10112 Prosthetic Arm Test Report Mobius Arm Report 8463A R1 Mobius Bionics LLC

Mobius Bionics LLC Prosthetic Arm

FCC ID Filing: 2AJ4M10112
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Page 1 of 10112 Prosthetic Arm Test Report Mobius Arm Report 8463A R1 Mobius Bionics LLC

Electromagnetic Compatibility Test Report
Tests Performed on a Mobius Bionics LLC
2.4 GHz Transceiver, Model DKLU-10521-652
Radiometrics Document RP-8463A
Product Detail:
FCC ID: 2AJ4M10112
Equipment type: 2.4 GHz Low power transmitter
Test Standards:
US CFR Title 47, Chapter I, FCC Part 15 Subpart C
FCC Part 15 CFR Title 47: 2016
This report concerns: Original Grant for Certification
FCC Part 15.249
Tests Performed For:
Test Facility:
Mobius Bionics LLC
470 Commercial St.
Manchester, NH 03101
Radiometrics Midwest Corporation
12 Devonwood Avenue
Romeoville, IL 60446-1349
(815) 293-0772
Test Date(s): (Month-Day-Year)
November 5 to December 16, 2016
Document RP-8463A Revisions:
Rev.
Issue Date
Affected Sections
January 19, 2017
January 30, 2017 6, 10.0, 11.2.3.1 & 11.2.3.2
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Revised By
Joseph Strzelecki
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Testing of the Mobius Bionics LLC, Model DKLU-10521-652, 2.4 GHz Transceiver
Table of Contents
1.0ADMINISTRATIVE DATA ................................................................................................................. 3
2.0TEST SUMMARY AND RESULTS ................................................................................................... 3
2.1 RF Exposure Compliance Requirements ..................................................................................... 3
3.0EQUIPMENT UNDER TEST (EUT) DETAILS .................................................................................. 4
3.1 EUT Description ........................................................................................................................... 4
3.1.1 FCC Section 15.203 Antenna Requirements ......................................................................... 4
3.2 Related Submittals ....................................................................................................................... 4
4.0TESTED SYSTEM DETAILS ............................................................................................................ 4
4.1 Tested System Configuration ....................................................................................................... 4
4.2 Special Accessories ..................................................................................................................... 5
4.3 Equipment Modifications .............................................................................................................. 5
5.0TEST SPECIFICATIONS .................................................................................................................. 5
6.0TEST PROCEDURE DOCUMENTS ................................................................................................. 5
7.0RADIOMETRICS’ TEST FACILITIES ............................................................................................... 5
8.0DEVIATIONS AND EXCLUSIONS FROM THE TEST SPECIFICATIONS ....................................... 6
9.0CERTIFICATION............................................................................................................................... 6
10.0TEST EQUIPMENT TABLE ............................................................................................................ 6
11.0TEST SECTIONS............................................................................................................................ 6
11.1 AC Conducted Emissions ........................................................................................................... 6
11.2 Radiated RF Emissions ............................................................................................................ 10
11.2.1 Field Strength Calculation .................................................................................................. 11
11.2.2 Duty Cycle .......................................................................................................................... 11
11.2.3 Radiated Emissions Test Results ...................................................................................... 12
11.3 Occupied Bandwidth Data ........................................................................................................ 16
11.3.1 Measurement Instrumentation Uncertainty ........................................................................ 17
Notice: This report must not be reproduced (except in full) without the written approval of
Radiometrics Midwest Corporation.
RP-8463A Rev. 1
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Testing of the Mobius Bionics LLC, Model DKLU-10521-652, 2.4 GHz Transceiver
1.0 ADMINISTRATIVE DATA
Equipment Under Test:
A Mobius Bionics LLC, 2.4 GHz Transceiver
Model: DKLU-10521-652 Serial Number: ARM-Q0-031
This will be referred to as the EUT in this Report
Date EUT Received at Radiometrics: (Month-Day-Year)
Test Date(s): (Month-Day-Year)
November 2, 2016
November 5 to December 16, 2016
Test Report Written By:
Test Witnessed By:
Joseph Strzelecki
Senior EMC Engineer
The tests were not witnessed by Mobius Bionics
LLC
Radiometrics’ Personnel Responsible for Test:
Test Report Approved By
Joseph Strzelecki
Senior EMC Engineer
NARTE EMC-000877-NE
Chris W. Carlson
Director of Engineering
NARTE EMC-000921-NE
2.0 TEST SUMMARY AND RESULTS
The EUT (Equipment Under Test) is a 2.4 GHz Transceiver, Model DKLU-10521-652, manufactured by
Mobius Bionics LLC. The detailed test results are presented in a separate section. The following is a
summary of the test results.
Environmental Phenomena
RF Radiated Emissions
Conducted Emissions, AC Mains
Occupied Bandwidth Test
Emissions Tests Results
Frequency Range
Basic Standard
30-25,000 MHz
FCC Part 15
0.15 - 30 MHz
FCC Part 15
Fundamental Freq.
FCC Part 15
Test Result
Pass
Pass
Pass
2.1 RF Exposure Compliance Requirements
Since the power output is less than10 mW, the EUT meets the FCC requirement for RF. There are no
power level adjustments available to the end user. The antenna is permanently attached. The detailed
calculations for RF Exposure are presented in a separate document.
RP-8463A Rev. 1
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Testing of the Mobius Bionics LLC, Model DKLU-10521-652, 2.4 GHz Transceiver
3.0 EQUIPMENT UNDER TEST (EUT) DETAILS
3.1 EUT Description
The EUT is a transmitter for a prosthetic arm, Model DKLU-10521-652, manufactured by Mobius Bionics
LLC. The EUT was in good working condition during the tests, with no known defects. There are two
identical transmitters in the arm. The two transmitters are identified as MSP1 and MSP2 herein. The two
transmitters have the same electronics, with different antennas.
3.1.1 FCC Section 15.203 Antenna Requirements
The antenna is internal to the EUT and it is not readily available to be modified by the end user. Therefore,
it meets the 15.203 Requirements.
3.2 Related Submittals
The associated transceiver is operated under part 15.249. It is subject to the FCC requirements pursuant to
the Certification equipment authorization under Part 15 Subpart C, and is being submitted as FCC ID:
2AJ4M20260 and 2AJ4M20275.
4.0 TESTED SYSTEM DETAILS
4.1 Tested System Configuration
The system was configured for testing in a typical fashion. The EUT was placed on an 80-cm high,
nonconductive test stand. The testing was performed in conditions as close as possible to installed
conditions. Wiring was consistent with manufacturer's recommendations. The EUT was tested while
connected to its charger, since this is the worst-case configuration.
The identification for all equipment, plus descriptions of all cables used in the tested system, are:
Item Description
Tested System Configuration List
Type*
Manufacturer
Model Number
Transcievers in prosthetic
Arm; MSP1 & MSP2
Serial Number
Mobius
DKLU-10521-652
ARM-Q0-031
AC Adaptor
XP Power
AFM6OUS24C2
1036-00435
Laptop Computer
Lenovo
T430
PB-ZYMDV
Laptop power supply
Lenovo
T430
11592P1109Z1Z787AD4
* Type: E = EUT, P = Peripheral, S = Support Equipment; H = Host Computer
QTY
Length (m)
1.8
1.0
1.0
1.0
RP-8463A Rev. 1
List of System Cables
Cable Description
AC Cord to input of Charger
DC output cable of charger
Battery Cable
Sensor Cable
Shielded?
No
No
No
No
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Testing of the Mobius Bionics LLC, Model DKLU-10521-652, 2.4 GHz Transceiver
4.2 Special Accessories
No special accessories were used during the tests in order to achieve compliance.
4.3 Equipment Modifications
No modifications were made to the EUT at Radiometrics' test facility in order to comply with the standards
listed in this report.
5.0 TEST SPECIFICATIONS
Document
Date
Title
FCC
CFR Title 47
2016
Code of Federal Regulations Title 47, Chapter 1, Federal
Communications Commission, Part 15 - Radio Frequency Devices
6.0 TEST PROCEDURE DOCUMENTS
The tests were performed using the procedures from the following specifications:
Document
Date
Title
ANSI
C63.4-2014
ANSI
C63.10-2013
2014
2013
Methods of Measurement of Radio Noise Emissions from Low-Voltage
Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz
American National Standard for Testing Unlicensed Wireless Devices
7.0 RADIOMETRICS’ TEST FACILITIES
The results of these tests were obtained at Radiometrics Midwest Corp. in Romeoville, Illinois, USA.
Radiometrics is accredited by A2LA (American Association for Laboratory Accreditation) to conform to
ISO/IEC 17025: 2005 "General Requirements for the Competence of Calibration and Testing Laboratories".
Radiometrics’ Lab Code is 121191 and Certification Number is 1495.01. Radiometrics’ scope of
accreditation includes all of the test methods listed herein. A copy of the accreditation can be accessed on
our web site (www.radiomet.com). Radiometrics accreditation status can be verified at A2LA’s web site
(www.a2la2.org).
The following is a list of shielded enclosures located in Romeoville, Illinois used during the tests:
Chamber E: Is a custom made anechoic chamber that measures 52’ L X 30’ W X 18’ H. The walls and
ceiling are fully lined with RF absorber. Pro-shield of Collinsville, Oklahoma manufactured the
chamber. The floor has a 9’ x 9’ section of microwave absorber for testing above 1 GHz.
Test Station F: Is an area that measures 10’ D X 12’ W X 10’ H. The floor and back wall are metal shielded.
This area is used for conducted emissions measurements.
A separate ten-foot long, brass plated, steel ground rod attached via a 6 inch copper braid grounds each of
the above chambers. Each enclosure is also equipped with low-pass power line filters.
The FCC has accepted these sites as test site number US1065. The FCC test site Registration Number is
732175. Details of the site characteristics are on file with the Industry Canada as site number IC 8727A-1.
RP-8463A Rev. 1
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Testing of the Mobius Bionics LLC, Model DKLU-10521-652, 2.4 GHz Transceiver
A complete list of the test equipment is provided herein. The calibration due dates are indicated on the
equipment list. The equipment is calibrated in accordance to ANSI/NCSL Z540-1 with traceability to the
National Institute of Standards and Technology (NIST).
8.0 DEVIATIONS AND EXCLUSIONS FROM THE TEST SPECIFICATIONS
There were no deviations or exclusions from the test specifications.
9.0 CERTIFICATION
Radiometrics Midwest Corporation certifies that the data contained herein was taken under conditions that
meet or exceed the requirements of the test specification and the data contained herein was taken with
calibrated test equipment. The results relate only to the EUT listed herein.
10.0
TEST EQUIPMENT TABLE
RMC ID
AMP-05
AMP-20
AMP-22
AMP-29
ANT-04
ANT-08
ANT-13
ANT-36
ANT-48
HPF-01
LSN-01
MXR-02
Manufacturer
RMC/Celeritek
Avantek
Anritsu
HP / Agilent
Tensor
RMC
EMCO
Ailtech (Eaton)
RMC
Solar
Electrometrics
HP / Agilent
Serial No.
1001
15221
M23969
2304A00158
2246
1002
2502
2013
1001
HPF-1
1001
2332A00489
2648A13481
REC-08 HP / Agilent
Spectrum Analyzer 8566B
2209A01436
REC-11 HP / Agilent
Spectrum Analyzer E7405A
US39110103
33330A00135
REC-20 HP / Agilent
Spectrum Analyzer 85460A/84562A 3410A00178
REC-21 Agilent
Spectrum Analyzer E7405A
MY45118341
THM-02 Fluke
Temp/Humid Meter 971
93490471
THM-03 Fluke
Temp/Humid Meter 971
95850465
Note: All calibrated equipment is subject to periodic checks.
Software Company
Radiometrics
Radiometrics
Agilent
11.0
Description
Pre-amplifier
Pre-amplifier
Pre-amplifier
Amplifier
Biconical Antenna
Log-Periodic Ant.
Horn Antenna
Horn Antenna
Std Gain Horn
High Pass Filter
50 uH LISN
Harmonic Mixer
Test Software Name
EN550XX0
REREC11D
PSA/ESA-E/L/EMC
Model No.
MW110G
SF8-0652
MH648A
11975A
4104
LP1000
3115
96001
HW2020
7930-100
FCC/VDE 50/2
11970K
Version
06.10.16
01.05.16
2.4.0.42
Frequency
Range
1.0-12GHz
8-18GHz
0.1-1200MHz
2-8 GHz
20-250MHz
200-1000MHz
1.0-18GHz
1.0-18GHz
18-26 GHz
0.15-30MHz
0.01-30MHz
18-26.5GHz
Cal
Period
12 Mo.
12 Mo
12 Mo.
12 Mo.
24 Mo.
24 Mo.
24 Mo.
24 Mo.
24 Mo.
24 Mo.
24 Mo.
12 Mo.
Cal Date
01/05/16
01/05/16
01/05/16
01/08/16
05/16/16
10/06/16
12/28/16
11/02/16
12/15/15
03/15/16
06/23/15
01/08/16
30Hz-22GHz
9Hz-26.5GHz
24 Mo.
12 Mo
12/21/15
03/23/16
30Hz-6GHz
9Hz-26.5 GHz
N/A
N/A
24 Mo.
24 Mo.
24 Mo.
12 Mo.
07/13/16
12/22/15
08/03/15
01/11/16
Applicable Tests
RF Conducted Emissions (FCC Part 15 & EN 55011/22) REC-10
RF Radiated Emissions (FCC Part 15 & EN 55011/22)
Bandwidth and screen shots
TEST SECTIONS
11.1 AC Conducted Emissions
The tests and limits are in accordance with FCC section 15.207.
RP-8463A Rev. 1
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Testing of the Mobius Bionics LLC, Model DKLU-10521-652, 2.4 GHz Transceiver
A computer-controlled analyzer was used to perform the conducted emissions measurements. The
frequency range was divided into 500 subranges equally spaced on a logarithmic scale. The computer
recorded the peak of each subrange. This data was then plotted on a semi-log graph generated by the
computer. Adjusting the positions of the cables and orientation of the test system then maximizes the
highest emissions.
Mains Conducted emission measurements were performed using a 50 Ohm/50 uH Line Impedance
Stabilization Network (LISN) as the pick-up device. Measurements were repeated on both leads within the
power cord. If the EUT power cord exceeded 80 cm in length, the excess length of the power cord was
made into a 30 to 40 cm bundle near the center of the cord. The LISN was placed on the floor at the base
of the test platform and electrically bonded to the ground plane.
FCC Limits of Conducted Emissions at the AC Mains Ports
Class B Limits (dBuV)
Frequency Range
(MHz)
Quasi-Peak
Average
66 - 56
56 - 46
0.150 - 0.50*
0.5 – 5.0
56
46
5.0 - 30
60
50
* The limit decreases linearly with the logarithm of the frequency in this range.
The initial step in collecting conducted data is a peak detector scan and the plotting of the measurement
range. Significant peaks are then marked as shown on the following table, and these signals are then
measured with the quasi-peak detector. The following represents the worst case emissions from EUT
charger power cord, after testing all modes of operation.
Test Date
: December 15, 2016
The Amplitude is the final corrected value with cable and LISN Loss.
RP-8463A Rev. 1
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Testing of the Mobius Bionics LLC, Model DKLU-10521-652, 2.4 GHz Transceiver
100
Test Equipment:
REC-20
CAB-065A CAB-418A
LSN-01L
HPF-01
SV06.10.16
Peak Plot
-- : QP Level
RADIOMETRICS
X : Avg. Level
MIDWEST CORPORATION
90
80
70
60
Amplitude dBuV
Quasi-Peak
50
Average
40
30
8.997
.1821
10
.1643
20
.15
.5
Frequency (MHz)
Company: Deka Research
Model: DKLU-10521-652
Lead Tested: AC Hot 120 VAC
S/N : ARM-00-031
Notes: ARM constant Transmit; with external battery box connected.
FCC 15 & EN55022 Class B Conducted Emissions; Mains Port
Company name should be Mobius Bionics, LLC
QP
QP
Frequency
Amplitude
Limit
(MHz)
(dBuV)
(dBuV)
0.164
37.5
65.2
0.182
33.5
64.4
8.997
29.4
60.0
RP-8463A Rev. 1
Average
Amplitude
(dBuV)
9.1
8.1
17.7
10
20
30
Date :12-15-2016
Time:13:42
Tested By: RLT
RP-8463A | CAB120H
Average
Limit
(dBuV)
55.2
54.4
50.0
Margin
(dB)
27.7
30.9
30.6
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Testing of the Mobius Bionics LLC, Model DKLU-10521-652, 2.4 GHz Transceiver
100
Test Equipment:
REC-20
CAB-065A CAB-418A
LSN-01N
HPF-01
SV06.10.16
Peak Plot
-- : QP Level
RADIOMETRICS
X : Avg. Level
MIDWEST CORPORATION
90
80
70
60
Amplitude dBuV
Quasi-Peak
50
Average
40
30
7.985
.4066
.2066
10
.1657
20
.15
.5
Frequency (MHz)
Company: Deka Research
Model: DKLU-10521-652
Lead Tested: AC Neutral 120 VAC
S/N : ARM-00-031
Notes: ARM constant Transmit; with external battery box connected.
FCC 15 & EN55022 Class B Conducted Emissions; Mains Port
Company name should be Mobius Bionics, LLC
QP
QP
Frequency
Amplitude
Limit
(MHz)
(dBuV)
(dBuV)
0.166
38.4
65.2
0.207
31.1
63.3
0.407
26.8
57.7
7.986
21.4
60.0
Average
Amplitude
(dBuV)
9.5
3.8
11.5
12.2
10
20
30
Date :12-15-2016
Time:13:39
Tested By: RLT
RP-8463A | CAB120N
Average
Limit
(dBuV)
55.2
53.3
47.7
50.0
Margin
(dB)
26.7
32.3
30.9
37.8
Judgment: Passed by at least 10 dB
RP-8463A Rev. 1
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Testing of the Mobius Bionics LLC, Model DKLU-10521-652, 2.4 GHz Transceiver
Figure 1. Conducted Emissions Test Setup
To Spectrum Analyzer
LISN
Power Supply
AC
Mains
EUT
1x1.5m surface
Notes:
 LISN’s at least 80 cm from EUT chassis
 Vertical conductive plane 40 cm from rear of table top
 EUT power cord bundled
11.2 Radiated RF Emissions
Radiated emission measurements were performed with linearly polarized broadband antennas. The results
obtained with these antennas can be correlated with results obtained with a tuned dipole antenna. The
radiated emission measurements were performed with a spectrum analyzer. The bandwidth used from 150
kHz to 30 MHz is 9 or 10 kHz and the bandwidth from 30 MHz to 1000 MHz is 100 or 120 kHz. Above 1
GHz, a 1 MHz bandwidth is used. A 10 dB linearity check is performed prior to start of testing in order to
determine if an overload condition exists. A harmonic mixer was used from 18 to 25 GHz. Figure 4 herein
lists the details of the test equipment used during radiated emissions tests.
The EUT was rotated through three orthogonal axis as per 5.10.1 of ANSI C63.10 during the radiated tests.
Final radiated emissions measurements were performed inside of an anechoic chamber at a test distance of
3 meters. The anechoic chamber is designated as Chamber E. This Chamber meets the Site Attenuation
requirements of ANSI C63.4 and CISPR 16-1. Chamber E is located at 12 East Devonwood Ave.
Romeoville, Illinois EMI test lab.
The entire frequency range from 30 to 25,000 MHz was slowly scanned with particular attention paid to
those frequency ranges which appeared high. Measurements were performed using two antenna
polarizations, (vertical and horizontal). The worst case emissions were recorded. All measurements may
be performed using either the peak, average or quasi-peak detector functions. If the peak detector data
exceeds or is marginally close to the limits, the measurements are repeated using a quasi-peak detector or
average function as required by the specification for final determination of compliance.
The detected emission levels were maximized by rotating the EUT, adjusting the positions of all cables, and
by scanning the measurement antenna from 1 to 4 meters above the ground.
RP-8463A Rev. 1
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Testing of the Mobius Bionics LLC, Model DKLU-10521-652, 2.4 GHz Transceiver
11.2.1 Field Strength Calculation
The field strength is calculated by adding the Antenna Factor and Cable Loss, and by subtracting the
Amplifier Gain from the measured reading. The basic equation is as follows:
FS = RA + AF + CF - AG + HPF + PKA
Where: FS = Field Strength
RA = Receiver Amplitude
AF = Antenna Factor
CF = Cable Attenuation Factor
AG = Amplifier Gain
PKA = Peak to Average Factor (This is only used for average measurements above 1 GHz)
The Peak to average factor is used when average measurements are required. It is calculated by the
highest duty cycle in percent over any 100mS transmission. The factor in dB is 20 * Log(Duty cycle/100).
Note: The actual FCC limits are in uV/m. The data in the results table coverted the limits to dBuV/m.
100 uV/m = 40.0 dBuV/m
150 uV/m = 43.5 dBuV/m
200 uV/m = 46.0 dBuV/m
500 uV/m = 54.0 dBuV/m
11.2.2 Duty Cycle
The Peak to average factor is calculated by the highest duty cycle in percent over any 100mS transmission.
The factor in dB is 20 * Log(Duty cycle/100).
MSP1: The transmitter operates for a maximum duration of 0.967x5 ms in any 100 ms interval for a 4.835%
maximum duty cycle. 20 Log*(4.835mSec/100mSec) = -26.3 dB Peak to average Correction factor.
MSP2: The transmitter operates for a maximum duration of 3.086x2 ms in any 100 ms interval for a 6.172%
maximum duty cycle. 20 Log*(6.172mSec/100mSec) = -24.2 dB Peak to average Correction factor.
MSP1 Duty Cycle
RP-8463A Rev. 1
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Testing of the Mobius Bionics LLC, Model DKLU-10521-652, 2.4 GHz Transceiver
MSP2 Duty Cycle
11.2.3 Radiated Emissions Test Results
11.2.3.1 Emissions Below 1 GHz
Test Date
Test Distance
Specification
Tested by
Abbreviations
11/5, 11/14 & 12/16/2016
3 Meters
FCC Part 15.209 & 15.249
Richard Tichgelaar, Chris Dalessio
Pol = Antenna Polarization; V = Vertical; H = Horizontal; P = peak; Q = QP
MSP1
Freq.
MHz
34.4
60.8
72.9
90.5
125.2
130.6
149.9
159.8
175.2
212.6
231.9
283.1
320.0
348.1
391.9
480.0
592.5
872.5
31.6
32.2
46.0
Meter
Reading
dBuV
41.5
47.4
41.9
41.9
47.6
40.2
47.9
43.8
40.8
42.3
35.8
40.5
38.6
38.5
36.8
34.1
34.7
27.2
51.1
40.9
40.2
RP-8463A Rev. 1
Dect.
Ant.
Pol.
Ant
Factor
11.5
8.9
6.4
9.9
12.1
11.8
13.2
15.0
16.6
15.0
14.7
13.6
13.7
14.0
15.1
17.8
18.3
23.0
11.2
11.3
11.9
Cable &
Amp
Factors
-28.3
-28.2
-28.0
-27.9
-27.8
-27.7
-27.7
-27.6
-27.6
-27.5
-27.4
-27.3
-27.3
-27.2
-27.2
-26.7
-26.3
-25.3
-28.3
-28.3
-28.3
Dist
Fact
dB
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
EUT
dBuV/m
24.6
28.1
20.2
23.9
31.9
24.3
33.5
31.2
29.9
29.9
23.1
26.8
25.0
25.3
24.7
25.2
26.7
24.9
34.0
23.9
23.8
Limit
dBuV/m
40.0
40.0
40.0
43.5
43.5
43.5
43.5
43.5
43.5
43.5
46.0
46.0
46.0
46.0
46.0
46.0
46.0
46.0
40.0
40.0
40.0
Margin
Under
Limit dB
15.4
11.9
19.8
19.6
11.6
19.2
10.0
12.3
13.6
13.6
22.9
19.2
21.0
20.7
21.3
20.8
19.3
21.1
6.0
16.1
16.2
Note
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Testing of the Mobius Bionics LLC, Model DKLU-10521-652, 2.4 GHz Transceiver
Freq.
MHz
60.8
71.8
96.6
125.2
149.9
159.8
175.2
185.6
215.4
269.4
286.3
347.5
373.8
480.0
523.8
615.0
628.8
737.5
880.0
907.5
Meter
Reading
dBuV
41.9
44.9
44.8
47.6
42.2
35.8
36.8
36.4
34.8
40.4
42.8
37.6
36.7
36.5
31.7
32.0
31.5
30.1
30.7
29.9
Dect.
Ant.
Pol.
Ant
Factor
8.9
6.5
11.1
12.1
13.2
15.0
16.6
17.2
14.7
12.6
13.6
13.9
14.4
17.8
17.0
18.7
19.0
21.0
22.2
22.1
Cable &
Amp
Factors
-28.2
-28.1
-27.9
-27.8
-27.7
-27.6
-27.6
-27.5
-27.5
-27.3
-27.3
-27.2
-27.1
-26.7
-26.7
-26.4
-26.5
-26.1
-25.2
-24.9
Dist
Fact
dB
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
EUT
dBuV/m
22.6
23.3
28.0
32.0
27.8
23.2
25.8
26.1
22.1
25.6
29.1
24.4
24.0
27.6
22.1
24.3
24.0
25.0
27.7
27.2
Limit
dBuV/m
40.0
40.0
43.5
43.5
43.5
43.5
43.5
43.5
43.5
46.0
46.0
46.0
46.0
46.0
46.0
46.0
46.0
46.0
46.0
46.0
Margin
Under
Limit dB
17.4
16.7
15.5
11.5
15.7
20.3
17.7
17.4
21.4
20.4
16.9
21.6
22.0
18.4
23.9
21.7
22.0
21.0
18.3
18.8
Dect.
Ant.
Pol.
Ant
Factor
11.4
7.9
11.5
12.2
15.0
15.8
13.2
14.1
17.8
18.2
20.1
21.9
11.5
11.4
6.6
11.6
12.2
15.0
15.2
12.8
14.3
14.8
14.7
17.8
18.2
20.0
Cable &
Amp
Factors
-28.3
-28.1
-27.9
-27.7
-27.6
-27.3
-27.3
-27.3
-26.7
-26.2
-26.1
-24.8
-28.3
-28.3
-28.1
-27.9
-27.7
-27.6
-27.4
-27.3
-27.2
-27.2
-27.1
-26.7
-26.2
-26.1
Dist
Fact
dB
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
EUT
dBuV/m
29.8
29.2
27.4
34.9
33.5
28.0
29.4
25.4
24.8
23.1
24.3
28.8
33.8
29.3
27.0
29.0
23.0
25.3
19.5
21.2
22.3
24.7
21.9
22.5
22.8
24.4
Limit
dBuV/m
40.0
40.0
43.5
43.5
43.5
46.0
46.0
46.0
46.0
46.0
46.0
46.0
40.0
40.0
40.0
43.5
43.5
43.5
46.0
46.0
46.0
46.0
46.0
46.0
46.0
46.0
Margin
Under
Limit dB
10.2
10.8
16.1
8.6
10.0
18.0
16.6
20.6
21.2
22.9
21.7
17.2
6.2
10.7
13.0
14.5
20.5
18.2
26.5
24.8
23.7
21.3
24.1
23.5
23.2
21.6
Note
MSP2
Freq.
MHz
33.3
64.7
98.8
144.4
159.8
241.2
276.9
320.0
480.0
597.5
753.8
912.5
35.0
49.8
70.7
99.3
143.9
159.8
236.3
265.6
348.8
380.6
405.6
481.3
603.8
750.0
Meter
Reading
dBuV
46.8
49.4
43.7
50.4
46.1
39.5
43.5
38.5
33.7
31.1
30.3
31.7
50.6
46.1
48.5
45.2
38.5
37.9
31.7
35.8
35.2
37.1
34.4
31.4
30.8
30.5
Note
Judgment: Passed by 6.0 dB
Since all readings passed in peak, Quasi-Peak measurements were not performed.
RP-8463A Rev. 1
Page 13 of 17
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Testing of the Mobius Bionics LLC, Model DKLU-10521-652, 2.4 GHz Transceiver
11.2.3.2 Emissions above 1 GHz
Test Date: 11/14 & 12/16/2016
Tested by: Dave Jarvis; Chris Dalessio
Radiated Emissions per FCC 15.249
MSP1
hrm
Tx
Freq
2405
BE 2405
2405
2405
2445
2445
2445
2480
BE 2480
2480
2480
Spectrum Analyzer Readings
EUT
Peak Ave Peak Ave Margin
Peak
Ave
Peak
Ave Corr. Emission
Tot. FS
Limit
Under
Vertical Polarization
Horizontal Polarization
Freq
Max
Z Max
Fact. MHz
dBuV/m
dBuV/m Limit
86.3 87.0 82.7 60.7 89.0 88.8 91.2 64.9 -5.6 2405.0 85.6 59.3 114 94
28.4
42.2 42.9 38.6 16.6 44.9 44.7 47.1 20.8 -5.6 2400.0 41.5 15.2 74
54
32.5
45.6 44.2 49.9 23.6 44.6 44.0 48.9 22.6 2.1 4810.0 52.0 25.7 74
54
22.0
42.1 49.7 43.8 23.4 41.4 42.1 46.2 19.9 7.0 7215.0 56.7 30.4 74
54
17.3
87.8 88.2 88.5 62.2 91.6 89.4 88.4 65.3 -5.5 2445.0 86.1 59.8 114 94
27.9
47.0 46.7 52.5 26.2 45.3 45.7 48.7 22.4 2.1 4890.0 54.6 28.3 74
54
19.4
0.0 42.2 46.3 20.0 48.1 41.7 43.6 21.8 7.0 7335.0 55.1 28.8 74
54
18.9
85.0 85.2 88.1 61.8 91.3 86.3 86.5 65.0 -5.6 2480.0 85.7 59.4 114 94
28.3
45.7 45.9 48.8 22.5 52.0 47.0 47.2 25.7 -5.6 2483.5 46.4 20.1 74
54
27.6
44.9 44.2 50.1 23.8 43.4 43.8 46.0 19.7 2.4 4960.0 52.5 26.2 74
54
21.5
45.3 45.0 48.9 22.6 41.1 45.3 50.4 24.1 7.5 7440.0 57.9 31.6 74
54
16.1
Column numbers (see below for explanations)
10
11
12
13
14
15
16
17
MSP2
hrm
Tx
BE
BE
Freq
2405
2405
2405
2405
2445
2445
2445
2480
2480
2480
2480
Spectrum Analyzer Readings
EUT
Peak Ave Peak Ave Margin
Peak
Ave
Peak
Ave Corr. Emission
Tot. FS
Limit
Under
Vertical Polarization
Horizontal Polarization
Freq
Max
Z Max
Fact. MHz
dBuV/m
dBuV/m Limit
84.6 91.5 84.2 67.3 86.1 84.1 94.5 70.3 -5.6 2405.0 88.9 64.7 114 94
25.1
38.8 45.7 38.4 21.5 40.3 38.3 48.7 24.5 -5.6 2400.0 43.1 18.9 74
54
30.9
43.0 42.6 44.0 19.8 42.5 46.9 42.7 22.7 2.1 4810.0 49.0 24.8 74
54
25.0
40.4 40.7 40.4 16.5 40.6 41.0 45.9 21.7 6.8 7215.0 52.7 28.5 74
54
21.3
84.1 92.3 83.6 68.1 84.8 83.2 92.3 68.1 -5.2 2445.0 87.1 62.9 114 94
26.9
43.2 48.9 43.1 24.7 42.1 45.9 42.3 21.7 2.4 4890.0 51.3 27.1 74
54
22.7
0.0 46.8 40.9 22.6 44.0 41.0 41.1 19.8 7.2 7335.0 54.0 29.8 74
54
20.0
84.3 88.6 83.1 64.4 85.2 82.9 91.3 67.1 -5.3 2480.0 86.0 61.8 114 94
28.0
46.7 51.0 45.5 26.8 47.6 45.3 53.7 29.5 -5.3 2483.5 48.4 24.2 74
54
25.6
42.0 41.9 42.8 18.6 41.8 41.4 48.9 24.7 2.4 4960.0 51.3 27.1 74
54
22.7
42.0 43.2 40.9 19.0 40.5 45.3 40.6 21.1 7.5 7440.0 52.8 28.6 74
54
21.2
Column numbers (see below for explanations)
10
11
12
13
14
15
16
17
Column #1. hrm = Harmonic; BE = Band Edge emissions
Column #2. Frequency of Transmitter.
Column #3. Uncorrected readings from the spectrum analyzer with First Axis Rotation.
Column #4. Uncorrected readings from the spectrum analyzer with Second Axis Rotation.
Column #5. Uncorrected readings from the spectrum analyzer with Third Axis Rotation.
Column #6. Average Reading based on peak reading reduced by the Duty cycle correction
Column #7. Uncorrected readings from the spectrum analyzer with First Axis Rotation.
RP-8463A Rev. 1
Page 14 of 17
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Testing of the Mobius Bionics LLC, Model DKLU-10521-652, 2.4 GHz Transceiver
Column #8. Uncorrected readings from the spectrum analyzer with Second Axis Rotation.
Column #9. Uncorrected readings from the spectrum analyzer with Third Axis Rotation.
Column #10. Average Reading based on peak reading reduced by the Duty cycle correction
Column #11. Corr. Factors = Cable Loss – Preamp Gain + Antenna Factor
Column #12. Frequency of Tested Emission
Column #13. Highest peak field strength at listed frequency.
Column #14. Highest Average field strength at listed frequency.
Column #15. Peak Limit.
Column #16. Average Limit.
Column #17. The margin (last column) is the worst case margin under the peak or average limits for that row.
All emissions outside of the band from 2400 to 2483.5 were below the limits of 15.209.
No other Emissions were detected from 30 to 25,000 MHz within 10 dB of the limits.
Overall Judgment: Passed by at least 10 dB
Figure 2. Drawing of Radiated Emissions Setup
Chamber E, anechoic
Antenna
For Radiated
Emissions
EUT was standing on an 80
cm table below 1 GHz, and
a 150 cm table above 1
GHz. The table was on a
flush turntable
EUT
Notes:
 Not to Scale
 Antenna height varied 1-4 meters
 Distance from antenna to tested system is 3 meters
 AC cords not shown. They are connected to AC
outlet with low-pass filter on turntable
Frequency Range
30 to 200 MHz
200 to 1000 MHz
1 to 10 GHz
10 to 18 GHz
18 to 25 GHz
RP-8463A Rev. 1
Receive
Antenna
ANT-04
ANT-08
ANT-13
ANT-36
ANT-48
PreAmplifier
AMP-22
AMP-22
AMP-05
AMP-20
AMP-29
Preamp
Spectrum
Analyzer
Spectrum
Analyzer
REC-11
REC-11
REC-11
REC-11
REC-08; MXR-01
Page 15 of 17
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Testing of the Mobius Bionics LLC, Model DKLU-10521-652, 2.4 GHz Transceiver
11.3 Occupied Bandwidth Data
The occupied bandwidth of the RF output was measured using a spectrum analyzer. The bandwidth was
measured using the peak detector function and a narrow resolution bandwidth.
A broadband antenna was used to receive the modulated signal. The spectrum analyzer was set to the
MAX HOLD mode to record the worst case of the modulation. The spectrum analyzer display was digitized
and plotted. A limit was drawn on the plots based on the level of the modulated carrier. The plots of the
occupied bandwidth for the EUT are supplied on the following page.
Test Date: 11/18/2016
Tested by: Richard Tichgelaar
EUT
20 dB BW
EUT
MHz
MHz
MSP1
2405
4.494
MSP1
2445
3.293
MSP1
2480
3.033
3.333
MSP2
2405
3.133
MSP2
2445
3.443
MSP2
2480
Figure 3. Occupied Bandwidth Plots
MSP1; 2405 MHz
RP-8463A Rev. 1
MSP1; 2445 MHz
Page 16 of 17
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Testing of the Mobius Bionics LLC, Model DKLU-10521-652, 2.4 GHz Transceiver
MSP1; 2480 MHz
MSP1; 2405 MHz
MSP2; 2445 MHz
MSP2; 2480 MHz
11.3.1 Measurement Instrumentation Uncertainty
Measurement
Uncertainty
Conducted Emissions, LISN method, 150 kHz to 30 MHz
2.7 dB
Radiated Emissions, E-field, 3 meters, 30 to 200 MHz
3.3 dB
Radiated Emissions, E-field, 3 meters, 200 to 1000 MHz
4.9 dB
Radiated Emissions, E-field, 3 meters, 1 to 18 GHz
4.8 dB
Bandwidth using marker delta method at a span of 10 MHz
4 kHz
Temperature THM-02
0.6 Deg C
The uncertainties represent expanded uncertainties expressed at approximately the 95% confidence level
using a coverage factor of k=2 in accordance with CISPR 16-4-2.
RP-8463A Rev. 1
Page 17 of 17
Download: 10112 Prosthetic Arm Test Report Mobius Arm Report 8463A R1 Mobius Bionics LLC
Mirror Download [FCC.gov]10112 Prosthetic Arm Test Report Mobius Arm Report 8463A R1 Mobius Bionics LLC
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