2AHN6-OPCP5155W Wireless Glow Charger

1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 DD CC BB AA USB_MICRO-5V YM-K9L Emission coil MCU CBB 334 100V 2301*22302*2 Wireelss charging indicator 115-205kHz

Shenzhen Accurate Technology Co., Ltd. Project No.:SZNS211209-62052E-RF External Photos Page 1 of 3 External Photos Shenzhen Accurate Technology Co., Ltd. Project No.:SZNS211209-62052E-RF External Photos Page 2 of 3 Shenzhen Accurate Technology Co., Ltd. Project No.:SZNS211209-62052E-RF External Photos Page 3 of 3

Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS211209-62052E-RF LABEL AND LOCATION Page 1 of 1 FCC ID Label FCC ID Label Location Information The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925)

Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS211209-62052E-RF Internal Photos Page 1 of 3 Internal photos Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS211209-62052E-RF Internal Photos Page 2 of 3 Antenna Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS211209-62052E-RF Internal Photos Page 3 of 3

Wireless charging way description： 1.USB_MICRO-5V Power supply input to YM-K9L wireless charger IC, through YM-K9L internal processing, tie-in transmitter coil charge their phone (emission frequency range 115-205 kHz, according to the charging power frequency automatic adjustment)

Shenzhen Accurate Technology Co., Ltd. Report No.: SZNS211209-62052E-RF-00 Version 43: 2021-11-09 Page 9 of 22 FCC- WPT FCC §1.1310, §2.1091- MAXIMUM PERMISSIBLE EXPOSURE (MPE) Applicable Standard According to subpart §1.1310, systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Maximum Permissible Exposure (MPE) (§1.1310, §2.1091) (B) Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Averaging Time (minutes) 0.3–1.34 614 1.63 *(100) 30 1.34–30 824/f 2.19/f *(180/f²) 30 30–300 27.5 0.073 0.2 30 300–1500 / / f/1500 30 1500–100,000 / / 1.0 30 f = frequency in MHz; * = Plane-wave equivalent power density; According with KDB 680106 D01 RF Exposure Wireless Charging Apps v03r01 clause 3 c) According to KDB 680106 D01 RF Exposure Wireless Charging App v03r01 clause 5 b) Shenzhen Accurate Technology Co., Ltd. Report No.: SZNS211209-62052E-RF-00 Version 43: 2021-11-09 Page 10 of 22 FCC- WPT Block Diagram of Test Setup Note: 20 cm for Top test. Test Data Environmental Conditions Temperature:25°C Relative Humidity: 53% ATM Pressure: 101.0 kPa The testing was performed by Ting Lv on 2021-12-23. Test Mode: Wireless Charging (Worst case for full load) 15cm Shenzhen Accurate Technology Co., Ltd. Report No.: SZNS211209-62052E-RF-00 Version 43: 2021-11-09 Page 11 of 22 FCC- WPT H-Field Strength Frequency Range (kHz) Position A (A/m) Position B (A/m) Position C (A/m) Position D (A/m) Position E (A/m) 50% Limit (A/m) Limit (A/m) 115-205 0.114 0.122 0.109 0.131 0.149 0.815 1.63 E-Field Strength Frequency Range (kHz) Position A (V/m) Position B (V/m) Position C (V/m) Position D (V/m) Position E (V/m) 50% Limit (V/m) Limit (V/m) 115-205 0.521 0.549 0.515 0.538 0.659 307 614 Note: Test with 15cm distance from the center of the probe(s) to the edge of the device, 20cm from the center of the probe(s) to the top of the device. Result: Pass Considerations of compliance 680106 D01 RF Exposure Wireless Charging App v03r01 clause 5 b: (1) Power transfer frequency is less than 1 MHz. Yes, the operation frequency is 115-205kHz. (2) Output power from each primary coil is less than or equal to 15 watts. Yes, the maximum output power of primary coil is 5Watts. (3) The system may consist of more than one source primary coils, charging one or more clients. If more than one primary coil is present, the coil pairs may be powered on at the same time. The transfer system includes one primary coil to detect and allow coupling only between individual pairs of coils. (4) Client device is placed directly in contact with the transmitter. Yes, client device is placed directly in contact with the transmitter (5) Mobile exposure conditions only (portable exposure conditions are not covered by this exclusion). Yes, mobile exposure conditions only (6) The aggregate H-field strengths anywhere at or beyond 15 cm surrounding the device, and 20 cm away from the surface from all coils that by design can simultaneously transmit, and while those coils are simultaneously energized, are demonstrated to be less than 50% of the applicable MPE limit. Yes, the test result for H and E-Field strength less than 50% of the MPE limit.

1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 DD CC BB AA R3 4.7R C12 106 GND C10 NC R6 10K R7 10K GND D 1 6 D13BLU R2 470R R1 1K C1 106 GND R14 180K R15 36K GNDGND C2 106 VCC L1 OUT C13224/50V C14224/50V GND PWM_DW PWM_UP G 1 D 2 S 3 Q2 3400 G 1 D 2 S 3 Q4 3401 G 1 D 2 S 3 Q1 3400 G 1 D 2 S 3 Q3 3401 RLED GLED C6 NC C5 NC GND C9 CBB 334 100V GND C7 NC R5 NC R4 NC D1 IN4148 R16 1K R11 NC GND C19 103 GND C18 103 R13 100K C17 103 GND R10 NC GND R9 NC R12 24K GND 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 U1 YM-K9L OVP OVP MOD_BU MOD_BU GND +5V R8 10K VCC GND +5V GND GND 5 ID 4 DP 3 DM 2 POWER 1 J2 USB-PORT5 D14BLU D15BLU

Note: This report may contain data that are not covered by th ★ e A2LA accreditation and are marked with an asterisk “ ”. Shenzhen Accurate Technology Co., Ltd. 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. Shenzhen Accurate Technology Co., Ltd. 1/F., Building A, Changyuan New Material Port, Science & Industry Park, Nanshan District, Shenzhen, Guangdong, P.R. China Tel: +86 755-26503290 Fax: +86 755-26503396 Web: www.atc-lab.com Version 43: 2021-11-09 Page 1 of 22 FCC- WPT TEST REPORT Applicant Name : Bytech NY lnc. Address : 2585 West 13th Street,Brooklyn NY 11223 USA Report Number : SZNS211209-62052E-RF-00 FCC ID: 2AHN6-OPCP515 Test Standard (s) FCC Part 15C Sample Description Product Type: 5W Wireless Glow Charger Model No.: BY-OP-CP-515-AC Multiple Model(s) No.: N/A Trade Mark: Date Received: 2021/12/09 Date of Test: 2021/12/21~2021/12/31 Report Date: 2022/01/08 Test Result: Pass* * In the configuration tested, the EUT complied with the standards above. Prepared and Checked By: Approved By: Ting Lü Candy Li EMC Engineer EMC Engineer Shenzhen Accurate Technology Co., Ltd. Report No.: SZNS211209-62052E-RF-00 Version 43: 2021-11-09 Page 2 of 22 FCC- WPT TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 3 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 3 OBJECTIVE ................................................................................................................................................................... 3 TEST METHODOLOGY .................................................................................................................................................. 3 MEASUREMENT UNCERTAINTY .................................................................................................................................... 3 TEST FACILITY ............................................................................................................................................................. 4 SYSTEM TEST CONFIGURATION .......................................................................................................................... 5 JUSTIFICATION ............................................................................................................................................................. 5 EUT EXERCISE SOFTWARE .......................................................................................................................................... 5 LOCAL SUPPORT EQUIPMENT ....................................................................................................................................... 5 EXTERNAL I/O CABLE .................................................................................................................................................. 5 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 5 SUMMARY OF TEST RESULTS ............................................................................................................................... 7 TEST EQUIPMENT LIST ........................................................................................................................................... 8 FCC §1.1310, §2.1091- MAXIMUM PERMISSIBLE EXPOSURE (MPE) ............................................................. 9 APPLICABLE STANDARD .............................................................................................................................................. 9 BLOCK DIAGRAM OF TEST SETUP .............................................................................................................................. 10 TEST DATA ................................................................................................................................................................ 10 FCC§15.203 – ANTENNA REQUIREMENT ........................................................................................................... 12 APPLICABLE STANDARD ............................................................................................................................................ 12 ANTENNA CONNECTED CONSTRUCTION .................................................................................................................... 12 FCC §15.207 – AC LINE CONDUCTED EMISSION ............................................................................................. 13 APPLICABLE STANDARD ............................................................................................................................................ 13 EUT SETUP ................................................................................................................................................................ 13 EMI TEST RECEIVER SETUP ....................................................................................................................................... 13 TEST PROCEDURE ...................................................................................................................................................... 13 CORRECTED FACTOR & MARGIN CALCULATION ....................................................................…

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Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS211209-62052E-RF Page 1 of 7 Photo of Conducted Emission Measurement Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS211209-62052E-RF Page 2 of 7 Photo of Radiated Emission Measurement (Below 30MHz) Photo of Radiated Emission Measurement (Below 1GHz) Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS211209-62052E-RF Page 3 of 7 Photos for E-Field Strength Position A (Distance 15cm) Position B (Distance 15cm) Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS211209-62052E-RF Page 4 of 7 Position C (Distance 15cm) Position D (Distance 15cm) Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS211209-62052E-RF Page 5 of 7 Position E (Distance 20cm) Photos for H-Field Strength: Position A (Distance 15cm) Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS211209-62052E-RF Page 6 of 7 Position B (Distance 15cm) Position C (Distance 15cm) Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS211209-62052E-RF Page 7 of 7 Position D (Distance 15cm) Position E (Distance 20cm)