired target
tissue parameters required for routine SAR evaluation.
Ingredients
(% by weight)
Tissue Type
Water
Salt (NaCl)
Sugar
HEC
Bactericide
Triton X-100
DGBE
Dielectric Constant
Conductivity (S/m)
450
Head
38.56
3.95
56.32
0.98
0.19
0.0
0.0
43.42
0.85
835
Body
51.16
1.49
46.78
0.52
0.05
0.0
0.0
58.0
0.83
Head
41.45
1.45
56.0
1.0
0.1
0.0
0.0
42.54
0.91
Body
52.4
1.4
45.0
1.0
0.1
0.0
0.0
56.1
0.95
Frequency (MHz)
915
Head
Body
41.05
56.0
1.35
0.76
56.5
41.76
1.0
1.21
0.1
0.27
0.0
0.0
0.0
0.0
42.0
56.8
1.0
1.07
1900
Head
Body
54.9
40.4
0.18
0.5
0.0
58.0
0.0
1.0
0.0
0.1
0.0
0.0
44.92
0.0
39.9
54.0
1.42
1.45
2450
Head
Body
62.7
73.2
0.5
0.04
0.0
0.0
0.0
0.0
0.0
0.0
36.8
0.0
0.0
26.7
39.8
52.5
1.88
1.78
alt: 99+% Pure Sodium Chloride
Sugar: 98+% Pure Sucrose
Water: De-ionized, 16 M resistivity
HEC: Hydroxy thyl Cellulose
DGBE: 99+% Di(ethylene glycol) butyl ether, [2-(2-butoxyethoxy)ethanol]
Triton X-100 (ultra-pure): Polyethylene glycol mono [4-(1, 1, 3, 3-tetramethylbutyl)phenyl]ether
Simulating Liquids for 5 GHz, Manufactured by SPEAG
Ingredients
Water
Mineral oil
Emulsifiers
Additives and Salt
(% by weight)
78
11
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11.3 Simulating Liquids Parameter Check Results
Date
2018/1/17
2018/1/22
Band
Body 2450
Body 5000
Measured
Freq(MHz)
Standard
Δ
Limit(%)
e' (εr)
e''
σ
e' (εr)
σ
e' (εr)
σ
±5
2412
51.02
14.93
2.00
52.75
1.91
-3.28%
4.55%
±5
2437
50.95
15.01
2.03
52.72
1.94
-3.35%
4.90%
±5
2442
50.94
15.02
2.04
52.71
1.94
-3.36%
4.94%
±5
2462
50.87
15.09
2.06
52.68
1.97
-3.45%
4.91%
±5
2472
50.82
15.12
2.08
52.67
1.98
-3.51%
4.80%
±5
5180
48.40
17.89
5.15
49.02
5.28
-1.27%
-2.41%
±5
5200
48.32
17.95
5.18
49.00
5.30
-1.40%
-2.19%
±5
5220
48.29
17.98
5.21
48.98
5.32
-1.41%
-2.07%
±5
5240
48.30
17.97
5.23
48.96
5.35
-1.35%
-2.18%
±5
5260
48.31
17.97
5.25
48.94
5.37
-1.29%
-2.26%
±5
5280
48.25
17.99
5.28
48.92
5.40
-1.36%
-2.22%
±5
5300
48.16
18.02
5.31
48.90
5.42
-1.51%
-2.08%
±5
5320
48.09
18.09
5.35
48.86
5.44
-1.58%
-1.77%
±5
5500
47.89
18.24
5.57
48.60
5.65
-1.45%
-1.34%
±5
5520
47.80
18.29
5.61
48.58
5.67
-1.61%
-1.17%
±5
5540
47.72
18.34
5.64
48.56
5.70
-1.74%
-0.93%
±5
5560
47.70
18.34
5.66
48.54
5.72
-1.73%
-1.00%
±5
5580
47.73
18.34
5.68
48.52
5.75
-1.64%
-1.07%
±5
5600
47.73
18.35
5.71
48.50
5.77
-1.58%
-1.05%
±5
5620
47.69
18.38
5.74
48.46
5.79
-1.60%
-0.90%
±5
5640
47.59
18.44
5.78
48.42
5.81
-1.71%
-0.63%
±5
5660
47.54
18.45
5.80
48.38
5.84
-1.75%
-0.59%
±5
5680
47.51
18.44
5.82
48.34
5.86
-1.72%
-0.68%
±5
5700
47.51
18.45
5.84
48.30
5.88
-1.63%
-0.66%
±5
5745
47.42
18.56
5.92
48.26
5.93
-1.73%
-0.19%
±5
5765
47.39
18.59
5.95
48.24
5.96
-1.76%
-0.08%
±5
5785
47.35
18.56
5.96
48.22
5.98
-1.79%
-0.29%
±5
5805
47.33
18.55
5.98
48.19
6.01
-1.78%
-0.41%
±5
5825
47.30
18.57
6.01
48.15
6.03
-1.76%
-0.37%
±5
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Report No: T170919D06-SF
12 System Performance Check
The system performance check is performed prior to any usage of the system in order to guarantee reproducible
results. The system performance check verifies that the system operates within its specifications. The system
performance check results are tabulated below. And also the corresponding SAR plot is attached as well in the
SAR plots files.
System Performance Check Measurement Conditions
•
The measurements were performed in the flat section of the SAM twin phantom filled with Body simulating
liquid of the following parameters.
•
The depth of tissue-equivalent liquid in a phantom must be ≥ 15.0 cm
•
The DASY4 system with an E-field probe EX3DV4 SN: 3554 was used for the measurements.
•
The dipole was mounted on the small tripod so that the dipole feed point was positioned below the center
marking of the flat phantom section and the dipole was oriented parallel to the body axis (the long side of the
phantom). The standard measuring distance was 15 mm (below 1 GHz) and 10 mm (above 1 GHz) from dipole
center to the simulating liquid surface.
•
The coarse grid with a grid spacing of 10mm was aligned with the dipole.
•
Special 7x7x7 fine cube was chosen for cube integration (dx=dy= 5 mm, dz= 5 mm).
•
Distance between probe sensors and phantom surface was set to 3.0 mm.
•
The dipole input power (forward power) was 100 mW3%.
•
The results are normalized to 1 W input power.
Reference SAR Values for System Performance Check
The reference SAR values can be obtained from the calibration certificate of system validation dipoles
System
Dipole
Serial No.
Cal. Date
Freq. (MHz)
D2450V2
728
2017/05/23
2450
D5GHzV2
1004
2017/11/17
5300
D5GHzV2
1004
2017/11/17
5600
D5GHzV2
1004
2017/11/17
5800
Page 30
Target SAR Values (W/kg)
1g/10g
1g
Head
52.5
Body
49.8
10g
24.5
23.4
1g
80.3
79.7
10g
23.2
22.3
1g
82.2
81.9
10g
23.6
22.7
1g
77.1
77.9
10g
22.0
21.4
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Report No: T170919D06-SF
12.1 System Performance Check Results
Date
System Dipole
Type
Serial No.
Liquid
2018/1/17
D2450V2
728
Body
2018/1/22
D5GHzV2
(5.3GHz)
1004
Body
2018/1/22
D5GHzV2
(5.6GHz)
1004
Body
2018/1/22
D5GHzV2
(5.8GHz)
1004
Body
Parameters
Target[W/kg]
1g SAR:
49.8
23.4
79.7
22.3
81.9
22.7
77.9
21.4
10g SAR:
1g SAR:
10g SAR:
1g SAR:
10g SAR:
1g SAR:
10g SAR:
Page 31
Measured [W/kg] Deviation[%] Limited[%]
51.1
24.1
79.8
22.3
78.3
21.8
74.4
20.8
2.61
±5
2.99
±5
0.13
±5
0.00
±5
-4.40
±5
-3.96
±5
-4.49
±5
-2.80
±5
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Report No: T170919D06-SF
13 RF Output Power Measurement
According to KDB248227 D01 802.11 Wi-Fi SAR v02r02 section 4, the default power measurement
procedures are:
1) Power must be measured at each transmit antenna port according to the DSSS and OFDM transmission
configurations in each standalone and aggregated frequency band.
2) Power measurement is required for the transmission mode configuration with the highest maximum
output power specified for production units.
a) When the same highest maximum output power specification applies to multiple transmission
modes, the largest channel bandwidth configuration with the lowest order modulation and lowest data
rate is measured.
b) When the same highest maximum output power is specified for multiple largest channel
bandwidth configurations with the same lowest order modulation or lowest order modulation and lowest
data rate, power measurement is required for all equivalent 802.11 configurations with the same maximum
output power.
3) For each transmission mode configuration, power must be measured for the highest and lowest channels;
and at the mid-band channel(s) when there are at least 3 channels. For configurations with multiple midband channels, due to an even number of channels, both channels should be measured.
Page 32
Rev. 00
Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Report No: T170919D06-SF
13.1 Wi-Fi (2.4GHz Band)
Band
(GHz)
2.4
Mode
Data rate
(Mbps)
802.11b
802.11g
802.11n
HT20
MCS0
Ch #
Freq.
(MHz)
Avg. Pwr
(dBm)
11
11
11
2412
2437
2462
2412
2437
2462
2412
2437
2462
13.4
13.6
13.4
Not Required
Not Required
Maximum
Tune-up
Pwr
(dBm)
14.0
14.0
14.0
13.5
13.5
13.5
13.0
13.0
13.0
SAR Test
(Yes/No)
Note
Yes
No
No
Note(s):
1.
Output Power and SAR is not required for 802.11g/n HT20/n HT40 channels when the highest reported SAR for DSSS is
adjusted by the ratio of OFDM to DSSS specified maximum output power and the adjusted SAR is ≤ 1.2 W/kg.
Page 33
Rev. 00
Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Report No: T170919D06-SF
13.2 Wi-Fi (5GHz Band)
Band
(GHz)
5.2
(U-NII 1)
Mode
Data rate
(Mbps)
Ch #
Freq.
(MHz)
802.11a
36-48
5180-5240
MCS0
36-48
5180-5240
802.11n
(HT20)
802.11n
(HT40)
802.11ac
(VHT80)
Avg. Pwr
(dBm)
Maximum
Tune-up
Pwr
(dBm)
SAR Test
(Yes/No)
Note
10.5
No
10.0
No
Not Required
MCS0
38-46
5190-5230
10.0
No
VHT0
42
5210
10.0
No
52
5260
9.7
10.5
Yes
56
5280
10.0
10.5
Yes
60
5300
9.6
10.5
Yes
64
5320
9.7
10.5
Yes
MCS0
52-64
5260-5320
10.0
No
MCS0
54-62
5270-5310
10.0
No
VHT0
58
5290
10.0
No
100
5500
9.7
10.5
Yes
104
5520
9.6
10.5
Yes
108
5540
9.6
10.5
Yes
112
5560
9.6
10.5
Yes
116
5580
9.8
10.5
Yes
120
5600
9.5
10.5
Yes
124
5620
9.5
10.5
Yes
128
5640
9.5
10.5
Yes
132
5660
9.5
10.5
Yes
136
5680
9.5
10.5
Yes
140
5700
9.6
10.5
Yes
MCS0
100-140
5500-5700
10.0
No
MCS0
102-134
5510-5670
10.0
No
VHT0
106-138
5530-5690
10.0
No
802.11a
5.3
(U-NII 2A)
802.11n
(HT20)
802.11n
(HT40)
802.11ac
(VHT80)
802.11a
5.5
(U-Nll-2C)
802.11n
(HT20)
802.11n
(HT40)
802.11ac
(VHT80)
Not Required
Not Required
Note(s):
1. When the specified maximum output power is the same for both UNII band I and UNII band 2A, begin SAR
measurement in UNII band 2A; and if the highest reported SAR for UNII band 2A is
1.1 ≤ 1.2 W/kg, SAR is not required for UNII band I.
1.2 > 1.2 W/kg, both bands should be tested independently for SAR.
2. Output Power and SAR measurement is not required for 802.11n HT20/n HT40/802.11ac channels when the specified
maximum tune-up powers are less or same with 802.11a .
Page 34
Rev. 00
Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Band
(GHz)
Mode
802.11a
5.8
(U-NII-3)
802.11n
(HT20)
802.11n
(HT40)
802.11ac
VHT80
Report No: T170919D06-SF
Ch #
Freq.
(MHz)
Avg. Pwr
(dBm)
Maximum
Tune-up
Pwr
(dBm)
SAR Test
(Yes/No)
149
5745
9.6
10.5
Yes
153
5765
9.2
10.5
Yes
157
5785
9.4
10.5
Yes
161
5805
9.2
10.5
Yes
165
5825
9.2
10.5
Yes
MCS0
149-165
5745-5825
10.0
No
MCS0
151-159
5755-5795
10.0
No
VHT0
155
5775
10.0
No
Data rate
(Mbps)
Not Required
Note
Note(s):
1.
Output Power and SAR measurement is not required for 802.11n HT20/n HT40/802.11ac channels when the specified
maximum tune-up powers are less or same with 802.11a.
Page 35
Rev. 00
Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Report No: T170919D06-SF
13.3 Bluetooth
Per exclusion calculations in Section 9, SAR testing for Bluetooth is not required.
Page 36
Rev. 00
Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Report No: T170919D06-SF
14 SAR Measurements Results
According to KDB248227D01 802.11 Wi-Fi SAR v02r02, the SAR test reduction procedures are:
SAR test reduction for 802.11 Wi-Fi transmission mode configurations are considered separately for
DSSS and OFDM. An initial test position is determined to reduce the number of tests required for certain
exposure configurations with multiple test positions. An initial test configuration is determined for each
frequency band and aggregated band according to maximum output power, channel bandwidth, wireless
mode configurations and other operating parameters to streamline the measurement requirements. For 2.4
GHz DSSS, either the initial test position or DSSS procedure is applied to reduce the number of SAR tests;
these are mutually exclusive. For OFDM, an initial test position is only applicable to next to the ear, UMPC
mini-tablet and hotspot mode configurations, which is tested using the initial test configuration to facilitate
test reduction. For other exposure conditions with a fixed test position, SAR test reduction is determined
using only the initial test configuration.
The multiple test positions require SAR measurements in head, hotspot mode or UMPC mini-tablet
configurations may be reduced according to the highest reported SAR determined using the initial test
position(s) by applying the DSSS or OFDM SAR measurement procedures in the required wireless mode test
configuration(s). The initial test position(s) is measured using the highest measured maximum output power
channel in the required wireless mode test configuration(s). When the reported SAR for the initial test
position is:
➢ ≤ 0.4 W/kg, further SAR measurement is not required for the other test positions in that exposure
configuration and wireless mode combination within the frequency band or aggregated band. DSSS
and OFDM configurations are considered separately according to the required SAR procedures.
➢ > 0.4 W/kg, SAR is repeated using the same wireless mode test configuration tested in the initial test
position to measure the subsequent next closet/smallest test separation distance and maximum
coupling test position, on the highest maximum output power channel, until the reported SAR is ≤ 0.8
W/kg or all required test positions are tested.
• For subsequent test positions with equivalent test separation distance or when exposure is
dominated by coupling conditions, the position for maximum coupling condition should be
tested.
• When it is unclear, all equivalent conditions must be tested.
➢ For all positions/configurations tested using the initial test position and subsequent test positions,
when the reported SAR is > 0.8 W/kg, measure the SAR for these positions/configurations on the
subsequent next highest measured output power channel(s) until the reported SAR is ≤ 1.2 W/kg or all
required test channels are considered.
• The additional power measurements required for this step should be limited to those necessary
for identifying subsequent highest output power channels to apply the test reduction.
➢ When the specified maximum output power is the same for both UNII 1 and UNII 2A, begin SAR
measurements in UNII 2A with the channel with the highest measured output power. If the reported
SAR for UNII 2A is ≤ 1.2 W/kg, SAR is not required for UNII 1; otherwise treat the remaining bands
separately and test them independently for SAR.
➢ When the specified maximum output power is different between UNII 1 and UNII 2A, begin SAR with
the band that has the higher specified maximum output. If the highest reported SAR for the band with
the highest specified power is ≤ 1.2 W/kg, testing for the band with the lower specified output power
is not required; otherwise test the remaining bands independently for SAR.
To determine the initial test position, Area Scans were performed to determine the position with the
Maximum Value of SAR (measured). The position that produced the highest Maximum Value of SAR is
considered the worst case position; thus used as the initial test position
Page 37
Rev. 00
Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Report No: T170919D06-SF
Wi-Fi (2.4GHz Band):
Mode
802.11b
Dist.
Test
(mm) Position
Edge1
Rear
Ch#
Power (dBm)
Freq.
Ant. Tune up
(MHz)
Meas.
limit
2437
14.0
13.6
2437
14.0
13.6
Page 38
Area Scan Meas.
Peak SAR 1g SAR
(W/Kg)
(W/kg)
0.212
0.143
0.428
0.279
Reported
Note
SAR
(W/kg)
0.157
0.306
Plot
No.
Rev. 00
Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Report No: T170919D06-SF
Wi-Fi (5 GHz Band):
Power (dBm)
Mode
Band
(GHz)
5.3
(U-NII-2A)
802.11a
5.5
(U-NII-2C)
5.8
(U-NII-3)
Dist.
Test
(mm) Position
Edge1
Edge1
Edge1
Rear
Edge1
Edge1
Rear
Edge1
Rear
Ch#
Freq.
(MHz)
56
56
64
56
116
100
116
149
149
5280
5280
5320
5280
5580
5500
5580
5745
5745
Area Scan Meas. Reported
Plot
Ant. Tune up
Peak SAR 1g SAR
SAR
Note
No.
Meas.
(W/kg) (W/kg) (W/kg)
limit
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.5
10.0
10.0
9.7
10.0
9.8
9.6
9.8
9.6
9.6
2.190
1.950
1.730
0.424
1.790
2.280
0.338
1.460
0.415
1.040
0.993
0.969
0.189
0.945
0.884
0.153
0.678
0.195
1.167
1.114
1.165
0.212
1.103
1.088
0.179
0.842
0.242
Note(s):
1. Highest reported SAR is > 0.8 W/kg. Added second highest power channel for this test position
2. Repeated measurements are required only when the measured SAR is ≥0.80 W/kg. If the measured SAR values
are < 1.45 W/kg with ≤20% variation, only one repeated measurement is required to reaffirm that the results
are not expected to have substantial variations, which may introduce significant compliance concerns. (Per KDB
865664 D01 SAR measurement 100 MHz to 6 GHz v01r04)
2.1 Original SAR =1.040 W/kg, therefore second times repeat SAR is required.
2.2 Repeat SAR =0.993 W/kg < 1.45W/kg
2.3 SAR variation= 4.5% < 20%
Page 39
Rev. 00
Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Report No: T170919D06-SF
15. Simultaneous Transmission SAR Analysis
KDB 447498 D01 General RF Exposure Guidance v06, introduces a new formula for calculating the SAR to Peak
Location Ratio (SPLSR) between pairs of simultaneously transmitting antennas:
SPLSR = (SAR1 + SAR2)1.5 /Ri
Where:
SAR1 is the highest Reported or estimated SAR for the first of a pair of simultaneous transmitting antennas, in a
specific test operating mode and exposure condition
SAR2 is the highest Reported or estimated SAR for the second of a pair of simultaneous transmitting antennas, in
the same test operating mode and exposure condition as the first
Ri is the separation distance between the pair of simultaneous transmitting antennas. When the SAR is measured,
for both antennas in the pair, it is determined by the actual x, y and z coordinates in the 1-g SAR for each SAR peak
location, based on the extrapolated and interpolated result in the zoom scan measurement, using the formula of
[(x1-x2)2 + (y1-y2)2 + (z1-z2)2]
A new threshold of 0.04 is also introduced in the KDB. Thus, in order for a pair of simultaneous transmitting
antennas with the sum of 1-g SAR > 1.6 W/kg to qualify for exemption from Simultaneous Transmission SAR
measurements, it has to satisfy the condition of:
(SAR1 + SAR2)1.5 /Ri ≤ 0.04
Page 40
Rev. 00
Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
15.1
Report No: T170919D06-SF
Estimated SAR for Simultaneous Transmission SAR Analysis
Considerations for SAR estimation
1.
2.
When standalone SAR test exclusion applies, standalone SAR must also be estimated to determine
simultaneous transmission SAR test exclusion.
Dedicated Host Approach criteria for SAR test exclusion is likewise applied to SAR estimation, with certain
distinctions between test exclusion and SAR estimation:
•
When the separation distance from the antenna to an adjacent edge is ≤ 5 mm, a distance of 5 mm is
applied for SAR estimation; this is the same between test exclusion and SAR estimation calculations.
•
When the separation distance from the antenna to an adjacent edge is > 5 mm but ≤ 50 mm, the actual
antenna-to-edge separation distance is applied for SAR estimation.
•
When the minimum test separation distance is > 50 mm, the estimated SAR value is 0.4 W/kg
15.1.1 Estimated SAR for Bluetooth
According to section 9, the Bluetooth must be estimated according to following to determine simultaneous
transmission SAR test exclusion:
•
(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)]·[√f(GHz)/x] W/kg for
test separation distances ≤ 50 mm; where x = 7.5 for 1-g SAR, and x = 18.75 for 10-g SAR.
•
0.4 W/kg for 1-g SAR and 1.0 W/kg for 10-g SAR, when the test separation distances is > 50 mm.
Antenna
Band
Frequency
(MHz)
Output Power
Separation Distances(mm)
Estimated 1-g SAR (W/Kg)
dBm
mW
Rear
Edge1
Edge2
Edge3
Edge4
Rear
Edge1
Edge2
Edge3
Edge4
Bluetooth
2.4GHz
2437
14.0
25
7.9
5.1
156.0
158.3
102.3
Measured
Measured
0.400
0.400
0.400
Bluetooth
5.3GHz
5280
10.5
11
7.9
5.1
156.0
158.3
102.3
Measured
Measured
0.400
0.400
0.400
Bluetooth
5.5GHz
5580
10.5
11
7.9
5.1
156.0
158.3
102.3
Measured
Measured
0.400
0.400
0.400
Bluetooth
5.8GHz
5745
10.5
11
7.9
5.1
156.0
158.3
102.3
Measured
Measured
0.400
0.400
0.400
Bluetooth
2.4GHz
2440
4.0
7.9
5.1
156.0
158.3
102.3
0.079
0.123
0.400
0.400
0.400
Bluetooth
2.4GHz
2440
4.0
7.9
5.1
156.0
158.3
102.3
0.079
0.123
0.400
0.400
0.400
Page 41
Rev. 00
Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Report No: T170919D06-SF
15.2 Sum of the SAR for Simultaneous Transmission Analysis
15.2.1 Sum of the SAR for WLAN & WWAN
WLAN+BT
Simulataneous Transmission Scenario
Test
Position
Rear
Wi-Fi Main
2.4 GHz Band
Bluetooth
0.306
0.079
1+2
Summed 1g
SAR(W/kg)
SPLSR
(Yes/No)
0.385
No
Note(s):
As the Sum of the SAR is greater than 1.6W/Kg, so SPLSR is required.
Simulataneous Transmission Scenario
Test
Position
Edge 1
Wi-Fi Main
5 GHz Band
Bluetooth
1.167
0.123
1+2
Summed 1g
SAR(W/kg)
SPLSR
(Yes/No)
1.290
No
Note(s):
As the Sum of the SAR is greater than 1.6W/Kg, so SPLSR is required.
Page 42
Rev. 00
Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Report No: T170919D06-SF
16 Equipment List & Calibration Status
Name of Equipment
Manufacturer
Type/Model
Serial Number
Calibration
Cycle(year)
Calibration
Due
S-Parameter Network Analyzer
Agilent
E5071C
MY46107234
2018/10/17
Electronic Probe kit
Hewlett
Packard
85070D
N/A
N/A
N/A
Power Meter
Agilent
4416
GB41291611
2018/08/28
Power Sensor
Agilent
8481H
MY41091956
2018/08/28
Data Acquisition Electronics (DAE)
SPEAG
DAE4
558
2018/07/23
Dosimetric E-Field Probe
SPEAG
EX3DV4
3554
2018/05/23
2450 MHz System Validation
Dipole
SPEAG
D2450V2
728
2018/05/22
5GHz System Validation Dipole
SPEAG
D5GHzV2
1004
2018/11/16
Robot
Staubli
RX90L
F02/5T69A1/A/01
N/A
N/A
Amplifier
Mini-Circuit
ZVE-8G
665500309
N/A
N/A
Amplifier
Mini-Circuit
ZHL-1724HLN
D072602#2
N/A
N/A
Thermometer
Comet
53120
12932714
2018/02/23
Signal Grenerator
Agilent
E8267C
US42340162
2018/08/10
Directional Couplers
Agilent
87301D
MY44350252
2018/07/24
Page 43
Rev. 00
Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Report No: T170919D06-SF
17 Facilities
All measurement facilities used to collect the measurement data are located at
No. 81-1, Lane 210, Bade Rd. 2, Luchu Hsiang, Taoyuan Hsien, Taiwan, R.O.C.
No.11, Wugong 6th Rd., Wugu Dist., New Taipei City 24891, Taiwan. (R.O.C.)
No. 199, Chunghsen Road, Hsintien City, Taipei Hsien, Taiwan, R.O.C.
18 Reference
[1]
Federal Communications Commission, \Report and order: Guidelines for evaluating the environ-mental
effects of radiofrequency radiation", Tech. Rep. FCC 96-326, FCC, Washington, D.C. 20554, 1996.
[2]
David L. Means Kwok Chan, Robert F. Cleveland, \Evaluating compliance with FCC guidelines for human
exposure to radiofrequency electromagnetic fields", Tech. Rep., Federal Communication Commision,
O_ce of Engineering & Technology, Washington, DC, 1997.
[3]
Thomas Schmid, Oliver Egger, and Niels Kuster, \Automated E-_eld scanning system for dosimetric
assessments", IEEE Transactions on Microwave Theory and Techniques, vol. 44, pp. 105{113, Jan. 1996.
[4]
Niels Kuster, Ralph K.astle, and Thomas Schmid, \Dosimetric evaluation of mobile communications
equipment with known precision", IEICE Transactions on Communications, vol. E80-B, no. 5, pp. 645{652,
May 1997.
[5]
CENELEC, \Considerations for evaluating of human exposure to electromagnetic fields (EMFs) from
mobile telecommunication equipment (MTE) in the frequency range 30MHz - 6GHz", Tech. Rep.,
CENELEC, European Committee for Electrotechnical Standardization, Brussels, 1997.
[6]
ANSI, ANSI/IEEE C95.1-2005: IEEE Standard for Safety Levels with Respect to Human Exposure to Radio
Frequency Electromagnetic Fields, 3 kHz to 300 GHz, The Institute of Electrical and Electronics Engineers,
Inc., New York, NY 10017, 2006.
[7]
Katja Pokovic, Thomas Schmid, and Niels Kuster, \Robust setup for precise calibration of E-_eld probes in
tissue simulating liquids at mobile communications frequencies", in ICECOM _ 97, Dubrovnik, October
15{17, 1997, pp. 120{124.
[8]
Katja Pokovic, Thomas Schmid, and Niels Kuster, \E-_eld probe with improved isotropy in brain
simulating liquids", in Proceedings of the ELMAR, Zadar, Croatia, 23{25 June, 1996, pp. 172{175.
[9]
Volker Hombach, Klaus Meier, Michael Burkhardt, Eberhard K. uhn, and Niels Kuster, \The dependence
of EM energy absorption upon human head modeling at 900 MHz", IEEE Transactions onMicrowave
Theory and Techniques, vol. 44, no. 10, pp. 1865{1873, Oct. 1996.
[10] Klaus Meier, Ralf Kastle, Volker Hombach, Roger Tay, and Niels Kuster, \The dependence of EM energy
absorption upon human head modeling at 1800 MHz", IEEE Transactions on Microwave Theory and
Techniques, Oct. 1997, in press.
[11] W. Gander, Computermathematik, Birkhaeuser, Basel, 1992.
[12] W. H. Press, S. A. Teukolsky,W. T. Vetterling, and B. P. Flannery, Numerical Recepies in C, The Art of
Scientific Computing, Second Edition, Cambridge University Press, 1992..Dosimetric Evaluation of
Sample device, month 1998 9
[13] NIS81 NAMAS, The treatment of uncertainity in EMC measurement", Tech. Rep., NAMAS Executive,
National Physical Laboratory, Teddington, Middlesex, England, 1994.
[14] Barry N. Taylor and Christ E. Kuyatt, \Guidelines for evaluating and expressing the uncertainty of NIST
measurement results", Tech. Rep., National Institute of Standards and Technology, 1994. Dosimetric
Evaluation of Sample device, month 1998 10
Page 44
Rev. 00
Compliance Certification Services Inc.
FCC ID: M82-AIM37AC
Report No: T170919D06-SF
19 Attachments
Exhibit
Content
System Performance Check Plots
SAR Test Data Plots
SAR Equipment calibration report
T170919D06-SF PHOTOs
END OF REPORT
Page 45
Rev. 00
Download: AIM37AC Computer Test Report Dosimetric Evaluation of the Cellular Phone Advantech Co Ltd
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