2AHN6-ADBT100Bluetooth TV Adapter-BK

Bytech NY Inc. 2585 West 13th Street,Brooklyn NY 11223 Tel: 718-449-3700 | Fax: 718-449-2488 E-mail: [email protected] Date: 20/01/2021 To: FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 To whom it may concern: The RF chip, model: AC6928, installed in our product Bluetooth TV Adapter-BK (Model number: BY-AD-BT-100-BK, FCC ID: 2AHN6-ADBT100), which support Bluetooth BDR(GFSK) , EDR(π/4‐DQPSK) for use in the US marketing this chip will not support/enable the EDR(8DPSK) and BLE. And 8DPSK, BLE function has been shielded by the manufacturer by using the software Sincerely Yours, Signature: Printed Name: Soli Mizrahi Title: President

Block diagram Bluetooth Chip(AC6928) PCB Antenna Bluetooth: 2402~2480MHz Crystal Oscillator 24MHz

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201207834-RF Page 1 of 3 EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201207834-RF Page 2 of 3 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201207834-RF Page 3 of 3

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201207834-RF EXHIBIT A - FCC ID LABEL AND LOCATION 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)

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201207834-RF Page 1 of 3 EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201207834-RF Page 2 of 3 BT Antenna Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201207834-RF Page 3 of 3

Functions: The product is powered on by default in the transmit mode, the red indicator light flashes quickly, long press the function key to switch to the receiving state, and the blue indicator light flashes rapidly. Pairing steps: A: Launch mode: 1. Plug the device into the USB port to supply power (such as TV, computer, mobile phone charger on the USB charging port), the device will automatically turn on, the device lights red and flashes quickly, that is, enters the wireless search state; 2. Insert the 3.5MM audio cable into the 3.5mm audio port on the device, and insert the other end of the audio cable into the audio output interface of the computer, TV, projector, mobile phone, tablet, MP3, CD player, etc. :the device's headphone output interface); 3. Turn on the audio receiving device (such as wireless headset, wireless speaker, etc.) to the pairing state, the device will be paired automatically, the pairing is successful, and the red indicator light is always on; 4. If it is not the wireless device you want to connect to, you can quickly search for the next wireless audio receiving device by briefly pressing the function button on the device. B: Receive mode: 1. Plug the device into the USB port for power supply (5V USB interface), the device will automatically turn on, the device will light red indicator light and flash quickly, often press the function button, the indicator light will switch to blue, and flash quickly, that is, enter wireless reception. 2. Insert the 3.5MM audio cable into the 3.5mm audio port on the device, and insert the other end of the audio cable into the AUX port of the playback device (headphone, speaker, etc.); 3. Turn on the wireless function of the mobile phone (or computer), search for the surrounding wireless devices, find a device named “wireless music adapter” in the search results, find it and match it with it. After the pairing is successful, the indicator light on the wireless receiver becomes constantly lit state. When you have a coming call, press the button to answer the call hands-free. C: RF information: 1. Bluetooth Chip: AC6928 2. Crystal Oscillator: 24MHz 3. Antenna Specification: PCB Antenna: 3 dBi 4. Frequency Range: 2402~2480MHz

AC6928B LED1 BLED LED2 RLED 1 VCC 2 D- 3 D+ 4 ID 5 GND 98 67 J5 C5 105 C6 105 C7 105 P07/A7 P06/A6 P21/A9 P22/A10 P23/TDI P24/TDO P25/TCK P26/TMS P27/RES P10/XINP11/XOUT VDD P00/A0/FLT0 GND P01/A1/FLT1 P02/A2/FLT2 P03/A3 P04/A4 P05/A5 P20/A8 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 U1 AS208P03336-28B4 R12 1K 4 3 2 1 CN2 PJ3505 R1 1K C1 105 R2 6.8K C2 105 C3 105 R3 6.8K C4 105 C8 105 C9 105 SW7 R4 22K R5 22K U2 SI2305 Y1 24MHZ MIC OUT OUT IN DET IN DET ANT DET1

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. FCC PART 15.247 TEST REPORT For Bytech NY Inc. 2585 West 13th Street,Brooklyn NY 11223 FCC ID: 2AHN6-ADBT100 Report Type: Original Report Product Type: Bluetooth TV Adapter-BK Re port Number: RSZ201207834-00 Re port Date: 2021-01-06 Reviewed B y: Jacob Kong RF Engineer Prepared By: 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.: RSZ201207834-00 FCC Part 15.247 Page 2 of 50 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 4 OBJECTIVE ................................................................................................................................................................... 4 TEST METHODOLOGY .................................................................................................................................................. 4 MEASUREMENT UNCERTAINTY .................................................................................................................................... 5 TEST FACILITY ............................................................................................................................................................. 5 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EUT EXERCISE SOFTWARE .......................................................................................................................................... 6 SPECIAL ACCESSORIES ................................................................................................................................................. 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 6 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 6 EXTERNAL I/O CABLE .................................................................................................................................................. 6 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 7 SUMMARY OF TEST RESULTS ............................................................................................................................... 8 TEST EQUIPMENT LIST ........................................................................................................................................... 9 FCC §15.247 (i) & §2.1091- MAXIMUM PERMISSIBLE EXPOSURE (MPE) ........................................................ 10 APPLICABLE STANDARD ............................................................................................................................................ 10 RESULT ...................................................................................................................................................................... 10 FCC §15.203 – ANTENNA REQUIREMENT .......................................................................................................... 11 APPLICABLE STANDARD ............................................................................................................................................ 11 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 11 FCC §15.207 (a) – AC LINE CONDUCTED EMISSIONS ..................................................................................... 12 APPLICABLE STANDARD ............................................................................................................................................ 12 EUT SETUP ................................................................................................................................................................ 12 EMI TEST RECEIVER SETUP ....................................................................................................................................... 12 TEST PROCEDURE ...................................................................................................................................................... 12 CORRECTED FACTOR & MARGIN CALCULATION ....................................................................................................... 13 TEST DATA ................................................................................................................................................................ 13 FCC §15.205, §15.2…

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Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ200827834-RF Page 1 of 2 EXHIBIT D - TEST SETUP PHOTOGRAPHS Conducted Emissions - Front View Conducted Emissions - Side View Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201207834-RF Page 2 of 2 Radiated Emissions View (Below 1 GHz) Radiated Emissions View (Above 1 GHz)