TRX Systems WT12-1000 Bluetooth Module User Manual SAR Report Rev 1
TRX Systems, Inc. Bluetooth Module SAR Report Rev 1
Contents
- 1. SAR Report Rev 1
- 2. Users Manual for HOST Evaluated
SAR Report Rev 1
Reviewed by:
FCC ID: BXONEON-TU-1000 SAR EVALUATION REPORT
Quality Manager
Document S/N: Test Dates: DUT Type:
0Y1302070239-R1.BXO 05/22/2012 Portable Device
Page 1 of 18
© 2013 PCTEST Engineering Laboratory, Inc. REV 12.2 M
12/17/2013
Applicant Name: Date of Testing:
TRX Systems, Inc. 05/22/2012
7500 Greenway Center Drive, Suite 420 Test Site/Location:
Greenbelt, MD 20770 PCTEST Lab, Columbia, MD, USA
USA Document Serial No.:
0Y1302070239-R1.BXO
FCC ID: BXONEON-TU-1000
APPLICANT: TRX SYSTEMS, INC.
DUT Type: Portable Device
Application Type: Certification
FCC Rule Part(s): CFR §2.1093
Model(s):
Test Device Serial No.:
NEON-TU-1000
Pre-Production [S/N: RevC]
1 gm Body
(W/kg)
DTS 2.4 GHz CSS 2400 - 2483.5 MHz 19.33 0.12
DSS Bluetooth 2402 - 2480 MHz 3.46
0.25
SAR
Band & Mode Tx Frequency
Measured
Conducted
Power [dBm]
Simultaneous SAR per KDB 690783 D01v01r02:
Equipment
Class
N/
A
Note: Powers in the above table represent output powers for the SAR test configurations and may not represent the highest output powers for all
configurations for each mode.
Note: This revised test report (S/N: 0Y1302070239-R1.BXO) supersedes and replaces the previously issued test report on the same subject DUT for
the same type of testing indicated. Please discard or destroy the previously issued test report(s) and dispose of accordingly.
This wireless portable device has been shown to be capable of compliance for localized specific absorption rate (SAR) for uncontrolled
environment/general population exposure limits specified in ANSI/IEEE C95.1-1992 and has been tested in accordance with the measurement
procedures specified in Section 1.7 of this report; for North American frequency bands only.
I attest to the accuracy of data. All measurements reported herein were performed by me or were made under my supervision and are correct to the
best of my knowledge and belief. I assume full responsibility for the completeness of these measurements and vouch for the qualifications of all
persons taking them. Test results reported herein relate only to the item(s) tested.
PCTEST ENGINEERING LABORATORY, INC.
7185 Oakland Mills Road, Columbia, MD 21046 USA
Tel. +1.410.290.6652 / Fax +1.410.290.6654
http://www.pctestlab.com
SAR EVALUATION REPORT
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TABLE OF CONTENTS
1 DEVICE UNDER TEST ................................................................................................................... 3
2 INTRODUCTION ............................................................................................................................. 5
3 DOSIMETRIC ASSESSMENT ........................................................................................................ 6
4 RF EXPOSURE LIMITS .................................................................................................................. 7
5 RF CONDUCTED POWERS........................................................................................................... 8
6 SYSTEM VERIFICATION................................................................................................................ 9
7 SAR DATA SUMMARY ................................................................................................................. 11
8 FCC MULTI-TX AND ANTENNA SAR CONSIDERATIONS......................................................... 12
9 SAR MEASUREMENT VARIABILITY ........................................................................................... 13
10 EQUIPMENT LIST......................................................................................................................... 14
11 MEASUREMENT UNCERTAINTIES ............................................................................................ 15
12 CONCLUSION............................................................................................................................... 16
13 REFERENCES .............................................................................................................................. 17
APPENDIX A: SAR TEST PLOTS
APPENDIX B: SAR DIPOLE VERIFICATION PLOTS
APPENDIX C: PROBE AND DIPOLE CALIBRATION CERTIFICATES
APPENDIX D: SAR TISSUE SPECIFICATIONS
APPENDIX E: SAR SYSTEM VALIDATION
APPENDIX F: SAR TEST SETUP PHOTOGRAPHS
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1 DEVICE UNDER TEST
1.1 Device Overview
2.4 GHz CSS Data 2400 - 2483.5 MHz
Bluetooth Data 2402 - 2480 MHz
Band & Mode Tx FrequencyOperating Modes
1.2 Nominal and Maximum Output Power Specifications
This device operates using the following nominal output power specifications. SAR values were scaled to
the maximum allowed power to determine compliance per KDB Publication 447498 D01v05.
Maximum
Nominal
Maximum
Nominal
Bluetooth 4.0
ModulatedAverage
(dBm)
Mode/Band
2.4GHzCSS 21.0
20.0
4.0
1.3 DUT Antenna Locations
Note: Specific antenna dimensions and separation distances are shown in the antenna distance document.
Figure 1-1
DUT Antenna Locations
Bottom Edge
Top Edge
Right
Edge
Left
Edge
GPS Rx Only
Antenna
2.4 GHz CSS
Tx/Rx Antenna #2
2.4 GHz CSS
Tx/Rx Antenna #1
Front of Device
108 mm
69 mm
2.4 GHz BT
Tx/Rx Antenna
125 kHz
LF Transceiver
Bottom Edge
Top Edge
Right
Edge
Left
Edge
GPS Rx Only
Antenna
2.4 GHz CSS
Tx/Rx Antenna #2
2.4 GHz CSS
Tx/Rx Antenna #1
Front of Device
108 mm
69 mm
2.4 GHz BT
Tx/Rx Antenna
125 kHz
LF Transceiver
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1.4 Simultaneous Transmission Capabilities
According to FCC KDB Publication 447498 D05v01, transmitters are considered to be transmitting
simultaneously when there is overlapping transmission, with the exception of transmissions during
network hand-offs with maximum hand-off duration less than 30 seconds. Possible transmission paths for
the DUT are shown in Figure 1-2 and are color-coded to indicate communication modes which share the
same path. Modes which share the same transmission path cannot transmit simultaneously with one
another.
Figure 1-2
Simultaneous Transmission Paths
This device contains multiple transmitters that may operate simultaneously, and therefore requires a
simultaneous transmission analysis according to FCC KDB Publication 447498 D01v05 3) procedures.
Table 1-1
Simultaneous Transmission Scenarios
Body
KDB 447498
1 2.4 GHz CSS + 2.4 GHz Bluetooth Yes
No. Capable Transmit Configurations
1.5 SAR Test Exclusions Applied
Per FCC KDB 447498 D01 v05, the SAR exclusion threshold for distances <50mm is defined by the
following equation:
Based on the maximum conducted power of Bluetooth and the antenna to use separation distance,
Bluetooth SAR was not required; [(3/5)* √2.441] = 0.9 < 3.0.
The 125 kHz LF Transceiver is a Part 15.209 transmitter which is exempt from RF Exposure evaluation
per CFR 2.1093. The 125 kHz LF Transmitter can not co-transmit.
1.6 Power Reduction for SAR
There is no power reduction for any band/mode implemented in this device for SAR purposes.
1.7 Guidance Applied
FCC KDB Publication 447498 D01v05 (Portable Devices)
FCC KDB Publication 865664 DR01 (SAR Measurements up to 6 GHz)
Path 2
Bluetooth
Path 1
2.4 GHz CSS
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2 INTRODUCTION
The FCC and Industry Canada have adopted the guidelines for evaluating the environmental effects of
radio frequency (RF) radiation in ET Docket 93-62 on Aug. 6, 1996 and Health Canada Safety Code 6 to
protect the public and workers from the potential hazards of RF emissions due to FCC-regulated portable
devices. [1]
The safety limits used for the environmental evaluation measurements are based on the criteria published
by the American National Standards Institute (ANSI) for localized specific absorption rate (SAR) in
IEEE/ANSI C95.1-1992 Standard for Safety Levels with Respect to Human Exposure to Radio Frequency
Electromagnetic Fields, 3 kHz to 300 GHz [3] and Health Canada RF Exposure Guidelines Safety Code 6
[24]. The measurement procedure described in IEEE/ANSI C95.3-2002 Recommended Practice for the
Measurement of Potentially Hazardous Electromagnetic Fields - RF and Microwave [4] is used for
guidance in measuring the Specific Absorption Rate (SAR) due to the RF radiation exposure from the
Equipment Under Test (EUT). These criteria for SAR evaluation are similar to those recommended by the
International Committee for Non-Ionizing Radiation Protection (ICNIRP) in Biological Effects and
Exposure Criteria for Radiofrequency Electromagnetic Fields,” Report No. Vol 74. SAR is a measure of
the rate of energy absorption due to exposure to an RF transmitting source. SAR values have been
related to threshold levels for potential biological hazards.
2.1 SAR Definition
Specific Absorption Rate is defined as the time derivative (rate) of the incremental energy (dU) absorbed
by (dissipated in) an incremental mass (dm) contained in a volume element (dV) of a given density (). It
is also defined as the rate of RF energy absorption per unit mass at a point in an absorbing body (see
Equation 2-1).
Equation 2-1
SAR Mathematical Equation
SAR d
dt
dU
dm
d
dt
dU
dv
SAR is expressed in units of Watts per Kilogram (W/kg).
2
E
SAR
where:
= conductivity of the tissue-simulating material (S/m)
= mass density of the tissue-simulating material (kg/m3)
E = Total RMS electric field strength (V/m)
NOTE: The primary factors that control rate of energy absorption were found to be the wavelength of the incident field in relation to
the dimensions and geometry of the irradiated organism, the orientation of the organism in relation to the polarity of field vectors, the
presence of reflecting surfaces, and whether conductive contact is made by the organism with a ground plane.[6]
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3 DOSIMETRIC ASSESSMENT
3.1 Measurement Procedure
The evaluation was performed using the following procedure:
1. The SAR distribution at the exposed side of the head or body
was measured at a distance no greater than 5.0 mm from the
inner surface of the shell. The area covered the entire dimension
of the device-head and body interface and the horizontal grid
resolution was determined per FCC KDB Publication 865664
DR01 (See Table 3-1).
2. The point SAR measurement was taken at the maximum SAR
region determined from Step 1 to enable the monitoring of SAR
fluctuations/drifts during the 1g/10g cube evaluation. SAR at this
fixed point was measured and used as a reference value.
3. Based on the area scan data, the peak of the region with maximum SAR was determined by
spline interpolation. Around this point, a volume was assessed according to the measurement
resolution and volume size requirements of FCC KDB Publication 865664 DR01 (See Table 3-1).
On the basis of this data set, the spatial peak SAR value was evaluated with the following
procedure (see references or the DASY manual online for more details):
a. The data was extrapolated to the surface of the outer-shell of the phantom. The
combined distance extrapolated was the combined distance from the center of the dipoles 2.7mm
away from the tip of the probe housing plus the 1.2 mm distance between the surface and the
lowest measuring point. The extrapolation was based on a least-squares algorithm. A polynomial
of the fourth order was calculated through the points in the z-axis (normal to the phantom shell).
b. After the maximum interpolated values were calculated between the points in the cube,
the SAR was averaged over the spatial volume (1g or 10g) using a 3D-Spline interpolation
algorithm. The 3D-spline is composed of three one-dimensional splines with the “Not a knot”
condition (in x, y, and z directions). The volume was then integrated with the trapezoidal
algorithm. One thousand points (10 x 10 x 10) were obtained through interpolation, in order to
calculate the averaged SAR.
c. All neighboring volumes were evaluated until no neighboring volume with a higher
average value was found.
4. The SAR reference value, at the same location as step 2, was re-measured after the zoom scan
was complete to calculate the SAR drift. If the drift deviated by more than 5%, the SAR test and
drift measurements were repeated.
Table 3-1
Area and Zoom Scan Resolutions per FCC KDB Publication 865664 DR01
UniformGri d
∆z
zoom
(n) ∆z
zoom
(1)* ∆z
zoom
(n>1)*
≤2GHz ≤15 ≤8≤5≤4≤1.5*∆z
zoom
(n‐1) ≥30
2‐3GHz ≤12 ≤5≤5≤4≤1.5*∆z
zoom
(n‐1) ≥30
3‐4GHz ≤12 ≤5≤4≤3≤1.5*∆z
zoom
(n‐1) ≥28
4‐5GHz ≤10 ≤4≤3≤2.5 ≤1.5*∆z
zoom
(n‐1) ≥25
5‐6GHz ≤10 ≤4≤2≤2≤1.5*∆z
zoom
(n‐1) ≥22
Mini mumZoomScan
Volume(mm)
(x,y,z)
Maxi mumZoomScanSpatial
Resolution(mm)
GradedGrid
Frequency
Maxi mumAreaScan
Resolution(mm)
(∆x
area
,∆y
area
)
Maxi mumZoomScan
Resolution(mm)
(∆x
zoom
,∆y
zoom
)
Figure 3-1
Sample SAR Area Scan
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4 RF EXPOSURE LIMITS
4.1 Uncontrolled Environment
UNCONTROLLED ENVIRONMENTS are defined as locations where there is the exposure of individuals
who have no knowledge or control of their exposure. The general population/uncontrolled exposure limits
are applicable to situations in which the general public may be exposed or in which persons who are
exposed as a consequence of their employment may not be made fully aware of the potential for
exposure or cannot exercise control over their exposure. Members of the general public would come
under this category when exposure is not employment-related; for example, in the case of a wireless
transmitter that exposes persons in its vicinity.
4.2 Controlled Environment
CONTROLLED ENVIRONMENTS are defined as locations where there is exposure that may be incurred
by persons who are aware of the potential for exposure, (i.e. as a result of employment or occupation). In
general, occupational/controlled exposure limits are applicable to situations in which persons are exposed
as a consequence of their employment, who have been made fully aware of the potential for exposure
and can exercise control over their exposure. This exposure category is also applicable when the
exposure is of a transient nature due to incidental passage through a location where the exposure levels
may be higher than the general population/uncontrolled limits, but the exposed person is fully aware of
the potential for exposure and can exercise control over his or her exposure by leaving the area or by
some other appropriate means.
Table 4-1
SAR Human Exposure Specified in ANSI/IEEE C95.1-1992 and Health Canada Safety Code 6
1. The Spatial Peak value of the SAR averaged over any 1 gram of tissue (defined as a tissue volume in the shape of a cube)
and over the appropriate averaging time.
2. The Spatial Average value of the SAR averaged over the whole body.
3. The Spatial Peak value of the SAR averaged over any 10 grams of tissue (defined as a tissue volume in the shape of a
cube) and over the appropriate averaging time.
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5 RF CONDUCTED POWERS
5.1 CSS Conducted Powers
Table 5-1
Average RF Conducted Power
Mode Freq.
[MHz]
Bandwidth
[MHz] Antenna Conducted
Power [dBm]
CSS 2441.75 80 1 19.33
CSS 2441.75 80 2 19.33
Note: The DUT was configured to transmit continuously during conducted power measurement.
Figure 5-1
Power Measurement Setup
Power Meter Wireless
Device
RF Connector
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6 SYSTEM VERIFICATION
6.1 Tissue Verification
Table 6-1
Measured Tissue Properties
Calibrated for
Tests
Performed on:
Tissue
Type
Tissue Temp
During Calibration
(C˚)
Measured
Frequency
(MHz)
Measured
Conductivity,
σ (S/m)
Measured
Dielectric
Constant, ε
TARGET
Conductivity,
σ (S/m)
TARGET
Dielectric
Constant, ε
% dev σ% dev ε
2401 1.979 54.91 1.903 52.765 3.99% 4.07%
2450 2.043 54.77 1.950 52.700 4.77% 3.93%
2499 2.112 54.53 2.019 52.638 4.61% 3.59%
5/22/2012
2450B 23.0
The above measured tissue parameters were used in the DASY software. The DASY software was used
to perform interpolation to determine the dielectric parameters at the SAR test device frequencies (per
IEEE 1528 6.6.1.2). The tissue parameters listed in the SAR test plots may slightly differ from the table
above due to significant digit rounding in the software.
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6.2 Test System Verification
Prior to SAR assessment, the system is verified to ±10% of the SAR measurement on the reference dipole at the time
of calibration by the calibration facility.
Table 6-3
System Verification Results
2450 Body 05/22/2012 23.8 22.3 0.040 719 3022 1.97 51.300 49.250 -4.00%
Input
Power
(W)
Tissue
Frequency
(MHz)
Measured
SAR
1g
(W/kg)
Tissue
Type
System Verification
TARGET & MEASURED
Date: Amb.
Temp (°C)
Liquid
Temp (°C)
Deviation
(%)
1 W Target
SAR
1g
(W/kg)
1 W
Normalized
SAR
1g
(W/kg)
Dipole
SN
Probe
SN
Note: Full system validation status and results can be found in Appendix E.
Figure 6-1
System Verification Setup Diagram
Figure 6-2
System Verification Setup Photo
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7 SAR DATA SUMMARY
7.1 Standalone Body SAR Data
Table 7-1
Standalone Body SAR
SAR (1g) Scaled SAR
(1g)
MHz (W/kg) (W/kg)
2441.75 CSS 21.0 19.33 -0.01 0 mm back 1:1 0.082 1.469 0.120 A1
2441.75 CSS 21.0 19.33 -0.07 0 mm back 1:1 0.016 1.469 0.023 A3
averaged over 1 gram
Spatial Peak
Uncontrolled Exposure/General Population
Side Duty
Cycle
Scaling
Factor Plot #
ANSI / IEEE C95.1 1992 - SAFETY LIMIT Body
1.6 W/kg (mW/g)
Spacing
MEASUREMENT RESULTS
FREQUENCY Mode Maximum Allowed
Power [dBm]
Conducted
Power
[dBm]
Power Drift
[dB]
7.2 SAR Test Notes
General Notes:
1. The test data reported are the worst-case SAR values according to test procedures specified in
FCC KDB Publication 447498 D01v05.
2. Batteries are fully charged at the beginning of the SAR measurements. The standard battery was
used for all SAR measurements and will be the only battery available with this DUT.
3. Liquid tissue depth was at least 15.0 cm for all frequencies.
4. The manufacturer has confirmed that the device(s) tested have the same physical, mechanical
and thermal characteristics and are within operational tolerances expected for production units.
5. SAR results were scaled to the maximum allowed power to demonstrate compliance per FCC
KDB Publication 447498 D01v05.
6. Per FCC KDB 865664 DR01, variability SAR tests were performed when the measured SAR
results for a frequency band were greater than 0.8 W/kg. Repeated SAR measurements are
highlighted in the tables above for clarity. Please see Section 9 for variability analysis.
7. A Z-axis plot for worst case configuration was included in Appendix A to confirm 15cm depth as
well as the first 2 measurements are within 1cm of the surface.
8. DASY4 applies a boundary effect compensation algorithm during SAR evaluation.
9. Software provided by the manufacturer was used to configure device during SAR tests. A
spectrum analyzer was used to verify 2.4 GHz CSS transmission.
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8 FCC MULTI-TX AND ANTENNA SAR CONSIDERATIONS
8.1 Introduction
The following procedures adopted from FCC KDB Publication 447498 D01v05 are applicable to handsets
with built-in unlicensed transmitters such as 802.11a/b/g/n and Bluetooth devices which may
simultaneously transmit with the another transmitter.
8.2 Simultaneous Transmission Procedures
This device contains transmitters that may operate simultaneously. Therefore simultaneous transmission
analysis is required. Per FCC KDB 447498 D01v05 IV.C.1.iii, simultaneous transmission SAR test
exclusion may be applied when the sum of the 1-g SAR for all the simultaneous transmitting antennas in
a specific a physical test configuration is ≤1.6 W/kg. When standalone SAR is not required to be
measured, per FCC KDB 447498 D01v05 4.3.2 2), the following equation must be used to estimate the
standalone 1g SAR for simultaneous transmission assessment involving that transmitter.
Table 8-1
Estimated SAR
Frequency
Maximum
Allowed
Power
Separation
Distance
(Body)
Estimated
SAR
(Body)
[MHz] [dBm] [mm] [W/kg]
Bluetooth 2441 4.00 5 0.125
Mode
8.3 Body SAR Simultaneous Transmission Analysis
Table 8-2
Simultaneous Transmission Scenario with 2.4 GHz Bluetooth
CSS SAR
(W/kg)
Bluetooth
SAR
(W/kg)
Back Side 0.120 0.125 0.245
Configuration Σ SAR
(W/kg)
8.3 Simultaneous Transmission Conclusion
The above numerical summed SAR results for all the worst-case simultaneous transmission conditions
were below the SAR limit. Therefore, the above analysis is sufficient to determine that simultaneous
transmission cases will not exceed the SAR limit and therefore no measured volumetric simultaneous
SAR summation is required per FCC KDB Publication 447498 D01_v05.
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9 SAR MEASUREMENT VARIABILITY
9.1 Measurement Variability
Per FCC KDB Publication 865664 DR01, SAR measurement variability was assessed for each frequency
band, which was determined by the SAR probe calibration point and tissue-equivalent medium used for
the device measurements. When both head and body tissue-equivalent media were required for SAR
measurements in a frequency band, the variability measurement procedures were applied to the tissue
medium with the highest measured SAR, using the highest measured SAR configuration for that tissue-
equivalent medium. These additional measurements were repeated after the completion of all
measurements requiring the same head or body tissue-equivalent medium in a frequency band. The test
device was returned to ambient conditions (normal room temperature) with the battery fully charged
before it was re-mounted on the device holder for the repeated measurement(s) to minimize any
unexpected variations in the repeated results.
SAR Measurement Variability was assessed using the following procedures for each frequency band:
1) When the original highest measured SAR is ≥ 0.80 W/kg, the measurement was repeated once.
2) A second repeated measurement was preformed only if the ratio of largest to smallest SAR for the
original and first repeated measurements was > 1.20 or when the original or repeated
measurement was ≥ 1.45 W/kg (~ 10% from the 1-g SAR limit).
3) A third repeated measurement was performed only if the original, first or second repeated
measurement was ≥ 1.5 W/kg and the ratio of largest to smallest SAR for the original, first and
second repeated measurements is > 1.20.
4) Repeated measurements are not required when the original highest measured SAR is < 0.80 W/kg.
Since the highest measured SAR for this device was < 0.8 W/kg, measurement variability was not
assessed.
9.2 Measurement Uncertainty
The measured SAR was <1.5 W/kg for all frequency bands. Therefore, per KDB Publication 865664
DR01, the extended measurement uncertainty analysis per IEEE 1528-2003 was not required.
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10 EQUIPMENT LIST
Manufacturer Model Description Cal Date Cal Interval Cal Due Serial Number
Agilent 8594A (9kHz-2.9GHz) Spectrum Analyzer N/A N/A N/A 3051A00187
Agilent 8648D (9kHz-4GHz) Signal Generator 10/10/2011 Annual 10/10/2012 3613A00315
Agilent 8753E (30kHz-6GHz) Network Analyzer 4/4/2012 Annual 4/4/2013 JP38020182
Gigatronics 80701A (0.05-18GHz) Power Sensor 10/12/2011 Annual 10/12/2012 1833460
Gigatronics 8651A Universal Power Meter 10/12/2011 Annual 10/12/2012 8650319
Pasternack PE2208-6 Bidirectional Coupler 6/3/2011 Annual 6/3/2012 N/A
Pasternack PE2209-10 Bidirectional Coupler 6/3/2011 Annual 6/3/2012 N/A
Rohde & Schwarz NRVD Dual Channel Power Meter 4/8/2011 Biennial 4/8/2013 101695
SPEAG D2450V2 2450 MHz SAR Dipole 8/19/2011 Annual 8/19/2012 719
SPEAG DAE4 Dasy Data Acquisition Electronics 4/19/2012 Annual 4/19/2013 665
SPEAG ES3DV2 SAR Probe 8/25/2011 Annual 8/25/2012 3022
Anritsu MA2481A Power Sensor 2/14/2012 Annual 2/14/2013 5318
Anritsu MA2481A Power Sensor 2/14/2012 Annual 2/14/2013 5442
Anritsu ML2438A Power Meter 10/13/2011 Annual 10/13/2012 1070030
Anritsu MA2481A Power Sensor 2/14/2012 Annual 2/14/2013 2400
Anritsu MA2411B Pulse Sensor 10/13/2011 Annual 10/13/2012 1027293
Anritsu ML2495A Power Meter 10/13/2011 Annual 10/13/2012 1039008
Amplifier Research 5S1G4 5W, 800MHz-4.2GHz CBT N/A CBT 21910
Mini-Circuits BW -N20W5+ DC to 18 GHz Precision Fixed 20 dB Attenuator CBT N/A CBT N/A
Control Company 61220-416 Long-Stem Thermometer 2/15/2011 Biennial 2/15/2013 111331322
VW R 36934-158 Wall-Mounted Thermometer 1/21/2011 Biennial 1/21/2013 111286454
MiniCircuits SLP-2400+ Low Pass Filter CBT N/A CBT R8979500903
Narda 4772-3 Attenuator (3dB) CBT N/A CBT 9406
Narda BW-S3W2 Attenuator (3dB) CBT N/A CBT 120
Mini-Circuits NLP-2950+ Low Pass Filter DC to 2700 MHz CBT N/A CBT N/A
Agilent 85070E Dielectric Probe Kit 3/8/2012 Annual 3/8/2013 MY44300633
Seekonk NC-100 Torque Wrench (8" lb) 11/29/2011 Triennial 11/29/2014 21053
Speag DAK-3.5 Dielectric Assessment Kit 12/1/2011 Annual 12/1/2012 1031
Narda 4014C-6 4 - 8 GHz SMA 6 dB Directional Coupler CBT N/A CBT N/A
MCL BW-N6W5+ 6dB Attenuator CBT N/A CBT 1139
Intelligent Weigh PD-3000 Electronic Balance 3/27/2012 Annual 3/27/2013 11081534
Control Company 36934-158 Wall-Mounted Thermometer 1/4/2012 Biennial 1/4/2014 122014488
Control Company 61220-416 Long-Stem Thermometer 10/12/2011 Biennial 10/12/2013 111860820
Seekonk NC-100 Torque Wrench (8" lb) 3/5/2012 Triennial 3/5/2015 N/A
Seekonk NC-100 Torque Wrench (8" lb) 3/5/2012 Triennial 3/5/2015 N/A
COMTECH AR85729-5/5759B Solid State Amplifier CBT N/A CBT M3W1A00-1002
Note: CBT (Calibrated Before Testing). Prior to testing, the measurement paths containing a cable, amplifier, attenuator, coupler or filter were
connected to a calibrated source (i.e. a signal generator) to determine the losses of the measurement path. The power meter offset was then adjusted
to compensate for the measurement system losses. This level offset is stored within the power meter before measurements are made. This calibration
verification procedure applies to the system verification and output power measurements. The calibrated reading is then taken directly from the power
meter after compensation of the losses for all final power measurements.
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11 MEASUREMENT UNCERTAINTIES
a b c d e= f g h = i = k
f(d,k) c x f/e c x g/e
Uncertainty Tol. Prob. cici1gm 10gms
Component (± %) Dist. Div. 1gm 10 gms ui ui vi
(± %) (± %)
Measurement System
Probe Calibration E.2.1 6.0 N 1 1.0 1.0 6.0 6.0 ∞
Axial Isotropy E.2.2 0.25 N 1 0.7 0.7 0.2 0.2 ∞
Hemishperical Isotropy E.2.2 1.3 N 1 1.0 1.0 1.3 1.3 ∞
Boundary Effect E.2.3 0.4 N 1 1.0 1.0 0.4 0.4 ∞
Linearity E.2.4 0.3 N 1 1.0 1.0 0.3 0.3 ∞
System Detection Limits E.2.5 5.1 N 1 1.0 1.0 5.1 5.1 ∞
Readout Electronics E.2.6 1.0 N 1 1.0 1.0 1.0 1.0 ∞
Response Time E.2.7 0.8 R 1.73 1.0 1.0 0.5 0.5 ∞
Integration Time E.2.8 2.6 R 1.73 1.0 1.0 1.5 1.5 ∞
RF Ambient Conditions E.6.1 3.0 R 1.73 1.0 1.0 1.7 1.7 ∞
Probe Positioner Mechanical Tolerance E.6.2 0.4 R 1.73 1.0 1.0 0.2 0.2 ∞
Probe Positioning w/ respect to Phantom E.6.3 2.9 R 1.73 1.0 1.0 1.7 1.7 ∞
Extrapolation, Interpolation & Integration algorithms for
Max. SAR Evaluation E.5 1.0 R 1.73 1.0 1.0 0.6 0.6 ∞
Test Sample Related
Test Sample Positioning E.4.2 6.0 N 1 1.0 1.0 6.0 6.0 287
Device Holder Uncertainty E.4.1 3.32 R 1.73 1.0 1.0 1.9 1.9 ∞
Output Power Variation - SAR drift measurement 6.6.2 5.0 R 1.73 1.0 1.0 2.9 2.9 ∞
Phantom & Tissue Parameters
Phantom Uncertainty (Shape & Thickness tolerances) E.3.1 4.0 R 1.73 1.0 1.0 2.3 2.3 ∞
Liquid Conductivity - deviation from target values E.3.2 5.0 R 1.73 0.64 0.43 1.8 1.2 ∞
Liquid Conductivity - measurement uncertainty E.3.3 3.8 N 1 0.64 0.43 2.4 1.6 6
Liquid Permittivity - deviation from target values E.3.2 5.0 R 1.73 0.60 0.49 1.7 1.4 ∞
Liquid Permittivity - measurement uncertainty E.3.3 4.5 N 1 0.60 0.49 2.7 2.2 6
Combined Standard Uncertainty (k=1) RSS 12.1 11.7 299
Expanded Uncertainty k=2 24.2 23.5
(95% CONFIDENCE LEVEL)
IEEE
1528
Sec.
The above measurement uncertainties are according to IEEE Std. 1528-2003
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12 CONCLUSION
12.1 Measurement Conclusion
The SAR evaluation indicates that the DUT complies with the RF radiation exposure limits of the FCC and
Industry Canada, with respect to all parameters subject to this test. These measurements were taken to
simulate the RF effects of RF exposure under worst-case conditions. Precise laboratory measures were
taken to assure repeatability of the tests. The results and statements relate only to the item(s) tested.
Please note that the absorption and distribution of electromagnetic energy in the body are very complex
phenomena that depend on the mass, shape, and size of the body, the orientation of the body with
respect to the field vectors, and the electrical properties of both the body and the environment. Other
variables that may play a substantial role in possible biological effects are those that characterize the
environment (e.g. ambient temperature, air velocity, relative humidity, and body insulation) and those that
characterize the individual (e.g. age, gender, activity level, debilitation, or disease). Because various
factors may interact with one another to vary the specific biological outcome of an exposure to
electromagnetic fields, any protection guide should consider maximal amplification of biological effects as
a result of field-body interactions, environmental conditions, and physiological variables. [3]
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13 REFERENCES
[1] Federal Communications Commission, ET Docket 93-62, Guidelines for Evaluating the Environmental Effects of
Radiofrequency Radiation, Aug. 1996.
[2] ANSI/IEEE C95.1-2005, American National Standard safety levels with respect to human exposure to radio
frequency electromagnetic fields, 3kHz to 300GHz, New York: IEEE, 2006.
[3] ANSI/IEEE C95.1-1992, American National Standard safety levels with respect to human exposure to radio
frequency electromagnetic fields, 3kHz to 300GHz, New York: IEEE, Sept. 1992.
[4] ANSI/IEEE C95.3-2002, IEEE Recommended Practice for the Measurement of Potentially Hazardous
Electromagnetic Fields - RF and Microwave, New York: IEEE, December 2002.
[5] Federal Communications Commission, OET Bulletin 65 (Edition 97-01), Supplement C (Edition 01-01),
Evaluating Compliance with FCC Guidelines for Human Exposure to Radiofrequency Electromagnetic Fields,
June 2001.
[6] IEEE Standards Coordinating Committee 34 – IEEE Std. 1528-2003, Recommended Practice for Determining
the Peak Spatial-Average Specific Absorption Rate (SAR) in the Human Body Due to Wireless Communications
Devices.
[7] NCRP, National Council on Radiation Protection and Measurements, Biological Effects and Exposure Criteria
for RadioFrequency Electromagnetic Fields, NCRP Report No. 86, 1986. Reprinted Feb. 1995.
[8] T. Schmid, O. Egger, N. Kuster, Automated E-field scanning system for dosimetric assessments, IEEE
Transaction on Microwave Theory and Techniques, vol. 44, Jan. 1996, pp. 105-113.
[9] K. Pokovic, T. Schmid, N. Kuster, Robust setup for precise calibration of E-field probes in tissue simulating
liquids at mobile communications frequencies, ICECOM97, Oct. 1997, pp. -124.
[10] K. Pokovic, T. Schmid, and N. Kuster, E-field Probe with improved isotropy in brain simulating liquids,
Proceedings of the ELMAR, Zadar, Croatia, June 23-25, 1996, pp. 172-175.
[11] Schmid & Partner Engineering AG, Application Note: Data Storage and Evaluation, June 1998, p2.
[12] V. Hombach, K. Meier, M. Burkhardt, E. Kuhn, N. Kuster, The Dependence of EM Energy Absorption upon
Human Modeling at 900 MHz, IEEE Transaction on Microwave Theory and Techniques, vol. 44 no. 10, Oct.
1996, pp. 1865-1873.
[13] N. Kuster and Q. Balzano, Energy absorption mechanism by biological bodies in the near field of dipole
antennas above 300MHz, IEEE Transaction on Vehicular Technology, vol. 41, no. 1, Feb. 1992, pp. 17-23.
[14] G. Hartsgrove, A. Kraszewski, A. Surowiec, Simulated Biological Materials for Electromagnetic Radiation
Absorption Studies, University of Ottawa, Bioelectromagnetics, Canada: 1987, pp. 29-36.
[15] Q. Balzano, O. Garay, T. Manning Jr., Electromagnetic Energy Exposure of Simulated Users of Portable
Cellular Telephones, IEEE Transactions on Vehicular Technology, vol. 44, no.3, Aug. 1995.
[16] W. Gander, Computermathematick, Birkhaeuser, Basel, 1992.
[17] W.H. Press, S.A. Teukolsky, W.T. Vetterling, and B.P. Flannery, Numerical Recipes in C, The Art of Scientific
Computing, Second edition, Cambridge University Press, 1992.
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12/17/2013
[18] Federal Communications Commission, OET Bulletin 65, Evaluating Compliance with FCC Guidelines for Human
Exposure to Radiofrequency Electromagnetic Fields. Supplement C, Dec. 1997.
[19] N. Kuster, R. Kastle, T. Schmid, Dosimetric evaluation of mobile communications equipment with known
precision, IEEE Transaction on Communications, vol. E80-B, no. 5, May 1997, pp. 645-652.
[20] CENELEC CLC/SC111B, European Prestandard (prENV 50166-2), Human Exposure to Electromagnetic Fields
High-frequency: 10kHz-300GHz, Jan. 1995.
[21] Prof. Dr. Niels Kuster, ETH, Eidgenössische Technische Hoschschule Zürich, Dosimetric Evaluation of the
Cellular Phone.
[22] IEC 62209-1, Human exposure to radio frequency fields from hand-held and body-mounted wireless
communication devices - Human models, instrumentation, and procedures - Part 1: Procedure to determine the
specific absorption rate (SAR) for hand-held devices used in close proximity to the ear (frequency range of 300
MHz to 3 GHz), Feb. 2005.
[23] Industry Canada RSS-102 Radio Frequency Exposure Compliance of Radiocommunication Apparatus (All
Frequency Bands) Issue 4, March 2010.
[24] Health Canada Safety Code 6 Limits of Human Exposure to Radio Frequency Electromagnetic Fields in the
Frequency Range from 3 kHz – 300 GHz, 2009
[25] FCC Public Notice DA-02-1438. Office of Engineering and Technology Announces a Transition Period for the
Phantom Requirements of Supplement C to OET Bulletin 65, June 19, 2002
[26] FCC SAR Test Procedures for 2G-3G Devices, Mobile Hotspot and UMPC Devices KDB Publications 941225,
D01-D07
[27] SAR Measurement procedures for IEEE 802.11a/b/g KDB Publication 248227 D01v01r02
[28] FCC SAR Considerations for Handsets with Multiple Transmitters and Antennas, KDB Publications 648474
D02-D04
[29] FCC SAR Evaluation Considerations for Laptop, Notebook, Netbook and Tablet Computers, FCC KDB
Publication 616217 D04
[30] FCC SAR Measurement and Reporting Requirements for 100MHz – 6 GHz, KDB Publications 865664 DR01
[31] FCC General RF Exposure Guidance and SAR Procedures for Dongles, KDB Publication 447498, D01-D02
[32] Anexo à Resolução No. 533, de 10 de Septembro de 2009.
[33] IEC 62209-2, Human exposure to radio frequency fields from hand-held and body-mounted wireless
communication devices - Human models, instrumentation, and procedures - Part 2: Procedure to determine the
specific absorption rate (SAR) for wireless communication devices used in close proximity to the human body
(frequency range of 30 MHz to 6 GHz), Mar. 2010.
© 2013 PCTEST Engineering Laboratory, Inc.
APPENDIX A: SAR TEST DATA
PCTEST ENGINEERING LABORATORY, INC.
DUT: BXONEON-TU-1000; Type: Portable Device; Serial: RevC
Communication System: CSS; Frequency: 24 MHz;Duty Cycle: 1:1
Medium: 2450 Body Medium parameters used (interpolated):
f = 24 MHz; σ = 2.026 mho/m; εr = 54.807; ρ = 1000 kg/m3
Phantom section: Flat Section; Space: 0.0 cm
Test Date: 05-22-2012; Ambient Temp: 23.8°C; Tissue Temp: 22.3°C
Probe: ES3DV2 - SN3022; ConvF(4.01, 4.01, 4.01); Calibrated: 8/25/2011
Sensor-Surface: 3mm (Mechanical Surface Detection)
Electronics: DAE4 Sn665; Calibrated: 4/19/2012
Phantom: SAM with CRP; Type: SAM; Serial: TP1375
Measurement SW: DASY4, Version 4.7 (80);SEMCAD X Version 14.6.4 (4989)
Mode: CSS, Body SAR, Back Side, Antenna #1
Area Scan (10x13x1): Measurement grid: dx=12mm, dy=12mm
Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm
Reference Value = 6.627 V/m; Power Drift = -0.01 dB
Peak SAR (extrapolated) = 0.1430
SAR(1 g) = 0.082 mW/g; SAR(10 g) = 0.047 mW/g
0 dB = 0.100mW/g = -20.00 dB mW/g
A1
DUT: BXONEON-TU-1000; Type: Portable Device; Serial: RevC
Communication System: CSS; Frequency: 2441.75 MHz;Duty Cycle: 1:1
Medium: 2450 Body Medium parameters used (interpolated):
f = 2441.75 MHz; σ = 2.026 S/m; εr = 54.807; ρ = 1000 kg/m3
Phantom section: Flat Section; Space: 0.0 cm
Test Date: 05-22-2012; Ambient Temp: 23.8°C; Tissue Temp: 22.3°C
Probe: ES3DV2 - SN3022; ConvF(4.01, 4.01, 4.01); Calibrated: 8/25/2011;
Sensor-Surface: 3mm (Mechanical Surface Detection)
Electronics: DAE4 Sn665; Calibrated: 4/19/2012
Phantom: SAM with CRP; Type: SAM; Serial: TP1375
Measurement SW: DASY4, Version 4.7 (80); SEMCAD X Version 14.6.4 (4989)
Mode: CSS, Body SAR, Back Side, Antenna #1
Area Scan (10x13x1): Measurement grid: dx=12mm, dy=12mm
Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm
Reference Value = 6.627 V/m; Power Drift = -0.01 dB
Peak SAR (extrapolated) = 0.1430
SAR(1 g) = 0.082 W/kg; SAR(10 g) = 0.047 W/kg
A2
PCTEST ENGINEERING LABORATORY, INC.
DUT: BXONEON-TU-1000; Type: Portable Device; Serial: RevC
Communication System: CSS; Frequency: 24 MHz;Duty Cycle: 1:1
Medium: 2450 Body Medium parameters used (interpolated):
f = 24 MHz; σ = 2.026 mho/m; εr = 54.807; ρ = 1000 kg/m3
Phantom section: Flat Section; Space: 0.0 cm
Test Date: 05-22-2012; Ambient Temp: 23.8°C; Tissue Temp: 22.3°C
Probe: ES3DV2 - SN3022; ConvF(4.01, 4.01, 4.01); Calibrated: 8/25/2011
Sensor-Surface: 3mm (Mechanical Surface Detection)
Electronics: DAE4 Sn665; Calibrated: 4/19/2012
Phantom: SAM with CRP; Type: SAM; Serial: TP1375
Measurement SW: DASY4, Version 4.7 (80);SEMCAD X Version 14.6.4 (4989)
Mode: CSS, Body SAR, Back Side, Antenna #2
Area Scan (10x13x1): Measurement grid: dx=12mm, dy=12mm
Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm
Reference Value = 2.964 V/m; Power Drift = -0.07 dB
Peak SAR (extrapolated) = 0.0290
SAR(1 g) = 0.016 mW/g; SAR(10 g) = 0.00857 mW/g
0 dB = 0.020mW/g = -33.98 dB mW/g
A3
© 2013 PCTEST Engineering Laboratory, Inc.
APPENDIX B: SYSTEM VERIFICATION
PCTEST ENGINEERING LABORATORY, INC.
DUT: SAR Dipole 2450 MHz; Type: D2450V2; Serial: 719
Communication System: CW; Frequency: 2450 MHz;Duty Cycle: 1:1
Medium: 2450 Body Medium parameters used:
f = 2450 MHz; σ = 2.043 mho/m; εr = 54.77; ρ = 1000 kg/m3
Phantom section: Flat Section; Space: 1.0 cm
Test Date: 05-22-2012; Ambient Temp: 23.8°C; Tissue Temp: 22.3°C
Probe: ES3DV2 - SN3022; ConvF(4.01, 4.01, 4.01); Calibrated: 8/25/2011
Sensor-Surface: 3mm (Mechanical Surface Detection)
Electronics: DAE4 Sn665; Calibrated: 4/19/2012
Phantom: SAM with CRP; Type: SAM; Serial: TP1375
Measurement SW: DASY4, Version 4.7 (80); SEMCAD X Version 14.6.4 (4989)
2450MHz System Verification
Area Scan (5x7x1): Measurement grid: dx=12mm, dy=12mm
Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm
Input Power = 16 dBm (40 mW)
Peak SAR (extrapolated) = 4.06 W/kg
SAR(1 g) = 1.97 mW/g; SAR(10 g) = 0.920 mW/g
Deviation = -4.00 %
0 dB = 2.53mW/g
B1
© 2013 PCTEST Engineering Laboratory, Inc.
APPENDIX C: PROBE CALIBRATION
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Appendix D
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12/17/2013
APPENDIX D: SAR TISSUE SPECIFICATIONS
Measurement Procedure for Tissue verification:
1) The network analyzer and probe system was configured and calibrated.
2) The probe was immersed in the tissue. The tissue was placed in a nonmetallic container.
Trapped air bubbles beneath the flange were minimized by placing the probe at a slight
angle.
3) The complex admittance with respect to the probe aperture was measured
4) The complex relative permittivity ε’
can be calculated from the below equation
(Pournaropoulos and Misra):
b
a
b
a
rr ddd
r
rj
ab
j
Y
0
2/1
0
'
0
2
0)(exp
cos
ln
2
where Y is the admittance of the probe in contact with the sample, the primed and unprimed coordinates
refer to source and observation points, respectively,
cos2
222
r,
is the angular frequency,
and 1j.
Table D-I
Composition of the Tissue Equivalent Matter
Frequency (MHz) 2450
Tissue Body
Ingredients (% by weight)
DGBE 26.7
NaCl 0.1
Water 73.2
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Appendix E
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12/17/2013
APPENDIX E: SAR SYSTEM VALIDATION
Per FCC KDB 865664 DR01, SAR system validation status should be documented to confirm
measurement accuracy. The SAR systems (including SAR probes, system components and software
versions) used for this device were validated against its performance specifications prior to the SAR
measurements. Reference dipoles were used with the required tissue- equivalent media for system
validation, according to the procedures outlined in IEEE 1528-2003 and FCC KDB 865664 DR01. Since
SAR probe calibrations are frequency dependent, each probe calibration point was validated at a
frequency within the valid frequency range of the probe calibration point, using the system that normally
operates with the probe for routine SAR measurements and according to the required tissue-equivalent
media.
A tabulated summary of the system validation status including the validation date(s), measurement
frequencies, SAR probes and tissue dielectric parameters has been included.
Table E-I
SAR System Validation Summary – KDB 865664 DR01
COND. PERM.
(σ)(ε
r
)SENSI-
TIVITY
PROBE
LINEARITY
PROBE
ISOTROPY
B 2450 5/22/2012 3022 ES3DV2 2450 Body 2.043 54.77 PASS PASS PASS
CW VALIDATION
SAR
SYSTEM
#
FREQ.
[MHz] DATE PROBE
SN
PROBE
TYPE PROBE CAL. POINT
Table E-2
SAR System Validation Summary – IEEE 1528-2003
COND. PERM.
(σ)(ε
r
)SENSI-
TIVITY
EXTRAPO
LATION
PROBE
LINEARITY
SYSTEM
OFFSET
PROBE
ISOTROPY
DUTY
FACTOR PAR
B 2450 5/22/2012 3022 ES3DV2 2450 Body 2.043 54.77 PASS PASS PASS PASS PASS 0.1 PASS
PROBE
TYPE PROBE CAL. POINT
CW VALIDATION MOD. VALIDATION
SAR
SYSTEM
#
FREQ.
[MHz] DATE PROBE
SN
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Appendix F
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12/17/2013
APPENDIX F: SAR TEST SETUP PHOTOGRAPHS
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Appendix F
Page 2 of 2
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12/17/2013
SAR Test Setup Photo 1 – Back Side at 0.0 cm