W03A Pet GPS tracker and activity monitor RF Exposure Info SAR Report Whistle Labs, Inc

Whistle Labs, Inc Pet GPS tracker and activity monitor

FCC ID Filing: S8W-W03A
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Page 1 of W03A Pet GPS tracker and activity monitor RF Exposure Info SAR Report Whistle Labs, Inc

Radio Frequency Exposure Evaluation Report
FOR:
Whistle Labs Inc.
Model Name:
Whistle 3
Product Description:
Pet GPS tracker and activity monitor
FCC ID: S8W-W03A
IC ID: 10959A-W03A
Applied Rules and Standards:
CFR 47 Part 2 (2.1093),
FCC KDB 447498 D01 General RF Exposure Guidance v06
IC RSS-102 Issue 5
Report number: EMC-WHIST-003-16001-SAR-EX-Rev1
DATE: Dec 22, 2016
A2LA Accredited
IC recognized #
3462B-1
CETECOM Inc.
411 Dixon Landing Road  Milpitas, CA 95035  U.S.A.
Phone: + 1 (408) 586 6200  Fax: + 1 (408) 586 6299  E-mail: info@cetecom.com  http://www.cetecom.com
CETECOM Inc. is a Delaware Corporation with Corporation number: 2905571
V4.0 2012-07-25
The BLUETOOTH trademarks are owned by Bluetooth SIG, Inc., U.S.A. and licensed to CETECOM Inc.
© Copyright by CETECOM
Test Report #:
Date of Report:
EMC-WHIST-003-16001-SAR-EX-Rev1
Dec 22, 2016
Page 2 of 9
FCC ID: S8W-W03A
IC ID: 10959A-W03A
Contents
1. Assessment ................................................................................................................................... 3
2. Administrative Data ..................................................................................................................... 4
2.1. Identification of the Testing Laboratory Issuing the Test Report ......................................... 4
2.2. Identification of the Client / Manufacturer ............................................................................ 4
3. Equipment under Assessment ...................................................................................................... 5
4. FCC and IC Exemption Limits for Routine Evaluation ................................................................ 6
4.1. FCC SAR test exclusions per KDB 447498 .......................................................................... 6
4.2. IC SAR test exclusions per IC RSS-102 Issue 5.................................................................... 6
5. Stand-Alone SAR Evaluation Exclusion...................................................................................... 7
5.1. SAR Exclusion Calculation Tables ....................................................................................... 7
5.2. Justification for use of load based time averaging ................................................................ 8
5.3. Justification for using the 5 mm Distance ............................................................................. 8
6. Revision History ........................................................................................................................... 9
Test Report #:
Date of Report:
EMC-WHIST-003-16001-SAR-EX-Rev1
Dec 22, 2016
Page 3 of 9
FCC ID: S8W-W03A
IC ID: 10959A-W03A
1. Assessment
The following device was evaluated against the limits for general population uncontrolled exposure specified in
CFR 47 Part 2.1093 according to SAR evaluation exclusion requirements specified in FCC regulation as listed
in KDB 447498, and IC RSS-102 Issue 5.
The device meets the requirements for SAR exclusion as stipulated by the above given FCC/IC rules.
Company
Whistle Labs Inc.
Description
Pet GPS tracker and activity monitor
Model #
Whistle 3
Responsible for Testing Laboratory:
Dec 22, 2016
Compliance
Franz Engert
(Compliance Manager)
Date
Section
Name
Digitally signed by Franz Engert
DN: cn=Franz Engert, c=US,
o=CETECOM, ou=Complience,
email=franz.engert@cetecom.
com
Signature
Responsible for the Report:
Dec 22, 2016
Compliance
James Donnellan
(Sr. EMC Engineer)
Date
Section
Name
James
Donnellan
Digitally signed by James Donnellan
DN: cn=James Donnellan, c=US,
o=Cetecom Inc., ou=Compliance,
email=james.donnellan@cetecom.
com
Date: 2016.12.22 18:07:39 -08'00'
Signature
The test results of this test report relate exclusively to the test item specified in Section3.
CETECOM Inc. USA does not assume responsibility for any conclusions and generalizations drawn from the test results with regard
to other specimens or samples of the type of the equipment represented by the test item. The test report may only be reproduced or
published in full. Reproduction or publication of extracts from the report requires the prior written approval of CETECOM Inc. USA.
Test Report #:
Date of Report:
EMC-WHIST-003-16001-SAR-EX-Rev1
Dec 22, 2016
Page 4 of 9
FCC ID: S8W-W03A
IC ID: 10959A-W03A
2. Administrative Data
2.1. Identification of the Testing Laboratory Issuing the Test Report
Company Name:
CETECOM Inc.
Department:
Compliance
Street Address:
411 Dixon Landing Road
City/Zip Code
Milpitas, CA 95035
Country
USA
Telephone:
+1 (408) 586 6200
Fax:
+1 (408) 586 6299
Compliance Manager:
Franz Engert
Responsible Project Leader:
James Donnellan
2.2. Identification of the Client / Manufacturer
Applicant’s Name:
Whistle Labs INC
Street Address:
City/Zip Code
Country
Contact Person:
Phone No.
e-mail:
1355 Market St. #210.
San Francisco, CA, 94103
USA
George Dang
1-973-960-0503
george@whistle.com
Test Report #:
Date of Report:
EMC-WHIST-003-16001-SAR-EX-Rev1
Dec 22, 2016
Page 5 of 9
FCC ID: S8W-W03A
IC ID: 10959A-W03A
3. Equipment under Assessment
Model No
Whistle 3
HW Version
EVT 2
SW Version
0.0.1-C150591-S
FCC-ID
S8W-W03A
IC ID
10959A-W03A
Product Description
Pet GPS tracker and activity monitor.
Device Category
Frequency Range / number of
channels
Type(s) of Modulation
Modes of Operation / Declared
Output power
Max. declared antenna gain
 Fixed Installation
Mobile
 Portable
 Mixed Mobile and Portable
UMTS FDD BAND V: 826 - 847 MHz; 288 channels;
UMTS FDD BAND II: 1852 - 1908 MHz; 107 channels;
Wifi: 2412 MHz (Ch. 1) – 2462 (Ch.11), 11 channels
BT LE: 2402(ch 0) – 2480(ch 39), 40 channels
UMTS II/V: QPSK Modulation
Bluetooth version 4.0: GFSK modulation
80211.b,g,n: BPSK, QPSK, 16 QAM, 64 QAM
UMTS II/V = 24dBm
80211.b,g,n = 15dBm
Bluetooth LE= 0 dBm
FPC Antennas:
2.4GHz = 1dBi
850MHz = 0.01dBi
1900 MHz = -4dB1
Minimum distance of antenna or
5mm
radiating parts to user
Power Supply/ Rated Operating
Lithium-ion battery. Vmin: 3.0V / Vnom: 3.7V / Vmax: 4.4V DC
Voltage Range
Operating Temperature Range
Other Radios included in the
device
Co-located Transmitters /
Antennas
-20 ºC to 60 ºC
N/A
 Yes
 No
Sample Revision
Prototype
 Production
 Pre-Production
Exposure Category
 Occupational/ Controlled  General Population/ Uncontrolled
Test Report #:
Date of Report:
EMC-WHIST-003-16001-SAR-EX-Rev1
Dec 22, 2016
Page 6 of 9
FCC ID: S8W-W03A
IC ID: 10959A-W03A
4. FCC and IC Exemption Limits for Routine Evaluation
4.1. FCC SAR test exclusions per KDB 447498
KDB 447498 D01 General RF Exposure Guidance v06 Section: 4.3.1.
Standalone SAR test exclusion considerations states
a) For 100 MHz to 6 GHz and test separation distances ≤ 50 mm, the 1-g and 10-g SAR test
exclusion thresholds are determined by the following:
[(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)] · [√f(GHz)]
≤ 3.0 for 1-g SAR, and ≤ 7.5 for 10-g extremity SAR,30 where
 f(GHz) is the RF channel transmit frequency in GHz
 Power and distance are rounded to the nearest mW and mm before calculation
 The result is rounded to one decimal place for comparison
 The values 3.0 and 7.5 are referred to as numeric thresholds.
The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm, and
for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation
distance is < 5 mm, a distance of 5 mm according to 4.1 f) is applied to determine SAR test exclusion.
4.2. IC SAR test exclusions per IC RSS-102 Issue 5
IC RSS-102 Section: 2.5.1 Exemption Limits for Routine Evaluation — SAR Evaluation
SAR evaluation is required if the separation distance between the user and/or bystander and the antenna
and/or radiating element of the device is less than or equal to 20 cm, except when the device operates at or
below the applicable output power level (adjusted for tune-up tolerance) for the specified separation distance
defined in Table 1. Output power level shall be the higher of the maximum conducted or equivalent isotropically
radiated power (e.i.r.p.) source-based, time-averaged output power.
Test Report #:
Date of Report:
EMC-WHIST-003-16001-SAR-EX-Rev1
Dec 22, 2016
Page 7 of 9
FCC ID: S8W-W03A
IC ID: 10959A-W03A
5. Stand-Alone SAR Evaluation Exclusion
5.1. SAR Exclusion Calculation Tables
FCC SAR Exclusion Calculations
Band
d[mm]
f[GHz]
Max
Power +
tune up
[mW]
UMTS V
UMTS II
Wifi
BTLE
0.85
1.9
2.4
2.4
251.2
251.2
31.6
Source
based
duty
cycle.1
Load based
duty cycle
based on
Maximum
payload.2
Effective
average
max power
[mW]
FCC
Limit @
5 mm
[mW]
Exclusion
0.0007
0.0007
0.0018
0.0009
0.183
0.183
0.058
0.001
16.27
10.88
9.68
9.68
OK
OK
OK
OK
Note1: We will use the most conservative source based duty cycle for all the radios.
Note 2: The load base Duty cycle for UMTS is based on a worst case scenario where the pet is outside the geo-fence and in close
contact with a person, and the owner is continuously requesting location information which is a max of 100 byte payload being
uploaded every 90 seconds and using a worst case 12.2kbit/s RMC uplink coding rate (excluding overhead, with lowest order
modulation, and lowest coding rate).
The load base Duty cycle for WiFi is based on the scenario where the pet is inside the geo-fence and using the single worst daily
transfer rate found over 797 Device days of 19.7 Megabytes with a worst case coding for 1mbps.
The load base Duty cycle for BTLE is based on the broadcast packet of 29 bytes every second with a conservative 250kbps
transfer rate.
Industry Canada SAR Exclusion Calculations
Band
d[mm]
f[GHz]
Max Power +
tune up +
antenna gain
[mW] 1
UMTS V
UMTS II
Wifi
BTLE
0.85
1.9
2.4
2.4
257
251.2
39.9
1.26
Source
based
duty
cycle. 2
Time
Averaged
Duty Factor
based on
Maximum
payload. 3
0.0007
0.0007
0.0018
0.0009
Effective
average
max power
[mW]
IC Limit @
5mm from
Table 1
RSS 102
Exclusion
0.187
0.183
0.073
0.001
17.00
7.00
4.00
4.00
OK
OK
OK
OK
Note1: For Industry Canada we add positive antenna gain as appropriate to the conducted output power as a worst case.
Note 2: We will use the most conservative source based duty cycle for all the radios.
Note 3: The load base Duty cycle for UMTS is based on a worst case scenario where the pet is outside the geo-fence and in
contact with a person and the owner is continuously requesting location information which is a max of 100 byte every 90 seconds
and using a worst case 12.2kbit/s RMC uplink coding rate (excluding overhead, with lowest order modulation, and lowest coding
rate).
The load base Duty cycle for WiFi is based on the scenario where the pet is inside the geo-fence and using the single worst daily
transfer rate found over 797 Device days of 19.7 Megabytes with a worst case coding for 1mbps.
The load base Duty cycle for BTLE is based on the broadcast packet of 29 bytes every second with a conservative 250kbps
transfer rate.
Test Report #:
Date of Report:
EMC-WHIST-003-16001-SAR-EX-Rev1
Dec 22, 2016
Page 8 of 9
FCC ID: S8W-W03A
IC ID: 10959A-W03A
5.2. Justification for use of load based time averaging
Based on information provided by Whistle I used the worst case loading found for each of the radios as
outlined in the notes in Section 5.1.
5.3. Justification for using the 5 mm Distance
The distance is conservative at 5mm as the device is worn around a pet’s neck, and to get this close to the
device would be quite challenging.
Test Report #:
Date of Report:
EMC-WHIST-003-16001-SAR-EX-Rev1
Dec 22, 2016
Page 9 of 9
FCC ID: S8W-W03A
IC ID: 10959A-W03A
6. Revision History
Date
Report Name
Changes to report
Report prepared by
Dec 13, 2016
EMC-WHIST-003-16001-SAR-EX
Initial version
James Donnellan
Dec 22, 2016
EMC-WHIST-003-16001-SAR-EX-Rev1
Corrected table in section 5.1 and
updated note 2.
James Donnellan
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Document ID3255090
Application IDdHWqV51gTtdtwqTCszpqBg==
Document DescriptionSAR Report
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeRF Exposure Info
Display FormatAdobe Acrobat PDF - pdf
Filesize30.84kB (385505 bits)
Date Submitted2017-01-11 00:00:00
Date Available2017-01-11 00:00:00
Creation Date2017-12-20 17:16:42
Producing SoftwareGPL Ghostscript 9.18
Document Lastmod2017-12-20 17:16:42
Document TitleSAR Report
Document CreatorMicrosoft® Word 2010
Document Author: pc-8723

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