RF Exposure report

FCC ID: 2AEMI-B402

RF Exposure Info

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FCCID_4455104

Test Report No.: SA190606W003 RF EXPOSURE REPORT Product: B Series B402 Model Name: B402,B402S FCC ID: 2AEMI-B402 Applicant: Particle Industries,Inc Address: 126 Post St,4th floor, San Francisco,CA 94108 USA Manufacturer: Particle Industries,Inc Address: 126 Post St,4th floor, San Francisco,CA 94108 USA Prepared by: BV 7Layers Communications Technology (Shenzhen) Co. Ltd Lab Location: No.B102, Dazu Chuangxin Mansion, North of Beihuan Avenue, North Area, Hi-Tech Industrial Park, Nanshan District, Shenzhen, Guangdong, China TEL: +86 755 8869 6566 FAX: +86 755 8869 6577 E-MAIL: customerservice.dg@cn.bureauveritas.com Report No.: SA190606W003 Received Date: Jul. 19, 2019 Test Date: Jul. 20, 2019 ~ Jul. 21, 2019 Issued Date: Jul. 24, 2019 This report should not be used by the client to claim product certification, approval, or endorsement by A2LA or any government agencies. This report is governed by, and incorporates by reference, CPS Conditions of Service as posted at the date of issuance of this report at http://www.bureauveritas.com/home/about-us/our-business/cps/about-us/terms-conditions/and is intended for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. Measurement uncertainty is only provided upon request for accredited tests. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence or if you require measurement uncertainty; provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute you unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. No.B102, Dazu Chuangxin Mansion, North of Beihuan Tel: +86 755 8869 6566 BV 7Layers Communications Technology Avenue, North Area, Hi-Tech Industrial Park, Nanshan Fax: +86 755 8869 6577 (Shenzhen) Co. Ltd District, Shenzhen, Guangdong, China Email: customerservice.dg@cn.bureauveritas.com Page 1 of 9 Report Version 1

Test Report No.: SA190606W003 TABLE OF CONTENTS RF EXPOSURE REPORT ............................................................................................. 1 RELEASE CONTROL RECORD .................................................................................. 3 1 CERTIFICATION ............................................................................................ 4 2 GENERAL INFORMATION ............................................................................ 5 2.1 GENERAL DESCRIPTION OF EUT ................................................................... 5 3 RF EXPOSURE .............................................................................................. 6 3.1 LIMITS FOR MAXIMUM PERMISSIBLE EXPOSURE (MPE) ............................ 6 3.2 MPE CALCULATION FORMULA ....................................................................... 6 3.3 CLASSIFICATION .............................................................................................. 6 3.4 CONDUCTED POWER ...................................................................................... 7 3.5 CALCULATION RESULT OF MAXIMUM CONDUCTED POWER ..................... 8 3.6 CONCLUSION OF SIMULTANEOUS TRANSMITTER ...................................... 9 No.B102, Dazu Chuangxin Mansion, North of Beihuan Tel: +86 755 8869 6566 BV 7Layers Communications Technology Avenue, North Area, Hi-Tech Industrial Park, Nanshan Fax: +86 755 8869 6577 (Shenzhen) Co. Ltd District, Shenzhen, Guangdong, China Email: customerservice.dg@cn.bureauveritas.com Page 2 of 9 Report Version 1

Test Report No.: SA190606W003 RELEASE CONTROL RECORD ISSUE NO. REASON FOR CHANGE DATE ISSUED SA190606W003 Original release Jul. 24, 2019 No.B102, Dazu Chuangxin Mansion, North of Beihuan Tel: +86 755 8869 6566 BV 7Layers Communications Technology Avenue, North Area, Hi-Tech Industrial Park, Nanshan Fax: +86 755 8869 6577 (Shenzhen) Co. Ltd District, Shenzhen, Guangdong, China Email: customerservice.dg@cn.bureauveritas.com Page 3 of 9 Report Version 1

Test Report No.: SA190606W003 1 CERTIFICATION PRODUCT: B Series B402 BRAND NAME: Particle MODEL NAME: B402,B402S APPLICANT: Particle Industries,Inc TESTED: Jul. 20, 2019 ~ Jul. 21, 2019 TEST SAMPLE: Identical Prototype STANDARDS: FCC Part 2 (Section 2.1091) FCC OET Bulletin 65, Supplement C (01-01) KDB 447498 D01 General RF Exposure Guidance v06 IEEE C95.1 The above equipment has been tested by BV 7Layers Communications Technology (Shenzhen) Co. Ltd and found compliance with the requirement of the above standards. The test record, data evaluation & Equipment Under Test (EUT) configurations represented herein are true and accurate accounts of the measurements of the sample’s EMC characteristics under the conditions specified in this report. PREPARED BY : , DATE: Jul. 24, 2019 (Alex Chen/ Engineer) APPROVED BY : , DATE: Jul. 24, 2019 (Luke Lu / Manager) No.B102, Dazu Chuangxin Mansion, North of Beihuan Tel: +86 755 8869 6566 BV 7Layers Communications Technology Avenue, North Area, Hi-Tech Industrial Park, Nanshan Fax: +86 755 8869 6577 (Shenzhen) Co. Ltd District, Shenzhen, Guangdong, China Email: customerservice.dg@cn.bureauveritas.com Page 4 of 9 Report Version 1

Test Report No.: SA190606W003 2 GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF EUT PRODUCT B Series B402 MODEL NAME B402,B402S Li+ PIN /Battery connector: DC 3.7V from Li-ion Battery or NOMINAL VOLTAGE VUSB PIN /USB connector :DC 5V from USB Host Unit OPERATING -20 ~ 75℃ TEMPERATURE RANGE MODULATION TYPE LTE/BLE QPSK&16QAM, GFSK(1MHz, 2MHz) 1850.7MHz ~ 1909.3MHz (FOR LTE Band2) 1710.7MHz ~ 1754.3MHz (FOR LTE Band4) OPERATING 824.7MHz ~ 848.3MHz (FOR LTE Band5) LTE/BLE FREQUENCY 699.7MHz ~ 715.3MHz (FOR LTE Band12) 779.5MHz ~ 784.5MHz (FOR LTE Band13) 2402MHz ~ 2480MHz (FOR BLE) LTE Band 2 Fixed External Antenna with 3.5dBi gain LTE Band 4 Fixed External Antenna with 3.5dBi gain LTE Band 5 Fixed External Antenna with 1.0dBi gain ANTENNA GAIN LTE Band 12 Fixed External Antenna with 1.0dBi gain LTE Band 13 Fixed External Antenna with 1.0dBi gain BLE FPCB Antenna with 2.0dBi gain HW VERSION V1.00 SW VERSION V1.2.1 I/O PORTS Refer to user’s manual CABLE SUPPLIED N/A NOTE: 1. For a more detailed features description, please refer to the manufacturer’s specifications or the user's manual. 2. For the test results, the EUT had been tested with all conditions. But only the worst case was shown in test report. No.B102, Dazu Chuangxin Mansion, North of Beihuan Tel: +86 755 8869 6566 BV 7Layers Communications Technology Avenue, North Area, Hi-Tech Industrial Park, Nanshan Fax: +86 755 8869 6577 (Shenzhen) Co. Ltd District, Shenzhen, Guangdong, China Email: customerservice.dg@cn.bureauveritas.com Page 5 of 9 Report Version 1

Test Report No.: SA190606W003 3 RF EXPOSURE 3.1 LIMITS FOR MAXIMUM PERMISSIBLE EXPOSURE (MPE) FREQUENCY ELECTRIC FIELD MAGNETIC FIELD POWER DENSITY AVERAGE TIME RANGE (MHz) STRENGTH (V/m) STRENGTH (A/m) (mW/cm2) (minutes) LIMITS FOR GENERAL POPULATION / UNCONTROLLED EXPOSURE 300-1500 … … F/1500 30 1500-100,000 … … 1.0 30 F = Frequency in MHz 3.2 MPE CALCULATION FORMULA Pd = (Pout*G) / (4*pi*r2) where Pd = power density in mW/cm2 Pout = output power to antenna in mW G = gain of antenna in linear scale Pi = 3.1416 R = distance between observation point and center of the radiator in cm 3.3 CLASSIFICATION The antenna of this product, under normal use condition, is at least 20cm away from the body of the user. So, this device is classified as Mobile Device. No.B102, Dazu Chuangxin Mansion, North of Beihuan Tel: +86 755 8869 6566 BV 7Layers Communications Technology Avenue, North Area, Hi-Tech Industrial Park, Nanshan Fax: +86 755 8869 6577 (Shenzhen) Co. Ltd District, Shenzhen, Guangdong, China Email: customerservice.dg@cn.bureauveritas.com Page 6 of 9 Report Version 1

Test Report No.: SA190606W003 3.4 CONDUCTED POWER TUNE-UP POWER TABLE Operating Tune-Up Power Frequency Band And Tolerance (MHz) Mode (dBm) BLE 2402 GFSK(1MHz) -4.0 BLE 2480 GFSK(2MHz) -9.0 LTE 2 1880 QPSK 24.8 LTE 4 1732.5 QPSK 25.0 LTE 5 836.5 QPSK 25.0 LTE 12 707.5 QPSK 25.0 LTE 13 782 QPSK 25.0 No.B102, Dazu Chuangxin Mansion, North of Beihuan Tel: +86 755 8869 6566 BV 7Layers Communications Technology Avenue, North Area, Hi-Tech Industrial Park, Nanshan Fax: +86 755 8869 6577 (Shenzhen) Co. Ltd District, Shenzhen, Guangdong, China Email: customerservice.dg@cn.bureauveritas.com Page 7 of 9 Report Version 1

Test Report No.: SA190606W003 3.5 CALCULATION RESULT OF MAXIMUM CONDUCTED POWER BT Antenna Tune-up E.I.R.P Power Frequency Operating limit PASS / Band Gain Power Power Density (MHz) Mode (mW/cm^2) FAIL (dBi) (dBm) (mW) (mW/cm^2) BLE 2402 GFSK(1MHz) 2 -4 0.631 0.000126 1.00 PASS BLE 2480 GFSK(2MHz) 2 -9 0.199 0.000040 1.00 PASS LTE Antenna Tune-up E.I.R.P Power Frequency Operating limit PASS / Band Gain Power Power Density (MHz) Mode (mW/cm^2) FAIL (dBi) (dBm) (mW) (mW/cm^2) Band 2 1880 QPSK 3.50 24.80 676.083 0.135 1.00 PASS Band 4 1720 QPSK 3.50 25.00 707.946 0.141 1.00 PASS Band 5 829 QPSK 1.00 25.00 398.107 0.079 0.56 PASS Band 12 707.5 QPSK 1.00 25.00 398.107 0.079 0.47 PASS Band 13 782.0 QPSK 1.00 25.00 398.107 0.079 0.52 PASS No.B102, Dazu Chuangxin Mansion, North of Beihuan Tel: +86 755 8869 6566 BV 7Layers Communications Technology Avenue, North Area, Hi-Tech Industrial Park, Nanshan Fax: +86 755 8869 6577 (Shenzhen) Co. Ltd District, Shenzhen, Guangdong, China Email: customerservice.dg@cn.bureauveritas.com Page 8 of 9 Report Version 1

Test Report No.: SA190606W003 3.6 CONCLUSION OF SIMULTANEOUS TRANSMITTER Both of the BT and plug-in device can transmit simultaneously, the formula of calculated the MPE is: CPD1/LPD1+CPD2/LPD2+……etc. < 1 CPD = Calculation power density LPD = Limit of power density Therefore the worst-case situation is, which is less than “1”, This confirmed that the device comply with FCC 1.1310 MPE limit. Power Frequency Power Density limit PASS / Band (mW/cm^2) (mW/cm^2) Density MPE Limit ( MHz ) FAIL / Limit BLE(1MHz) 2402 0.000126 1 0.000126 1.000 PASS LTE BAND 4 1720 0.141 1 0.141 --END-- No.B102, Dazu Chuangxin Mansion, North of Beihuan Tel: +86 755 8869 6566 BV 7Layers Communications Technology Avenue, North Area, Hi-Tech Industrial Park, Nanshan Fax: +86 755 8869 6577 (Shenzhen) Co. Ltd District, Shenzhen, Guangdong, China Email: customerservice.dg@cn.bureauveritas.com Page 9 of 9 Report Version 1


Document Created: 2019-09-24 13:45:40
Document Modified: 2019-09-24 13:45:40
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