2AUFL-LT51Rugged Phone

1 Phone user manual User Guide LT51 Preface Thank you for choosing LT51 mobile phone! LT51 is an Android intelligent mobile phone, it has the ultra-thin fashion appearance, it supports application software installation and unloading from Android electronic market, WLAN network connection, touch capacitive screen, high-pixels cameras, high-quality audio and ultra HD video, etc. These will lead you into an entirely new and fascinating mobile internet world. This manual systematically introduces many functions of LT51 mobile phone, tips and notes. Please carefully read it before using LT51. The illustrations in this manual are only for reference, and their functions are based on the real product. The company reserves the right of final interpretation. 2 Basic Information 1. Safety Notice If your phone is lost or stolen, please immediately inform the telecom department or commission agents of forbidding the use of SIM card, so that avoid the economic loss caused by false calling of others. When you contact with telecom department or commission agents, they need to know your phone IMEI number (printed on the label on the back of the phone and can be found after taking down the battery). Please copy the number and keep it safe for future use. In order to use the phone more safely, please adopt preventive measures, for example: set up the PIN code of SIM card, PIN code can prevent your SIM card from being used by others without permission. When leaving the car, please don’t place the phone in a place easy to be seen, you had better to carry with you or lock in the suitcase. 2. Safety Alert and Cautions Before using the phone, please read these cautions carefully so that make sure to use the phone correctly. 3.1 General Cautions On the plane, in the hospital and other places that forbidden to use the mobile phone, please turn off the phone; otherwise it may affect the normal operation of electronic equipments and medical instruments. Please comply with the relevant regulations if using the phone in these places, Please strictly comply with the laws and regulations about the phone use in the driving place. If you use the phone while you are driving, please comply with the following rules: concentrate on driving, pay attention to the road conditions; if the phone has hands-free function, please make a phone call hands-free; if the driving conditions are not good, please stop the car, and then dial or receive a call. When approaching the places that storing fuel, chemicals or explosives, and etc., please comply with the laws, regulations and the relevant signs. Please place the phone, battery and charger in the place out of children’s reach, for fear that the children use them as tools and cause personal injury. Your phone only can use the batteries, chargers and other accessories specified by the company for fear that the phone is damaged. If using other batteries and chargers, it may cause liquid leaking, overheat, explosion, fire breakout and other failures of batteries. Please don’t use the phone close to weak signal or high precision electronic equipments. Wireless wave interference may cause the mis-operation of these electronic equipments. The phone has the function of timely auto power-on, please check the auto power-on and shut down settings of the phone, so that confirm that the phone will not power on automatically during the flight. Please don’t strike, shake or sling the phone violently for fear that the phone is failed or fire breakout. Please don’t place the battery, the phone and the charger in the micro-wave oven or high-voltage equipment; otherwise may cause circuit damage or fire breakout and other accidents. Please don’t use the phone in the places with inflammable and explosive gas; otherwise may cause phone failure or fire hazard. 3 Please don’t place the phone in the places with high temperature, high humidity or a large amount of dust; otherwise it may cause phone failure. Please don’t place the phone in the uneven or unstable place, prevent the phone from falling off and then cause failure or damage. Please only use the original antenna or the antenna being approved by the company. Unapproved and modified antenna or the antenna with additional accessories may damage the phone. Please don’t touch the antenna during a call. Touching the antenna may affect the call quality and make the phone power higher than the required power in normal use. In addition, using the unapproved antenna may violate the regulations in your country. 3.2 Cautions of Using the Phone Don’t take down or modify the phone; otherwise it may cause the damage, leakage and circuit failure of the phone. Please don’t knock the LCD by force or use the LCD to knock other things; otherwise may cause the damage of liquid crystal plate and the leaking of liquid crystal. If liquid crystal enters the eyes, it may damage eyesight. At this time, please rinse the eyes immediately with clean water (don’t rub the eyes), and see a doctor immediately. In very rare cases, if the phone is used in some types of vehicles, it may have bad effect on the electronic equipments in the vehicle. At this time, please don’t use the phone for fear of losing the safety guarantee. If your vehicle is equipped with the air bag, please don’t place the phone above the air bag or the area that can be touched after the air bag is swelled, for fear that the phone is applied very strong external force and cause serious damage on the vehicle owner when the air bag is swelled. Please don’t touch the key-stoke using needles, pen nibs and other sharp objects; otherwise it may damage the phone or cause mis-operation. If the antenna is damaged, please don’t use the phone; otherwise it may cause the personal injury. Don’t make the phone approach to the magnetic card and other magnetic objects too closely; radiation wave of the phone may clean out the information stored in the floppy disks, stored value cards and credit cards. Please place the drawing pin…

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Company: Shanghai ZoomSmart Technology Co., Ltd Add: Room 802 Hengxi Road No.809 Pujiang Town Minhang district, Shanghai, 201114 China Tel: 0086-021-34781253 Fax: 0086-021-34781252 E-mail: [email protected] Attestation Letter Please contact me if there is need for any additional clarification or information. Best Regards, Sincerely Yours, Date: 2020-08-17 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 The chip WCN3680B installed in our product Rugged Phone(model name: LT51, FCC ID: 2AUFL-LT51), which support 5G W i-Fi Band1(5150-5250MHz), Band2(5250-5350MHz), B and3(5470-5725MHz), Band4(5725-5850MHz). But for this product, it only activates Band1 and Band4, the other bands are disabled by using the software. For 2G/3G/4G, The chip WTR2965 can support GSM/WCDMA/CDMA/LTE, but the product only activates GSM/GPRS/EGPRS 850/1900, WCDMA Band 2/5, CDMA850, LTE Band 2/4/5/7/17/41, the other bands are disabled by using the software. Signature: Typed or Printed Name: zg. chen Title: VP

Company: Shanghai ZoomSmart Technology Co., Ltd Add: Room 802 Hengxi Road No.809 Pujiang Town Minhang district, Shanghai, 201114 China Tel: 0086-02 1-34781253 Fax: 0086-021-34781252 E-mail: [email protected] FCC Confidential Authorization Date:2020-08-17 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 74 35 Oakland Mills Road Columbia, MD 21 046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2AUFL-LT51 To: whom it may concern, In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, Shanghai ZoomSmart Technology Co., Ltd hereby requests long-term confidential treatment of information accompanying this application as outlined below: Block Diagram Schematics Operation Description BOM Tune-up The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Signature: Typed or Printed Name: zg. chen Title: VP

EXHIBIT A - EUT EXTERNAL PHOTOGRAPHS

Rugged Phone Model:LT51 FCC ID:2AUFL-LT51 15mm 10mm

EXHIBIT B - EUT INTERNAL PHOTOGRAPHS GPS Antenna BT/WIFI Antenna GSM/GPRS/EGPRS/WCDMA/ LTE Antenna LTE DIV Antenna NFC Antenna

Note: This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “★”. BACL is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with an asterisk ’*’. Customer model name, addresses, names, trademarks etc. are not considered data. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. SAR TEST REPORT For Shanghai ZoomSmart Technology Co.,Ltd Room 802 Hengxi Road No.809 Pujiang Town Minhang district Shanghai, 201114 China FCC ID:2AUFL-LT51 Report Type: Original Report Product Type: Rugged Phone Report Number: RSH201022050-SA Report Date: 2020-12-10 Reviewed By: Alvin Huang Lab Mana ger Bay Area Compliance Laboratories Corp. (Shenzhen) 6/F., West Wing, Third Phase of Wanli Industrial Building, Shihua Road, Futian Free Trade Zone, Shenzhen, Guangdong, China Tel: +86-755-33320018 Fax: +86-755-33320008 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 2 of 100 Attestation of Test Results EUT Information EUT Description Rugged Phone Tested Model LT51 FCC ID 2AUFL-LT51 Serial Number RSH201022050-SA-S1 Test Date 2020/12/02 to 2020/12/07 MODE Max. SAR Level(s) Reported(W/kg) Limit (W/kg) GSM 850 1g Head SAR 0.21 SAR Limit = 1. 6 W/kg SPLSR Limit= 0.04 1g Body SAR 0.54 PCS 1900 1g Head SAR 0.36 1g Body SAR 0.68 WCDMA Band 2 1g Head SAR 0.69 1g Body SAR 0.50 WCDMA Band 5 1g Head SAR 0.33 1g Body SAR 0.56 LTE Band 2 1g Head SAR 0.71 1g Body SAR 0.57 LTE Band 4 1g Head SAR 0.48 1g Body SAR 0.71 LTE Band 5 1g Head SAR 0.29 1g Body SAR 0.78 LTE Band 7 1g Head SAR 0.18 1g Body SAR 1.42 LTE Band 17 1g Head SAR 0.02 1g Body SAR 0.18 LTE Band 41 1g Head SAR 0.17 1g Body SAR 0.44 CDMA 850 1g Head SAR 0.06 1g Body SAR 0.40 WIFI 2.4G 1g Head SAR 0.21 1g Body SAR 0.15 WIFI 5.2G 1g Head SAR 0.20 1g Body SAR 0.14 WIFI 5.8G 1g Head SAR 0.42 1g Body SAR 1.39 Simultaneous(tx) 1g Head SAR 1.04 1g Body SAR 2.31(SPLSR=0.02) 1g Body SAR 2.31(SPLSR=0.02 Hotspot) Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 3 of 100 Applicable Standards FCC 47 CFR part 2.1093 Radiofrequency radiation exposure evaluation: portable devices IEEE1528:2013 IEEE Recommended Practice for Determining the Peak Spatial-Average Specific Absorption Rate (SAR) in the Human Head from Wireless Communications Devices: Measurement Techniques IEC 62209-2:2010 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 proximit y to the human body (frequencyrange of 30 MHz to 6 GHz) IEC 62209-1:2016 Measurement procedure for the assessment of specific absorption rate of human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices – Part 1: Devices used next to the ear (Frequency range of 300 MHz to 6 GHz) KDB procedures KDB 447498 D01 General RF Exposure Guidance v06 KDB 648474 D04 Handset SAR v01r03 KDB 865664 D01 SAR Measurement 100 MHz to 6 GHz v01r04 KDB 865664 D02 RF Exposure Reporting v01r02 KDB 941225 D01 3G SAR Procedures v03r01 KDB 941225 D05 SAR for LTE Devices v02r05 KDB 941225 D06 Hotspot Mode v02r01 KDB 248227 D01 802.11 Wi-Fi SAR v02r02 Note: This wireless device has been shown to be capable of compliance for localized specific absorption rate (SAR) for General Population/Uncontrolled Exposure limits specified in FCC 47 CFR part 2.1093 and has been tested in accordance with the measurement procedures specified in IEEE 1528-2013 and RF exposure KDB procedures. The results and statements contained in this report pertain only to the device(s) evaluated. Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 4 of 100 TABLE OF CONTENTS DOCUMENT REVISION HISTORY ......................................................................................................................... 5 EUT DESCRIPTION ................................................................................................................................................... 6 TECHNICAL SPECIFICATION ............................................................................................................................................. 7 REFERENCE, STANDARDS, AND GUIDELINES ................................................................................................. 8 SAR LIMITS ..................................................................................................................................................................... 9 FACILITIES ............................................................................................................................................................... 10 DESCRIPTION OF TEST SYSTEM ........................................................................................................................ 11 EQUIPMENT LIST AND CALIBRATION ............................................................................................................. 17 EQUIPMENTS LIST & CALIBRATION INFORMATION ........................................................................................................ 17 SAR MEASUREMENT SYSTEM VERIFICATION ............................................................................................. 18 LIQUID VERIFICATION ................................................................................................................................................... 18 S…

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Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 1 of 47 APPENDIX C PROBE CALIBRATION CERTIFICATES Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 2 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 3 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 4 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 5 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 6 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 7 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 8 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 9 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 10 of 47 APPENDIX D DIPOLE CALIBRATION CERTIFICATES Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 11 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 12 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 13 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 14 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 15 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 16 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 17 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 18 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 19 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 20 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 21 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 22 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 23 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 24 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 25 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 26 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 27 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 28 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 29 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 30 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 31 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 32 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 33 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 34 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 35 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 36 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 37 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 38 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 39 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 40 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 41 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 42 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 43 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 44 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 45 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 46 of 47 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 47 of 47

Bay Area C Test Plot 1 DUT: Rug Communi c Medium pa Phantom s DASY5 C o • Pr • Se • E • P h • M Area Sca n Maximum Zoom Sc a Reference Peak SAR SAR(1 g) = Maximum Compliance L 1#: GSM 850 gged Phone; T cation System arameters use ection: Left S onfiguration: robe: EX3DV ensor-Surface lectronics: DA hantom: SAM Measurement S n (71x91x1): I value of SAR an (5x5x7)/Cu Value = 5.387 (extrapolated = 0.186 W/kg value of SAR 0 dB = 0. Laboratories C 0_Head Left C Type:LT51; S m: Generic GSM d: f = 836.6 M ection V4 - SN7522; C e: 1.4mm (Mec AE4 SN1562; M-Twin V8.0 P SW: DASY52 Interpolated g R (interpolated ube 0: Measur 7 V/m; Power d) = 0.232 W/k g; SAR(10 g) R (measured) = .198 W/kg = - Corp. (Shenzhe Cheek_Middl Serial:RSH20 M; Frequency MHz; σ = 0.91 ConvF(9.92, 9 chanical Surfa Calibrated: 3/ P1aP2a; Type: , Version 52.1 grid: dx=1.500 d) = 0.199 W/k rement grid: d r Drift = 0.11 kg = 0.141 W/k g = 0.198 W/kg -7.03 dBW/kg en) le 01022050-SA y: 836.6 MHz; 18 S/m; ε r = 41 9.92, 9.92) ace Detection /3/2020 : QD 000 P41 10 (2) ; 0 mm, dy=1.50 kg dx=8mm, dy=8 dB g g g A-S1; ;Duty Cycle: 1 1.842; ρ = 100 ) AA; Serial: 1 00 mm 8mm, dz=5mm Repo 1:8 00 kg/m 3 ; 1962 m ort No.: RSH201022050-SA Page 1 of 1 A 87 Bay Area C Test Plot 2 DUT: Rug Communi c Medium pa Phantom s DASY5 C o • Pr • Se • E • P h • M Area Sca n Maximum Zoom Sc a Reference Peak SAR SAR(1 g) = Maximum Compliance L 2#: GSM 850 gged Phone; T cation System arameters use ection: Left S onfiguration: robe: EX3DV ensor-Surface lectronics: DA hantom: SAM Measurement S n (71x91x1): I value of SAR an (5x5x7)/Cu Value = 8.02 (extrapolate d = 0.110 W/kg value of SAR 0 dB = 0. Laboratories C 0_Head Left T Type:LT51; S m: Generic GSM d: f = 836.6 M ection V4 - SN7522; C e: 1.4mm (Mec AE4 SN1562; M-Twin V8.0 P SW: DASY52 Interpolated g R (interpolated ube 0: Measur 1 V/m; Power d) = 0.137 W/k g; SAR(10 g) R (measured) = .113 W/kg = - Corp. (Shenzhe Tilt_Middle Serial:RSH20 M; Frequency MHz; σ = 0.91 ConvF(9.92, 9 chanical Surfa Calibrated: 3/ P1aP2a; Type: , Version 52.1 grid: dx=1.500 d) = 0.115 W/k rement grid: d r Drift = -0.14 kg = 0.085 W/k g = 0.113 W/kg 9.47 dBW/kg en) 01022050-SA y: 836.6 MHz; 18 S/m; ε r = 41 9.92, 9.92) ace Detection /3/2020 : QD 000 P41 10 (2) ; 0 mm, dy=1.50 kg dx=8mm, dy=8 4 dB g g g A-S1; ;Duty Cycle: 1 1.842; ρ = 100 ) AA; Serial: 1 00 mm 8mm, dz=5mm Repo 1:8 00 kg/m 3 ; 1962 m ort No.: RSH201022050-SA Page 2 of 1 A 87 Bay Area C Test Plot 3 DUT: Rug Communi c Medium pa Phantom s DASY5 C o • Pr • Se • E • P h • M Area Sca n Maximum Zoom Sc a Reference Peak SAR SAR(1 g) = Maximum Compliance L 3#: GSM 850 gged Phone; T cation System arameters use ection: Right onfiguration: robe: EX3DV ensor-Surface lectronics: DA hantom: SAM Measurement S n (71x91x1): I value of SAR an (5x5x7)/Cu Value = 6.353 (extrapolated = 0.141 W/kg value of SAR 0 dB = 0. Laboratories C 0_Head Right Type:LT51; S m: Generic GSM d: f = 836.6 M Section V4 - SN7522; C e: 1.4mm (Mec AE4 SN1562; M-Twin V8.0 P SW: DASY52 Interpolated g R (interpolated ube 0: Measur 3 V/m; Power d) = 0.178 W/k g; SAR(10 g) R (measured) = .149 W/kg = - Corp. (Shenzhe t Cheek_Mid Serial:RSH20 M; Frequency MHz; σ = 0.91 ConvF(9.92, 9 chanical Surfa Calibrated: 3/ P1aP2a; Type: , Version 52.1 grid: dx=1.500 d) = 0.356 W/k rement grid: d r Drift = -0.11 kg = 0.096 W/k g = 0.149 W/kg -8.27 dBW/kg en) dle 01022050-SA y: 836.6 MHz; 18 S/m; ε r = 41 9.92, 9.92) ace Detection /3/2020 : QD 000 P41 10 (2) ; 0 mm, dy=1.50 kg dx=8mm, dy=8 dB g g g A-S1; ;Duty Cycle: 1 1.842; ρ = 100 ) AA; Serial: 1 00 mm 8mm, dz=5mm Repo 1:8 00 kg/m 3 ; 1962 m ort No.: RSH201022050-SA Page 3 of 1 A 87 Bay Area C Test Plot 4 DUT: Rug Communi c Medium pa Phantom s DASY5 C o • Pr • Se • E • P h • M Area Sca n Maximum Zoom Sc a Reference Peak SAR SAR(1 g) = Maximum Compliance L 4#: GSM 850 gged Phone; T cation System arameters use ection: Right onfiguration: robe: EX3DV ensor-Surface lectronics: DA hantom: SAM Measurement S n (71x91x1): I value of SAR an (5x5x7)/Cu Value = 7.192 (extrapolated = 0.093 W/kg value of SAR 0 dB = 0. Laboratories C 0_Head Right Type:LT51; S m: Generic GSM d: f = 836.6 M Section V4 - SN7522; C e: 1.4mm (Mec AE4 SN1562; M-Twin V8.0 P SW: DASY52 Interpolated g R (interpolated ube 0: Measur 2 V/m; Power d) = 0.117 W/k g; SAR(10 g) R (measured) = .0965 W/kg = Corp. (Shenzhe t Tilt_Middle Serial:RSH20 M; Frequency MHz; σ = 0.91 ConvF(9.92, 9 chanical Surfa Calibrated: 3/ P1aP2a; Type: , Version 52.1 grid: dx=1.500 d) = 0.102 W/k rement grid: d r Drift = 0.09 kg = 0.071 W/k g = 0.0965 W/k -10.15 dBW/ en) e 01022050-SA y: 836.6 MHz; 18 S/m; ε r = 41 9.92, 9.92) ace Detection /3/2020 : QD 000 P41 10 (2) ; 0 mm, dy=1.50 kg dx=8mm, dy=8 dB g kg /kg A-S1; ;Duty Cycle: 1 1.842; ρ = 100 ) AA; Serial: 1 00 mm 8mm, dz=5mm Repo 1:8 00 kg/m 3 ; 1962 m ort No.: RSH201022050-SA Page 4 of 1 A 87 Bay Area C Test Plot 5 DUT: Rug Communi c Medium pa Phantom s DASY5 C o • Pr • Se • E • P h • M Area Sca n Maximum Zoom Sc a Reference Peak SAR SAR(1 g) = Maximum Compliance L 5#: GSM 850 gged Phone; T cation System arameters use ection: Flat S e onfiguration: robe: EX3DV ensor-Surface lectronics: DA hantom: SAM Measurement S n (71x71x1): I value of SAR an (5x5x7)/Cu Value = 11.48 (extrapolated = 0.322 W/kg value of SAR 0 dB = 0. Laboratories C 0_Body Worn Type:LT51; S m: Generic GSM d: f = 836.6 M ection V4 - SN7522; C e: 1.4mm (Mec AE4 SN1562; M-Twin V8.0 P SW: DASY52 Interpolated g R (interpolated ube 0: Measur 8 V/m; Power d) = 0.493 W/k g; SAR(10 g) R (measured) = .344 W/kg = - Corp. (Shenzhe n Back_Midd Serial:RSH20 M; Frequency MHz; σ = 0.91 ConvF(9.92, 9 chanical Surfa Calibrated: 3/ P1aP2a; Type: , Version 52.1 grid: dx=1.500 d) = 0.355 W/k rement grid: d r Drift = -0.18 kg = 0.204 W/k g = 0.344 W/kg -4.63 dBW/kg en) dle 01022050-SA y: 836.6 MHz; 18 S/m; ε r = 41 9.92, 9.92) ace Detection /3/2020 : QD 000 P41 10 (2) ; 0 mm, dy=1.50 kg dx=8mm, dy=8 8 dB g g g A-S1; ;Duty Cycle: 1 1.842; ρ = 100…

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Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 1 of 5 APPENDIX B EUT TEST POSITION PHOTOS Liquid depth ≥ 15cm • Phantom: SAM-Twin V8.0 P1aP2a; Type: QD 000 P41 AA ; Serial: 1962 Head Left Cheek Setup Photo Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 2 of 5 Head Left Tilt Setup Photo Head Right Cheek Setup Photo Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 3 of 5 Head Right Tilt Setup Photo Body (Worn) Back Setup Photo (10mm) 10 mm Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 4 of 5 Body Left Setup Photo (10mm) Body Right Setup Photo (10mm) 10mm 10mm Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSH201022050-SA SAR Test Report 5 of 5 Body Top Setup Photo (10mm) Body Bottom Setup Photo (10mm) 10mm 10mm

FCC PART 27 FCC PART 22H, PART 24E TEST REPORT For Shanghai ZoomSmart Technology Co., Ltd Room 802 Hengxi Road No.809 Pujiang Town Minhang district, Shanghai, 201114 China FCC ID: 2AUFL-LT51 Report Type: Original Report Product Type: Rugged Phone Project Engineer: CK Huang Re port Number: RSHD200817002-00E Re port Date: 2020-11-04 Reviewed B y: Oscar Ye EMC Manager Prepared By: Bay Area Compliance Laboratories Corp. (Kunshan) No.248 Chenghu Road, Kunshan, Jiangsu province, China Tel: +86-0512-86175000 Fax: +86-0512-88934268 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp.(Kunshan) Report No.: RSHD200817002-00E FCC Part 27, FCC Part 22H/24E Page 2 of 482 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 3 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 3 OBJECTIVE ................................................................................................................................................................... 4 RELATED SUBMITTAL(S)/GRANT(S) ............................................................................................................................. 4 TEST METHODOLOGY .................................................................................................................................................. 4 MEASUREMENT UNCERTAINTY .................................................................................................................................... 5 TEST FACILITY ............................................................................................................................................................. 5 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 JUSTIFICATION ............................................................................................................................................................. 6 CHANNEL LIST ............................................................................................................................................................. 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 8 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 8 EXTERNAL I/O CABLE .................................................................................................................................................. 8 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 9 SUMMARY OF TEST RESULTS ............................................................................................................................. 10 TEST EQUIPMENT LIST ......................................................................................................................................... 11 FCC §1.1307(B) & §2.1093 - RF EXPOSURE INFORMATION ............................................................................ 13 TEST RESULT ............................................................................................................................................................. 13 FCC §2.1047 - MODULATION CHARACTERISTIC ............................................................................................ 14 FCC §2.1046; § 22.913 (A); § 24.232 (C); §27.50 (B) (C) (D) (H) - RF OUTPUT POWER ........................…

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