2AHN6-SFSH105BLTH Shutter Selfie Ring-ASST

Batteries 3V ST17H26

02t1aD02Q Bytech Ny Inc. 2585 Wesr lBth Street,Brooklyrr Ny I l223,NeW york, United States T et: 7 t8-449_3700 | Fax: 7 | E-449_2488 E-mai I : sol irn iz@bytech intl.corn FCC Authorizttion FEDERAL COMMLTNICATIONS COMMIS SIONS Authorization afird Evaluation Division 7435 Oakland Mills Road Colunnbia, MD21046 Subject: Agent,f, uthorization To whom it mayl concern: undersigned, hereby authorige Bay Area Compliance to act on its behalf in all mdtters relating to aiplication for Equiprnent auth{rizatio_n, including the signing of all documents relating to these mprrers. All acts carried qut by Bay Area compliance iaboratpry corporation on our behalf shall have the same effect as our own action. We, the undersiqned, hereby certify that we are not sulbject to a denial of federal beriefits, that includes FCp benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of l9gg, 2l u.s.c. 862. This authorization is valid until fufther written notice from the applicant. Sinceroly Y Signature: ,r,, Printed Name: SOli Mizrahi Title: President *lm f-E & sF TECl"l QA-FR- | 70-B

EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS

EXHIBIT A - FCC ID LABEL AND LOCATION FCC ID Label & 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)

EXHIBIT C - EUT INTERNAL PHOTOGRAPHS BLE Antenna

Circuit Description This is a device to control the phone selfie function by bluetooth connection, including bluetooth chip, crystal oscillator, button and indicator light. 1. Button offer power for the bluetooth chip 2. Crystal offer oscillation source for bluetooth chip via the 12 and 13 port on the bluetooth IC 3. Bluetooth signal will output to antenna via the 16 port on the bluetooth chip 4. Indicator will work to show status via via the 3 port on the bluetooth chip

1234 A B C D 4321 D C B A +BAT BAT VBAT C1 1UF LED1 RED 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 U1 ST17H26 R1 NC R2 NC C2 1UF C3 1UF SW1 SW X1 12MHz VBAT L1 0R C4 NC C5 NC A1 ANTENNA P1 VPP P2 SWS P3 LED P4 VDD P5 GND VBAT LED LED SWS SWS VPP VPP

Note: This report must not be used by the customer to claim product certification, approval, or endorsement by A2LA* or any agency of the Federal Government. 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, United States FCC ID: 2AHN6-SFSH105 Report Type: Original Report Product Type: BLTH Shutter Selfie Ring-ASST Re port Number: RSZ191217830-00 Re port Date: 2020-01-15 Reviewed B y: Nancy Wang RF En gineer 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.: RSZ191217830-00 FCC Part 15.247 Page 2 of 29 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 4 OBJECTIVE ................................................................................................................................................................... 4 RELATED SUBMITTAL(S)/GRANT(S) ............................................................................................................................. 4 TEST METHODOLOGY .................................................................................................................................................. 4 MEASUREMENT UNCERTAINTY .................................................................................................................................... 5 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 6 EUT EXERCISE SOFTWARE .......................................................................................................................................... 6 DUTY CYCLE ................................................................................................................................................................ 7 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 7 EXTERNAL I/O CABLE .................................................................................................................................................. 7 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 8 SUMMARY OF TEST RESULTS ............................................................................................................................... 9 TEST EQUIPMENT LIST ......................................................................................................................................... 10 FCC§15.247 (i), §1.1307 (b) (1) & §2.1093 – RF EXPOSURE ..................................................................................... 11 APPLICABLE STANDARD ............................................................................................................................................ 11 FCC §15.203 - ANTENNA REQUIREMENT ........................................................................................................... 12 APPLICABLE STANDARD ............................................................................................................................................ 12 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 12 FCC §15.209, §15.205 & §15.247(d) - SPURIOUS EMISSIONS ............................................................................. 13 APPLICABLE STANDARD ............................................................................................................................................ 13 EUT SETUP ................................................................................................................................................................ 13 EMI TEST RECEIVER & SPECTRUM ANALYZER SETUP .............................................................................................. 14 TEST PROCEDURE ...................................................................................................................................................... 14 CORRECTED AMPLITUDE & MARGIN CALCULATION ................................................................................................. 14 TEST RESULTS SUMMARY .......................................................................................................................................... 14 TEST DATA ..............................…

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EXHIBIT D - TEST SETUP PHOTOGRAPHS Radiated Emissions View (Below 1 GHz) Radiated Emissions View (Above 1 GHz)