SS4SF650Smart Full Touch Handheld Computer

SF650 Quick Guide This user manual is protected by copyright. Copyright © 2020 Bluebird Inc. All rights reserved. Bluebird Inc. is the designer and manufacturer of Bluebird handheld mobiles. This manual and the programs in this device are protected under international copyright laws, and may not be copied, distributed, translated, or removed by any means. Registered Trademark BLUEBIRD is an emerging global brand, striving to lead the market in performance and mobility. Their products represent reliability, innovation, and innovative technology. Bluebird is a registered trademark from the global brand of Bluebird Inc. and is copyright protected. • Bluebird and stylized Bluebird Logo are registered trademarks and symbols of Bluebird Inc. • Qualcomm ® IZat™ is a registered trademark of Qualcomm Atheros, Inc.trademark of Qualcomm Atheros, Inc. • Adobe ® is a registered trademark of Adobe Systems Inc. • All other trademarks and copyrights are the property of their respective owners. User’s Guidance Device type User’s guidance Class B Device (Household Information & Communication) This device has qualified the electromagnetic wave suitable registration and can be used as a household device at a residential area as well as any other areas. Type Registration This wireless device may cause propagation interference, and so, it cannot be used for life-saving services. 1 Safety Information 1.1 Symbols This manual uses the following symbols to indicate hazards and additional information. Symbol Name Description Warning Indicates situations that could cause injury to yourself or others. Caution Indicates situations that could cause damage to your device or other equipment. Note Indicates additional information that can help you get the most out of the device. Please read this safety precaution information carefully. Failure to follow the information provided may result in fire, electric shock, or other property damage or bodily injuries. 2.Device • Do not press the Power button on the device if the device is wet or do not touch adapter or power cord with wet hands. There is risk of electric shock. • Do not use your device in an explosive danger zone. • If your device becomes wet, do not put your device in heaters, microwaves, etc. to dry it. There is a risk of explosion or malfunction. • Do not scratch the device’s touchscreen. Use only your fingers or a compatible pen. Never use an actual pen, or any other sharp object on the touchscreen. • Although this device is very sturdy, do not drop, hit, bend, or sit on it on purpose. It can be broken. • Do not modify, take apart, or repair the device. Contact to your customer service center. Failure to do so will void your warranty. • Do not attempt to modify your hardware or software. It may cause device malfunction and void your warranty. • You may not be able to use this wireless device in basements, open fields, skyscrapers, or other places where the signal is weak. • Backup the data and information from your device. Your data, such as ringtones, texts, and voice messages, may be erased during repairs or upgrades. • Do not paint your device. It can damage your screen or your device’s exterior. • Avoid using or storing this device at extreme temperatures. This device is designed to work at temperatures between -20°C and 5 5°C (-4°F and 131°F), and humidity level 95%. 1 Safety Information 1.3 Environment • Do not use the device while driving or operating heavy machinery. Doing so may result in death or serious injury. • Do not use the device in locations with combustible goods. Doing so may result in an explosion. • Do not use the device in dusty or hot locations. Doing so may damage the device. • Do not expose your device to direct sunlight such as on the dashboard of a car for extended periods of time. • Do not use the device in humid locations. Doing so may damage the device and void the warranty. • Do not keep the device close to air conditioner vents. Corrosion within the device may occur due to condensation from changes in temperature. • Do not allow children to play with the device. 4.Charging • Use only the approved charger. Using an incompatible charger may cause device malfunction or other damage, such as fire. • Charge the battery at least once a year. If you keep it without charging for a long time, it may cause device malfunction. 5.Distraction In some situations, using your device may distract you and cause serious injuries and damages. For ex ample, avoid talking on the phone or texting while driving or riding a bicycle. It is strictly prohibited by la w in some jurisdictions. If you cannot avoid using your device while driving, stop your vehicle or use ha nd-free kit. 6.Frequency Interference • This wireless device may cause radio frequency interference, so use Airplane mode or turn off the device when prohibited. • The device emits an electromagnetic fields. It may interfere with your medical devices. • Do not place credit cards, phone cards, bankbook, and tickets next to the device. The magnetic field of the device can damage their magnetic strips. 2 2 Overview The illustrations may differ from your actual items. SF650 Device USB Cable (Type-C) Charging Adapter 2.1 Package Contents The package includes: SF650 3 2.2.2 Back - SF650 Function button Reciever Rear camera Camera flash Power button Touch screen Volume up button Volume down button Charging Notification (Status LED) Front Camera 4 Overview 2. Your Device 1. Front - SF650 Proximity Sensor / Light Sensor C-type connector Microphone (1) Microphone (2) Speaker Overview 2.2.3 Top and Bottom - SF650 Top View : SF650 Headset jack 5 Bottom View : SF650 3 Insert the Nano SIM into the place specified in the picture below. 3 Getting Started 1. Installing the Cards 1. Insert a Nano SIM card 1. Remove the Battery Cover. 2 Remove the Battery . 1 6 2 Getting Started 3.1.2 Inserting a Micro SD Card 1 Remove the Battery Cover. 2 Remove the Battery 3 Insert the Micro SD card into the place specified…

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Report No.: CHTEW22120050 Page: 27 of 34 Date of issue: 2022-12-08 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) 7. EXTERNAL AND INTERNAL PHOTOS OF THE EUT 7.1. External photos Report No.: CHTEW22120050 Page: 28 of 34 Date of issue: 2022-12-08 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) Report No.: CHTEW22120050 Page: 29 of 34 Date of issue: 2022-12-08 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01)

Report No.: CHTEW22120050 Page: 30 of 34 Date of issue: 2022-12-08 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) 7.2. Internal photos Report No.: CHTEW22120050 Page: 31 of 34 Date of issue: 2022-12-08 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) Report No.: CHTEW22120050 Page: 32 of 34 Date of issue: 2022-12-08 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) Report No.: CHTEW22120050 Page: 33 of 34 Date of issue: 2022-12-08 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) Report No.: CHTEW22120050 Page: 34 of 34 Date of issue: 2022-12-08 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) 8. APPENDIX REPORT

Page: 1 of 58 Page: 1of 58 TEST REPORT For SAR Report No. ...................................... : CHTEW22120086 Report vertificat ion: Project No. ...................................... : SHT2208214103EW FCC ID ............................................. : SS4SF650 Applicant’s name ........................... : BLUEBIRD INC. Address ............................................. : 3F, 115, Irwon-ro, Gangnam-gu, Seoul, Republic of Korea Test item description .................... : Smart Full Touch Handheld Computer Trade Mark ....................................... : BLUEBIRD Model/Type reference ....................... : SF650 List ed Model(s) ................................. : - Standard ......................................... : FCC 47 CFR Part2.1093 IEEE Std C95.1: 1999 Edition IEEE Std 1528: 2013 Date of receipt of test sample..........: Nov.15, 2022 Date of testing..............................: Nov.16, 2022-J an.04, 2023 Date of issue...............................: Jan.05, 2023 Result .................. ........................: PASS Compiled by ( position+printedname+signature) ... : File administrators Fanghui Zhu Supervised by (position+printedname+signature) .... : Project Engineer Xiaodong Zhao Approved by ( position+printedname+signature) ... : Manager: Hans Hu Testing Laboratory Name ............. : Shenzhen Huatongwei International Inspection Co., Ltd Address ............................................. : 1/F, Bldg 3, Hongfa Hi-tech Industrial Park, Genyu Road, Tianliao, Gongming, Shenzhen, China Shenzhen Huatongwei International Inspection Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Huatongwei International Inspection Co., Ltd is acknowledged as copyright owner and source of the material. Shenzhen Huatongwei International Inspection Co., Ltd takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. The test report merely correspond to the test sample. Report No.: CHTEW22120086 Page: 2 of 58 Issued: 2023-01-05 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) Contents 1. Statement of Compliance 3 2. Test Standards and Report version 4 2.1. Test Standards 4 2.2. Report version 4 3. Summary 5 3.1. Client Information 5 3.2. Product Description 5 3.3. RF Specification Description 6 3.4. Testing Laboratory Information 7 3.5. Environmental conditions 7 4. Equipments Used during the Test 8 5. Proximity Sensor Triggering Test 9 5.1. Proximity sensor triggering distances(Per KDB616217§6.2) 9 6. Measurement Uncertainty 17 7. SAR Measurement System Configuration 18 7.1. SAR Measurement Set-up 18 7.2. DASY5 E-field Probe System 19 7.3. Phantoms 20 7.4. Device Holder 20 8. SAR Test Procedure 21 8.1. Scanning Procedure 21 8.2. Data Storage and Evaluation 23 9. Position of the wireless device in relation to the phantom 25 9.1. Head Position 25 9.2. Body Position 26 9.3. Hotspot Mode Exposure conditions 26 10. Dielectric Property Measurements & System Check 27 10.1. Tissue Dielectric Parameters 27 10.2. System Check 29 11. SAR Exposure Limits 41 12. Conducted Power Measurement Results and Tune-up 42 13. Antenna Location 45 14. Measured and Reported SAR Results 46 15. SAR Measurement Variability 49 16. Simultaneous Transmission analysis 50 16.1. Simultaneous Transmission 50 16.2. SPLSR Evaluation and Analysis 51 17. Test Setup Photos 56 18. External and Internal Photos of the EUT 58 Report No.: CHTEW22120086 Page: 3 of 58 Issued: 2023-01-05 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) 1. Statement of Compliance Maximum Reported SAR (W/kg @1g) Type Test setting WWAN WIFI 2.4G U-NII BT Simultaneous Head Cheek 0.374 0.357 0.280 0.069 0.700 Body-worn Dist.= 10mm 1.133 0.228 0.517 0.041 1.564 Hotspot Dist.= 10mm 1.133 0.228 0.517 0.041 1.564 Note: 1. This device is in compliance with Specific Absorption Rate (SAR) for general population/uncontrolled exposure limits (1.6 W/kg@1g) specified in FCC 47 CFR part 2 (2.1093) and IEEE Std C95.1, 2. This device had been tested in accordance with the measurement methods and procedures specified in IEEE 1528 and FCC KDB publications. Report No.: CHTEW22120086 Page: 4 of 58 Issued: 2023-01-05 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) 2. Test Standards and Report version 2.1. Test Standards The tests were performed according to following standards: FCC 47 Part 2.1093: Radiofrequency radiation exposure evaluation: portable devices. IEEE Std C95.1, 1999 Edition: IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz IEEE Std 1528™-2013: IEEE Recommended Practice for Determining the Peak Spatial-Average Specific Absorption Rate (SAR) in the Human Head from Wireless Communications Devices: Measurement Techniques. FCC published RF exposure KDB procedures: 865664 D01 SAR Measurement 100 MHz to 6 GHz v01r04: SAR Measurement Requirements for 100 MHz to 6 GHz 865664 D02 RF Exposure Reporting v01r02: RF Exposure Compliance Reporting and Documentation Considerations 447498 D04 Interim General RF Exposure Guidance v01: Mobile and Portable Device RF Exposure Procedures and Equipment Authorization Policies 248227 D01 802 11 Wi-Fi SAR v02r02: SAR Measurement Proceduresfor802.11 a/b/g Transmitters 648474 D04 Handset SAR v01r03: SAR Evaluation Considerations for Wireless Handsets 941225 D01 3G SAR Procedures v03r01: SAR Measurement Procedures for 3G Devices 941225 D05 SAR for LTE Devices v02r05: SAR Evaluation Considerations for LTE Devices 941225 D06 Hotspot Mode v02r01: SAR Evaluation Procedures for Portable Devices with Wireless Router Capabilities TCB workshop April, 2019; Page 19, Tissue Simulating Liquids (TSL) 2.2. Report version Revision No. Date…

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Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR Lab Date: 11/21 /2022 LTE Band 12-M-Head Communication System: UID 0, Generic LTE-FDD (0); Frequency: 707.5 MHz;Duty Cycle: 1:1 Medium parameters used (interpolated): f = 707.5 MHz; σ = 0.902 S/m; ε r = 42.054; ρ = 1000 kg/m 3 Phantom section: Right Section Ambient Temperature:22.6°C;Liquid Temperature:22.4°C; DASY Configuration: lProbe: EX3DV4 - SN7494; ConvF(10.6, 10.6, 10.6) @ 707.5 MHz; Calibrated: 5/16/2022 lSensor-Surface: 1.4mm (Mechanical Surface Detection) lElectronics: DAE4 Sn1549; Calibrated: 4/12/2022 lPhantom: Twin-SAM V8.0 ; Type: QD 000 P41 AA; Serial: 1974 lDASY52 52.10.2(1495); SEMCAD X 14.6.12(7450) Right Touch Check/CH 23095/Area Scan (61x121x1): Interpolated grid: dx=1.500 mm, dy=1.500 mm Maximum value of SAR (interpolated) = 0.206 W/kg Right Touch Check/CH 23095/Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 6.161 V/m; Power Drift = -0.15 dB Peak SAR (extrapolated) = 0.227 W/kg SAR(1 g) = 0.165 W/kg; SAR(10 g) = 0.125 W/kg Maximum value of SAR (measured) = 0.203 W/kg 0 dB = 0.203 W/kg = -6.93 dBW/kg Appendix D: SAR Test Data Plots Plot No.10 Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR Lab Date: 11/21 /2022 LTE Band 13-M-Head Communication System: UID 0, Generic LTE-FDD (0); Frequency: 782 MHz;Duty Cycle: 1:1 Medium parameters used (interpolated): f = 782 MHz; σ = 0.937 S/m; ε r = 41.803; ρ = 1000 kg/m 3 Phantom section: Right Section Ambient Temperature:22.2°C;Liquid Temperature:22.0°C; DASY Configuration: lProbe: EX3DV4 - SN7494; ConvF(10.6, 10.6, 10.6) @ 782 MHz; Calibrated: 5/16/2022 lSensor-Surface: 1.4mm (Mechanical Surface Detection) lElectronics: DAE4 Sn1549; Calibrated: 4/12/2022 lPhantom: Twin-SAM V8.0 ; Type: QD 000 P41 AA; Serial: 1974 lDASY52 52.10.2(1495); SEMCAD X 14.6.12(7450) Right Touch Check/CH 23230/Area Scan (61x121x1): Interpolated grid: dx=1.500 mm, dy=1.500 mm Maximum value of SAR (interpolated) = 0.301 W/kg Right Touch Check/CH 23230/Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 6.485 V/m; Power Drift = 0.18 dB Peak SAR (extrapolated) = 0.338 W/kg SAR(1 g) = 0.245 W/kg; SAR(10 g) = 0.185 W/kg Maximum value of SAR (measured) = 0.301 W/kg 0 dB = 0.301 W/kg = -5.21 dBW/kg Appendix D: SAR Test Data Plots Plot No.11 Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR Lab Date: 11/22 /2022 LTE Band 14-M-Head Communication System: UID 0, Generic LTE-FDD (0); Frequency: 793 MHz;Duty Cycle: 1:1 Medium parameters used (interpolated): f = 793 MHz; σ = 0.853 S/m; ε r = 41.762; ρ = 1000 kg/m 3 Phantom section: Right Section Ambient Temperature:22.3°C;Liquid Temperature:22.0°C; DASY Configuration: lProbe: EX3DV4 - SN7494; ConvF(10.6, 10.6, 10.6) @ 793 MHz; Calibrated: 5/16/2022 lSensor-Surface: 1.4mm (Mechanical Surface Detection) lElectronics: DAE4 Sn1549; Calibrated: 4/12/2022 lPhantom: Twin-SAM V8.0 ; Type: QD 000 P41 AA; Serial: 1974 lDASY52 52.10.2(1495); SEMCAD X 14.6.12(7450) Right Touch Check/CH 23330/Area Scan (61x121x1): Interpolated grid: dx=1.500 mm, dy=1.500 mm Maximum value of SAR (interpolated) = 0.372 W/kg Right Touch Check/CH 23330/Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 7.543 V/m; Power Drift = 0.09 dB Peak SAR (extrapolated) = 0.414 W/kg SAR(1 g) = 0.299 W/kg; SAR(10 g) = 0.225 W/kg Maximum value of SAR (measured) = 0.368 W/kg 0 dB = 0.368 W/kg = -4.34 dBW/kg Appendix D: SAR Test Data Plots Plot No.12 Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR Lab Date: 11/2 /2022 LTE Band 66-H-Head Communication System: UID 0, Generic LTE-FDD (0); Frequency: 1770 MHz;Duty Cycle: 1:1 Medium parameters used: f = 1770 MHz; σ = 1.347 S/m; ε r = 39.363; ρ = 1000 kg/m 3 Phantom section: Right Section Ambient Temperature:22.3°C;Liquid Temperature:22.1°C; DASY Configuration: lProbe: EX3DV4 - SN7494; ConvF(8.81, 8.81, 8.81) @ 1770 MHz; Calibrated: 5/16/2022 lSensor-Surface: 1.4mm (Mechanical Surface Detection) lElectronics: DAE4 Sn1549; Calibrated: 4/12/2022 lPhantom: Twin-SAM V8.0 ; Type: QD 000 P41 AA; Serial: 1974 lDASY52 52.10.2(1495); SEMCAD X 14.6.12(7450) Right Touch Check/CH 132572/Area Scan (61x121x1): Interpolated grid: dx=1.500 mm, dy=1.500 mm Maximum value of SAR (interpolated) = 0.260 W/kg Right Touch Check/CH 132572/Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 5.522 V/m; Power Drift = -0.21 dB Peak SAR (extrapolated) = 0.277 W/kg SAR(1 g) = 0.185 W/kg; SAR(10 g) = 0.120 W/kg Maximum value of SAR (measured) = 0.245 W/kg 0 dB = 0.245 W/kg = -6.11 dBW/kg Appendix D: SAR Test Data Plots Plot No.13 Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR Lab Date: 12/2/2022 Wifi 2.4G-M-Head Communication System: UID 0, Generic WIFI (0); Frequency: 2437 MHz;Duty Cycle: 1:1 Medium parameters used (interpolated): f = 2437 MHz; σ = 1.802 S/m; ε r = 39.42; ρ = 1000 kg/m 3 Phantom section: Left Section Ambient Temperature:22.2°C;Liquid Temperature:22.0°C; DASY Configuration: lProbe: EX3DV4 - SN7494; ConvF(7.9, 7.9, 7.9) @ 2437 MHz; Calibrated: 5/16/2022 lSensor-Surface: 1.4mm (Mechanical Surface Detection) lElectronics: DAE4 Sn1549; Calibrated: 4/12/2022 lPhantom: Twin-SAM V8.0 ; Type: QD 000 P41 AA; Serial: 1974 lDASY52 52.10.2(1495); SEMCAD X 14.6.12(7450) Left Touch Check/CH 6/Area Scan (71x151x1): Interpolated grid: dx=1.200 mm, dy=1.200 mm Maximum value of SAR (interpolated) = 0.509 W/kg Left Touch Check/CH 6/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 8.172 V/m; Power Drift = 0.13 dB Peak SAR (extrapolated) = 0.747 W/kg SAR(1 g) = 0.346 W/kg; SAR(10 g) = 0.171 W/kg Maximum value of SAR (measured) = 0.573 W/kg 0 dB = 0.573 W/kg = -2.42 dBW/kg Appendix D: SAR Test Data Plots Plot No.14 Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR LabDate: 12/5/2022 Wifi 5G U-NII-1-L-Head Communication System: UID 0…

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Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR Lab Date: 12/2/2022 Wifi 2.4G-M-Body Communication System: UID 0, Generic WIFI (0); Frequency: 2437 MHz;Duty Cycle: 1:1 Medium parameters used (interpolated): f = 2437 MHz; σ = 1.802 S/m; ε r = 39.42; ρ = 1000 kg/m 3 Phantom section: Flat Section Ambient Temperature:22.4°C;Liquid Temperature:22.2°C; DASY Configuration: lProbe: EX3DV4 - SN7494; ConvF(7.9, 7.9, 7.9) @ 2437 MHz; Calibrated: 5/16/2022 lSensor-Surface: 1.4mm (Mechanical Surface Detection) lElectronics: DAE4 Sn1549; Calibrated: 4/12/2022 lPhantom: Twin-SAM V8.0 ; Type: QD 000 P41 AA; Serial: 1974 lDASY52 52.10.2(1495); SEMCAD X 14.6.12(7450) Rear/CH 6/Area Scan (71x151x1): Interpolated grid: dx=1.200 mm, dy=1.200 mm Maximum value of SAR (interpolated) = 0.331 W/kg Rear/CH 6/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 3.245 V/m; Power Drift = -0.11 dB Peak SAR (extrapolated) = 0.429 W/kg SAR(1 g) = 0.221 W/kg; SAR(10 g) = 0.108 W/kg Maximum value of SAR (measured) = 0.352 W/kg 0 dB = 0.352 W/kg = -4.53 dBW/kg Appendix D: SAR Test Data Plots Plot No.33 Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR LabDate: 12/5/2022 Wifi 5G U-NII-1-L-Body Communication System: UID 0, Generic WIFI (0); Frequency: 5180 MHz;Duty Cycle: 1:1 Medium parameters used: f = 5180 MHz; σ = 4.746 S/m; ε r = 36.15; ρ = 1000 kg/m 3 Phantom section: Flat Section Ambient Temperature:22.4°C;Liquid Temperature:22.2°C; DASY Configuration: lProbe: EX3DV4 - SN7494; ConvF(5.61, 5.61, 5.61) @ 5180 MHz; Calibrated: 5/16/2022 lSensor-Surface: 1.4mm (Mechanical Surface Detection) lElectronics: DAE4 Sn1549; Calibrated: 4/12/2022 lPhantom: Twin-SAM V8.0 ; Type: QD 000 P41 AA; Serial: 1974 lDASY52 52.10.2(1495); SEMCAD X 14.6.12(7450) Rear/CH36/Area Scan (91x181x1): Interpolated grid: dx=1.000 mm, dy=1.000 mm Maximum value of SAR (interpolated) = 0.880 W/kg Rear/CH36/Zoom Scan (8x8x7)/Cube 0: Measurement grid: dx=4mm, dy=4mm, dz=1.4mm Reference Value = 2.288 V/m; Power Drift = -0.12 dB Peak SAR (extrapolated) = 1.37 W/kg SAR(1 g) = 0.437 W/kg; SAR(10 g) = 0.173 W/kg. Maximum value of SAR (measured) = 0.913 W/kg 0 dB = 0.913 W/kg = -0.40 dBW/kg Appendix D: SAR Test Data Plots Plot No.34 Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR LabDate: 12/5/2022 Wifi 5G U-NII-2A-H-Body Communication System: UID 0, Generic WIFI (0); Frequency: 5320 MHz;Duty Cycle: 1:1 Medium parameters used: f = 5320 MHz; σ = 4.881 S/m; ε r = 36.056; ρ = 1000 kg/m 3 Phantom section: Flat Section Ambient Temperature:22.3°C;Liquid Temperature:22.0°C; DASY Configuration: lProbe: EX3DV4 - SN7494; ConvF(5.61, 5.61, 5.61) @ 5320 MHz; Calibrated: 5/16/2022 lSensor-Surface: 1.4mm (Mechanical Surface Detection) lElectronics: DAE4 Sn1549; Calibrated: 4/12/2022 lPhantom: Twin-SAM V8.0 ; Type: QD 000 P41 AA; Serial: 1974 lDASY52 52.10.2(1495); SEMCAD X 14.6.12(7450) Rear/CH64/Area Scan (91x181x1): Interpolated grid: dx=1.000 mm, dy=1.000 mm Maximum value of SAR (interpolated) = 0.948 W/kg Rear/CH64/Zoom Scan (8x8x7)/Cube 0: Measurement grid: dx=4mm, dy=4mm, dz=1.4mm Reference Value = 2.342 V/m; Power Drift = -0.06 dB Peak SAR (extrapolated) = 1.48 W/kg SAR(1 g) = 0.442 W/kg; SAR(10 g) = 0.186 W/kg Maximum value of SAR (measured) = 0.983 W/kg 0 dB = 0.983 W/kg = -0.07 dBW/kg Appendix D: SAR Test Data Plots Plot No.35 Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR Lab Date: 12/6/2022 Wifi 5G U-NII-2C-H-Body Communication System: UID 0, Generic WIFI (0); Frequency: 5720 MHz;Duty Cycle: 1:1 Medium parameters used: f = 5720 MHz; σ = 5.258 S/m; ε r = 35.758; ρ = 1000 kg/m 3 Phantom section: Flat Section Ambient Temperature:22.2°C;Liquid Temperature:22.0°C; DASY Configuration: lProbe: EX3DV4 - SN7494; ConvF(4.97, 4.97, 4.97) @ 5720 MHz; Calibrated: 5/16/2022 lSensor-Surface: 1.4mm (Mechanical Surface Detection) lElectronics: DAE4 Sn1549; Calibrated: 4/12/2022 lPhantom: Twin-SAM V8.0 ; Type: QD 000 P41 AA; Serial: 1974 lDASY52 52.10.2(1495); SEMCAD X 14.6.12(7450) Rear/CH144/Area Scan (91x181x1): Interpolated grid: dx=1.000 mm, dy=1.000 mm Maximum value of SAR (interpolated) = 1.06 W/kg Rear/CH144/Zoom Scan (8x8x7)/Cube 0: Measurement grid: dx=4mm, dy=4mm, dz=1.4mm Reference Value = 1.852 V/m; Power Drift = -0.04 dB Peak SAR (extrapolated) = 1.61 W/kg SAR(1 g) = 0.457 W/kg; SAR(10 g) = 0.173 W/kg Maximum value of SAR (measured) = 1.03 W/kg 0 dB = 1.03 W/kg = 0.13 dBW/kg Appendix D: SAR Test Data Plots Plot No.36 Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR Lab Date: 12/6/2022 Wifi 5G U-NII-3-M-Body Communication System: UID 0, Generic WIFI (0); Frequency: 5785 MHz;Duty Cycle: 1:1 Medium parameters used (interpolated): f = 5785 MHz; σ = 5.328 S/m; ε r = 35.779; ρ = 1000 kg/m 3 Phantom section: Flat Section Ambient Temperature:22.5°C;Liquid Temperature:22.3°C; DASY Configuration: lProbe: EX3DV4 - SN7494; ConvF(4.97, 4.97, 4.97) @ 5785 MHz; Calibrated: 5/16/2022 lSensor-Surface: 1.4mm (Mechanical Surface Detection) lElectronics: DAE4 Sn1549; Calibrated: 4/12/2022 lPhantom: Twin-SAM V8.0 ; Type: QD 000 P41 AA; Serial: 1974 lDASY52 52.10.2(1495); SEMCAD X 14.6.12(7450) Rear/CH157/Area Scan (91x181x1): Interpolated grid: dx=1.000 mm, dy=1.000 mm Maximum value of SAR (interpolated) = 1.10 W/kg Rear/CH157/Zoom Scan (8x8x7)/Cube 0: Measurement grid: dx=4mm, dy=4mm, dz=1.4mm Reference Value = 1.872 V/m; Power Drift = -0.10 dB Peak SAR (extrapolated) = 1.67 W/kg SAR(1 g) = 0.473 W/kg; SAR(10 g) = 0.179 W/kg Maximum value of SAR (measured) = 1.07 W/kg 0 dB = 1.07 W/kg = 0.29 dBW/kg Appendix D: SAR Test Data Plots Plot No.37 Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR Lab Date: 12/2/2022 Bluetooth-L-Body Communication System: UID 0, Generic BT (0); Frequency: 2402 MHz;Duty Cycle: 1:1 Medium parameters used (interpolated): f = 2402 MHz; σ = 1.763 S/m; ε r = 39.41; ρ = 1000 kg/m 3 Phantom section: Flat Section Ambient Temperatur…

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Appendix F: Dipole Calibration Certificate 45 of 51 Appendix F: Dipole Calibration Certificate 46 of 51 Appendix F: Dipole Calibration Certificate 47 of 51 Appendix F: Dipole Calibration Certificate 48 of 51 Appendix F: Dipole Calibration Certificate 49 of 51 Appendix F: Dipole Calibration Certificate 50 of 51 Appendix F: Dipole Calibration Certificate 51 of 51 Extended Dipole Calibrations Referring to KDB865664 D01, if dipoles are verified in return loss (<-20dB, within 20% of prior calibration), and in impedance (within 5 ohm of prior calibration), the annual calibration is not necessary and the calibration interval can be extended. Head-5250 Date of measurement Return-loss (dB)Delta (%) Real Impedance (ohm) Delta (ohm) Imaginary impedance (ohm) Delta (ohm) 2021-01-26-31.347.8-1.46 2022-01-17-31.81.6047.30.5-1.060.4 Head-5600 Date of measurement Return-loss (dB)Delta (%) Real Impedance (ohm) Delta (ohm) Imaginary impedance (ohm) Delta (ohm) 2021-01-26-29.651.62.95 2022-01-17-30.1-1.0651.20.42.750.2 Head-5750 Date of measurement Return-loss (dB)Delta (%) Real Impedance (ohm) Delta (ohm) Imaginary impedance (ohm) Delta (ohm) 2021-01-26-29.350.03.42 2022-01-17-29.6-1.0250.70.73.020.4 The return loss is <-20dB, within 20% of prior calibration; the impedance is within 5ohm of prior calibration. Therefore the verification result should support extended calibration.

Project No.: SHT2208214102EW Radio Specification: WIFI 2.4G Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 1 of 35 APPENDIX REPORT Project No. SHT2208214102EW Radio Specification WIFI 2.4G Test sample No. YPHT22082141009 Model No. SF650 Start test date 2022-11-23 Finish date 2022-11-24 Temperature 26.2°C Humidity 61% Test Engineer Xiaoxiao Li Auditor Appendix clause Test item Result A Conducted Peak Output Power PASS B Power Spectral Density PASS C 6 dB Bandwidth PASS D 99% Occupied Bandwidth PASS E Duty Cycle PASS F Band edge and Spurious Emissions (conducted) PASS Project No.: SHT2208214102EW Radio Specification: WIFI 2.4G Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 2 of 35 Appendix A：Conducted Peak Output Power Type Channel Peak Output power (dBm) Average Output power (dBm) Limit (dBm) Result 802.11b 01 20.10 17.86 ≤ 30.00 Pass 06 20.34 17.89 11 20.13 17.72 802.11g 01 23.00 20.37 ≤ 30.00 Pass 06 23.20 20.42 11 22.95 19.91 802.11n (HT20) 01 23.07 20.21 ≤ 30.00 Pass 06 23.06 20.13 11 22.82 20.24 802.11n(HT40) 03 23.53 20.46 ≤ 30.00 Pass 06 23.53 20.38 09 23.49 20.56 Project No.: SHT2208214102EW Radio Specification: WIFI 2.4G Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 3 of 35 Appendix B：Power Spectral Density Type Channel Power Spectral Density (dBm/30KHz) Limit (dBm/3KHz) Result 802.11b 01 6.23 ≤8.00 Pass 06 5.61 11 6.84 802.11g 01 -0.97 ≤8.00 Pass 06 -1.59 11 -1.45 802.11n(HT20) 01 -1.14 ≤8.00 Pass 06 -1.74 11 0.10 802.11n(HT40) 03 -3.01 ≤8.00 Pass 06 -4.64 09 -3.73 Project No.: SHT2208214102EW Radio Specification: WIFI 2.4G Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 4 of 35 Type: 802.11 b CH01 Date: 23.NOV.2022 13:11:08 CH06 Date: 23.NOV.2022 13:14:12 CH11 Date: 23.NOV.2022 13:16:42 Project No.: SHT2208214102EW Radio Specification: WIFI 2.4G Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 5 of 35 Type: 802.11 g CH01 Date: 23.NOV.2022 13:25:37 CH06 Date: 23.NOV.2022 13:27:37 CH11 Date: 23.NOV.2022 13:29:18 Project No.: SHT2208214102EW Radio Specification: WIFI 2.4G Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 6 of 35 Type: 802.11n(HT20) CH01 Date: 23.NOV.2022 13:31:14 CH06 Date: 23.NOV.2022 13:33:14 CH11 Date: 23.NOV.2022 13:35:24 Project No.: SHT2208214102EW Radio Specification: WIFI 2.4G Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 7 of 35 Type: 802.11n(HT40) CH03 Date: 23.NOV.2022 13:37:47 CH06 Date: 23.NOV.2022 13:43:49 CH09 Date: 23.NOV.2022 13:46:02 Project No.: SHT2208214102EW Radio Specification: WIFI 2.4G Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 8 of 35 Appendix C：6dB bandwidth Type Channel 6dB Bandwidth (MHz) Limit (MHz) Result 802.11b 01 7.65 ≥0.5 Pass 06 8.13 11 8.13 802.11g 01 15.18 ≥0.5 Pass 06 15.78 11 15.18 802.11n(HT20) 01 15.18 ≥0.5 Pass 06 16.02 11 15.18 802.11n(HT40) 03 35.16 ≥0.5 Pass 06 35.94 09 33.96 Project No.: SHT2208214102EW Radio Specification: WIFI 2.4G Shenzhen Huatongwei International Inspection Co., Ltd. Appendix report page: 9 of 35 Type: 802.11 b CH01 Date: 25.NOV.2022 09:38:17 …

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