2A5NX-TA802.4GHz wireless headset

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Dongguan Yin Mai Electronics Co., Ltd Add: Jingye Industrial District, Xinnan village, Qi' shi Town, Dongguan City, Guangdong, China Date: 2022-3-23 FCC ID: 2A5NX-TA80 Dear Sir/Madam, We, Dongguan Yin Mai Electronics Co., Ltd Hereby declares the following statement for Federal Communications Commission, PCB board, circuit, structure and internal of these model(s) are the same, Only model number is different for these model: Product name: 2.4GHz wireless headset Model no.: TA80, AT80, TA60, TA5000, T3, TA50, E910, TA600, TA2000 Sincerely, Name/Title： Wade Gao/SALES Company: Dongguan Yin Mai Electronics Co., Ltd Address: Jingye Industrial District, Xinnan village, Qi' shi Town, Dongguan City, Guangdong, China Phone: 13007836606 Fax: N/A E-Mail: [email protected]

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date:<2022-3-23> Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we requests confidentiality for the following products: FCC ID Model name 2A5NX-TA80 TA80 For the product stated above, we request that the following information be held confidential; Exhibits Long-Term Confidentiality Short-Term Confidentiality Short-Term Confidentiality Days External Photos Internal Photos Block Diagram Schematics Test Setup Photos User’s Manual Parts List Tune Up Operational Descriptions The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. The short-term confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device. If you have any questions, please feel free to contact me at the address shown below. Sincerely, Name/Title： Wade Gao/SALES Company: Dongguan Yin Mai Electronics Co., Ltd Address: Jingye Industrial District, Xinnan village, Qi' shi Town, Dongguan City, Guangdong, China Phone: 13007836606 Fax: N/A E-Mail: [email protected]

Dongguan Yin Mai Electronics Co., Ltd Jingye Industrial District, Xinnan village, Qi' shi Town, Dongguan City, Guangdong, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2022-3-23 To whom it may concern: We, Dongguan Yin Mai Electronics Co., Ltd the undersigned, hereby authorize Eurofins Product Service GmbH to act on our behalf in all matters relating to applications for equipment authorization FCC ID: 2A5NX-TA80 including the signing of all documents related to these matters. Any and all acts carried out by Eurofins Product Service GmbH on our behalf shall have the same effect as acts of our own. We also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Sincerely, Name/Title： Wade Gao/SALES Company: Dongguan Yin Mai Electronics Co., Ltd Address: Jingye Industrial District, Xinnan village, Qi' shi Town, Dongguan City, Guangdong, China Phone: 13007836606 Fax: N/A E-Mail: [email protected]

Shenzhen HTT Technology Co., Ltd. Report No.: HTT202203057 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 1 of 4 Product Name: 2.4GHz wireless headset Model No.: TA80 EUT Constructional Details External Photo Report No.: HTT202203057 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 2 of 4 Report No.: HTT202203057 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 3 of 4 Report No.: HTT202203057 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 4 of 4 ------End------

FCC ID: 2A5NX-TA80 Label and Location Size: L: 1.5cm*W: 1.0cm Label and Location FCC ID : 2A5NX-TA80

Shenzhen HTT Technology Co., Ltd. Report No.: HTT202203057 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 1 of 2 Product Name: 2.4GHz wireless headset Model No.: TA80 EUT Constructional Details Internal Photo Antenna Report No.: HTT202203057 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 2 of 2 ------End------

Shenzhen HTT Technology Co., Ltd. TEST REPORT FCC Rules and Regulations Part PART 15.249 Report Reference No..............: HTT202203057F01 FCC ID...................................: 2A5NX-TA80 Compiled by ( position+printed name+signature ... : File administrators Supervised by ( position+printed name+signature ... : Project Engineer Approved by ( position+printed name+signature ... : RF Manager Date of issue ..................................... : Mar.11,2022 Testing Laboratory Name .............. : Shenzhen HTT Technology Co.,Ltd. Address ............................................ : 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao’an District, Shenzhen, Guangdong, China Applicant’s name ............................ : Dongguan Yin Mai Electronics Co., Ltd Address ............................................ : Jingye Industrial District, Xinnan village, Qi' shi Town, Dongguan City, Guangdong, China Standard ........................................... : FCC Rules and Regulations Part PART 15.249 Shenzhen HTT Technology Co.,Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HTT Technology Co.,Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HTT Technology 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. Test item description .....................: 2.4GHz wireless headset Trade Mark ....................................... : N/A Manufacturer .................................... : Dongguan Yin Mai Electronics Co., Ltd Model/Type reference....................... : TA80 Listed Models .................................. : AT80, TA60, TA5000, T3, TA50, E910, TA600, TA2000 Modulation ....................................... : GFSK Frequency .......................................... 2406-2478MHz Ratings ............................................. : DC 3.7V/1200mAh Form Battery and DC 5V From External Circuit Result................................................ : PASS Report No.: HTT202203057F01 Page 2 of 25 T E S T R E P O R T Equipment under Test : 2.4G Hz wireless headset Model /Type : TA80 Listed Models : AT80, TA60, TA5000, T3, TA50, E910, TA600, TA2000 Applicant : Dongguan Yin Mai Electronics Co., Ltd Address : Jingye Industrial District, Xinnan village, Qi' shi Town, Dongguan City, Guangdong, China Manufacturer : Dongguan Yin Mai Electronics Co., Ltd Address : Jingye Industrial District, Xinnan village, Qi' shi Town, Dongguan City, Guangdong, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: HTT202203057F01 Page 3 of 25 Contents 1. 0BT E S T S T A N D A R D S ....................................................................... 4 2. 1BS U M M A R Y .................................................................................. 5 2.1. General Remarks .................................................................................................................................. 5 2.2. 7BProduct Description .................................................................................................................................... 5 2.3. 8BEquipment Under Test ................................................................................................................................ 5 2.4. 9BShort description of the Equipment under Test (EUT) ............................................................................ 5 2.5. 10EUT operation mode ................................................................................................................................... 5 2.6. 11Block Diagram of Test Setup...................................................................................................................... 6 2.7. Modifications ........................................................................................................................................ 6 3. 2BT E S T E N V I R O N M E N T ................................................................... 7 3.1. Address of the test laboratory ............................................................................................................ 7 3.2. Test Facility ........................................................................................................................................... 7 3.3. 17Environmental conditions .......................................................................................................................... 7 3.4. 18Summary of measurement results ............................................................................................................ 8 3.5. Statement of the measurement uncertainty ...................................................................................... 8 3.6. 20Equipments Used during the Test ............................................................................................................. 8 4. 3BT E S T C O N D I T I O N S A N D R E S U L T S ................................................. 10 4.1. AC Power Conducted Emission ........................................................................................................ 10 4.2. Radiated Emission and Band Edges ................................................................................................ 13 4.3. 20dB Bandwidth Measurement ......................................................................................................... 22 4.4. Antenna Requirement ........................................................................................................................ 24 5. 4BT E S T S E T U P P H O T O S O F T H E E U T ................................…

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Shenzhen HTT Technology Co., Ltd. Report No.: HTT202203057 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 1 of 2 Product Name: 2.4GHz wireless headset Model No.: TA80 Test Setup Photo Radiated Emission Report No.: HTT202203057 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 2 of 2 Conducted Emission ------End------