2AHN6-AEWireless Keyboard-Black Dongle

RF Dongle Functional block diagram USB Interface 16M 2402MHz-2480MHz SE69D RF

Bytech NY Inc. 2585 West 13th Street,Brooklyn NY 11223,New York, United States Tel: 718-449-3700 | Fax: 718-449-2488 E-mail: [email protected] FCC Authorization 11/16/2020 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We, Bytech NY Inc. the undersigned, hereby authorize Bay Area Compliance Laboratories Corporation to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Bay Area Compliance Laboratory1 Corporation on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signature: Printed Name: Soli Mizrahi Title: President QA-FR-170-B

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201116832-RF Page 1 of 3 EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201116832-RF Page 2 of 3 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201116832-RF Page 3 of 3

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201116832-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) Label Here

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201116832-RF Page 1 of 2 EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201116832-RF Page 2 of 2 Antenna

1234 A B C D 4 321 D C B A 2.4G Wireless Dongle Electrical Diagrams Grade: A 08 Main Circuit Created Checked Standarded Approved Created Date DM DP C3 4.7uF +5V D+ 3 D- 2 VCC 1 GND 4 USBA USB4P ANT1 2.4G CF1 NC Matching Circuit CF2 NC ANT CF3 1.2PF P1.2 1 P2.1 2 P2.0 3 P1.3 4 OUT33V 5 VBUS 6 D- 7 D+ 8 DVSS 9 P0.4 10 P0.3 11 P0.2 12 VSSIO 13 VDDIO 14 P1.0 15 P1.4 16 P1.5 17 P1.6 18 P1.7 19 DVSS 20 VDET 21 VDDVCO 22 VSSPLL 23 VSSVCO 24 AVSS 25 XTALP 26 XTALN 27 VDDPA 28 RFN 29 RFP 30 VSSRF 31 AVSS 32 AVCC 33 ADCREF 34 VSSADC 35 DVSS 36 OUT1.9V 37 CP_EN 38 DVDD 39 RESET 40 CDVDD 41 CP3 42 CP1 43 CP2 44 VSSCP 45 VDDIO 46 VSSIO 47 TEST 48 P1.1 49 P0.1 50 P0.0 51 P0.7 52 P0.6 53 P0.5 54 U1 SE69D VCC VCC VCC VCC C7 NC Y1 16MHZ+/-20PPM 12pF VCC VCC C1 105 ANT VCC +5V DM DP P1.0 VCCR1 3.3R PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201116832-RF Page 1 of 2 EXHIBIT D - TEST SETUP PHOTOGRAPHS Conducted Emissions View (Front View) Conducted Emissions View (Side View) Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201116832-RF Page 2 of 2 Radiated Emissions View (Below 1 GHz) Radiated Emissions View (Above 1 GHz)