STPXS8 GSM/GPRS/EDGE/CDMA/UMTS/HSPA Module RF Exposure Info RF Exposure report Satellite Tracking of People LLC

Satellite Tracking of People LLC GSM/GPRS/EDGE/CDMA/UMTS/HSPA Module

FCC ID Filing: S5ESTPXS8
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Page 1 of STPXS8 GSM/GPRS/EDGE/CDMA/UMTS/HSPA Module RF Exposure Info RF Exposure report Satellite Tracking of People LLC

FCC Part 1 Subpart I
FCC Part 2 Subpart J
RF EXPOSURE REPORT
FOR
Portable Alcohol Detection Product
MODEL NUMBER: SoberTrack
FCC ID: S5EST10417
REPORT NUMBER: 11494246-S1V1
ISSUE DATE: 4/27/2017
Prepared for
Satellite Tracking of People LLC
1212 North Post Oak Road, Suite 100
Houston, Texas 77055, U.S.A.
Prepared by
UL VERIFICATION SERVICES INC.
47173 BENICIA STREET
FREMONT, CA 94538, U.S.A.
TEL: (510) 771-1000
REPORT NO: 11494246-S1V1
FCC ID: S5EST10417
DATE: 4/27/2017
Revision History
Rev.
V1
Issue
Date
Revisions
4/27/2017
Original issue
Revised By
Page 2 of 8
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Doc. No.: 1.0
REPORT NO: 11494246-S1V1
FCC ID: S5EST10417
DATE: 4/27/2017
TABLE OF CONTENTS
1.
ATTESTATION OF TEST RESULTS .................................................................................... 4
2.
TEST METHODOLOGY ........................................................................................................ 5
3.
REFERENCES ...................................................................................................................... 5
4.
FACILITIES AND ACCREDITATION .................................................................................... 5
5.
DEVICE UNDER TEST ......................................................................................................... 5
6.
STANDALONE SAR TEST EXCLUSION CONSIDERATIONS............................................ 8
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Doc. No.: 1.0
REPORT NO: 11494246-S1V1
FCC ID: S5EST10417
DATE: 4/27/2017
1. ATTESTATION OF TEST RESULTS
COMPANY NAME:
Satellite Tracking of People LLC
1212 North Post Oak Road, Suite 100
Houston, Texas 77055, U.S.A.
DUT DESCRIPTION:
Portable Alcohol Detection Product
MODEL:
SoberTrack
SERIAL NUMBER:
N/A
APPLICABLE STANDARDS
STANDARD
TEST RESULTS
FCC PART 1 SUBPART I & PART 2 SUBPART J
Pass
UL Verification Services Inc. calculated the RF Exposure of the above equipment in accordance
with the requirements set forth in the above standards, using test results reported in the test
report documents referenced below and/or documentation furnished by the applicant. All
indications of Pass/Fail in this report are opinions expressed by UL Verification Services Inc.,
based on interpretations of these calculations. The results show that the equipment is capable
of demonstrating compliance with the requirements as documented in this report.
Note: The results documented in this report apply only to the tested sample, under the
conditions and modes of operation as described herein. This document may not be altered or
revised in any way unless done so by UL Verification Services Inc. and all revisions are duly
noted in the revisions section. Any alteration of this document not carried out by UL Verification
Services Inc. will constitute fraud and shall nullify the document. This report must not be used
by the client to claim product certification, approval, or endorsement by NVLAP, NIST, any
agency of the Federal Government, or any agency of any government.
Approved & Released For
UL Verification Services Inc. By:
Dave Weaver
Program Manager
UL Verification Services Inc.
Page 4 of 8
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Doc. No.: 1.0
REPORT NO: 11494246-S1V1
FCC ID: S5EST10417
DATE: 4/27/2017
2. TEST METHODOLOGY
All calculations were made in accordance with FCC KDB 447498 D01 v06.
3. REFERENCES
Output power, Duty cycle and Antenna gain data is excerpted from the applicable test reports or
client declarations.
4. FACILITIES AND ACCREDITATION
The test sites and measurement facilities used to collect data are located at 47173 and 47266
Benicia Street, Fremont, California, USA
UL Verification Services Inc. is accredited by NVLAP, Laboratory Code 200065-0.
5. DEVICE UNDER TEST
SoberTrack is primarily a handheld alcohol detection device used to perform several regularly
scheduled or random sobriety tests on the user. The device includes a camera which is used to
take still and/or video images of the user whilst performing the sobriety test. The pictures and
test results are sent back to a central gateway using GSM / CDMA wireless networks once the
tests have been completed. Additionally, video may be saved to an SD card.
5.1.
Wireless Technologies
Wireless
technologies
GSM
Frequency bands
Operating mode
850
GPRS (GMSK)
1900
EGPRS (8PSK)
GPRS Multi-Slot Class:
☐ Class 8 - 1 Up, 4 Down
Duty Cycle used for SAR
Evaluation
(E)GPRS: 1 Slot: 12.5%
2 Slots: 25%
☐ Class 10 - 2 Up, 4 Down
3 Slots: 37.5%
☒ Class 12 - 4 Up, 4 Down
4 Slots: 50%
☐ Class 33 - 4 Up, 5 Down
UMTS Rel. 99 (Data)
W-CDMA (UMTS)
Band II and V
HSDPA (Rel. 5)
100%
HSUPA (Rel. 6)
CDMA2000
Short range, low
power transceiver
BC0 and BC1
915 MHz
1xRTT (Data)
NA – Categorically excluded form RF exposure analysis
(47 CFR 15.249)
100%
NA
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REPORT NO: 11494246-S1V1
FCC ID: S5EST10417
5.2.
DATE: 4/27/2017
Maximum Output Power
Per KDB 941225 D01 3G SAR Procedures:
SAR test reduction for GPRS and EDGE modes is determined by the source-based time-averaged output power
specified for production units, including tune-up tolerance. The data mode with highest specified time-averaged
output power should be tested for SAR compliance in the applicable exposure conditions. For modes with the same
specified maximum output power and tolerance, the higher number time-slot configuration should be tested.
Technology/Band
Maximum Power
(dBm)
24.5
24.5
24.5
24.5
W-CDMA II
W-CDMA V
CDMA BC0
CDMA BC1
RF Air
Interface
GSM 850
GSM 1900
RF Air
Interface
GSM 850
GSM 1900
Tx 1 Slot
Maximum
Maximum
Power
Power
(dBm)
(mW)
33.5
30.5
2239
1122
Tx 1 Slot
Maximum Power
(mW)
282
282
282
282
GPRS/EGPRS
Tx 2 Slots
Tx 3 Slots
Maximum Maximum Maximum Maximum
Power
Power
Power
Power
(dBm)
(mW)
(dBm)
(mW)
30.5
27.5
1122
562
Tx 2 Slots
28.7
25.7
741
372
Tx 3 Slots
Tx 4 Slots
Maximum Maximum
Power
Power
(dBm)
(mW)
27.5
24.5
562
282
Tx 4 Slots
Maximum
Burst
Power
(mW)
Maximum
Frame
power
(mW)
Maximum
Burst
Power
(mW)
Maximum
Frame
power
(mW)
Maximum
Burst
Power
(mW)
Maximum
Frame
power
(mW)
Maximum
Burst
Power
(mW)
Maximum
Frame
power
(mW)
2239
1122
282
141
1122
562
282
141
741
372
278
140
562
282
281
141
Page 6 of 8
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REPORT NO: 11494246-S1V1
FCC ID: S5EST10417
5.1.
DATE: 4/27/2017
Duty Cycle Power Correction
The DUT is, by default, programmed to transmit sobriety results via cellular data message every
300 seconds lasting typically 2-3 seconds. In a worst-case scenario with latency this could be
increased to a maximum transmission lasting 6 seconds every 300 seconds. In the event of
latency exceeding 6s the device will terminate the call and retry in the next 5-minute cycle.
The correction of average output power for duty cycle is thus 6/300*maximum power. The tables
in the following section show the maximum rated power, including tune up tolerance for each of
the technologies and operating bands supported in the USA by the module. Those power
values are corrected for source based duty cycle (i.e. GSM frame power) and then corrected for
the 6/300 operational duty cycle and the resulting power levels are used to determine the SAR
exclusion requirements based on KDB 447498.
Technology/Band
Upper
Frequency (MHz)
W-CDMA II
W-CDMA V
CDMA BC0, BC10
CDMA BC1
GSM850
GSM1900
1907.6
846.6
849
1910
849
1910
Maximum Power
(mW) without duty
factor correction
(mW)
282
282
282
282
282
141
Maximum Power
(mW) with duty
factor correction
(mW)
5.6
5.6
5.6
5.6
5.6
2.8
Page 7 of 8
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Doc. No.: 1.0
REPORT NO: 11494246-S1V1
FCC ID: S5EST10417
DATE: 4/27/2017
6. STANDALONE SAR TEST EXCLUSION CONSIDERATIONS
From KDB 447498, for transmission frequencies 100 MHz to 6 GHz and test separation
distances ≤ 50 mm, the 1-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 where:
 f(GHz) is the RF channel transmit frequency in GHz;
 Power and distance are rounded to the nearest mW and mm before calculation;
 For a separation distance of less than 5mm, 5mm is used.
The result is rounded to one decimal place for comparison with the 3.0 threshold.
The table below shows that at the maximum power for all bands and technologies, after
accounting for source-based and operational duty cycles, and for a separation distance of 5mm
or less, SAR test exclusion applies.
Normal use would have the person take the breathalyzer test and put the device down before
the device transmits the data because of the programmed delay between test and data
transmission. The only potential for head or body exposure would be if the cellular
transmissions sending the test data occurred because either the user held the device close to
the head, or body, for a long period of time after taking the test. As a result the device was
assessed the more conservative 1g SAR limits.
(mW)
SAR test
exclusion
Result*
0.191
0.5
1.1
1.1
Body-w orn
0.847
0.849
0.191
0.5
Body-w orn
0.849
1.1
Body-w orn
0.191
0.3
Frequency
(GHz)
W-CDMA II
Body-w orn
W-CDMA V
CDMA BC0
CDMA BC1
Body-w orn
Body-w orn
GSM850
GSM1900
RF Air interface
Max. tune-up
tolerance
Min. test
separation
distance (mm)
RF Exposure
Conditions
Conclusion:
*: The computed value is ≤ 3; therefore, this qualifies for SAR test exclusion.
7. Simultaneous Transmission SAR Analysis
Simultaneous transmission is not supported.
END OF REPORT
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