2AVIY-LP-PT100Audio Transceiver

C harge St atus Tx/Rx Listener Pro Technology Co ., Ltd . Web : www . listenerpro . co m ; www . listener - pro . com Name Email Address Order ID Purchase D a t e Fault Descriptio n Warranty Form Dear customer : Thanks for using Listener Pro product , to obtain better warranty service , please carefully read the following clauses . 1 . This system must have been purchased from an authorized Listener Pro dealer and all warranty service must be performed by Listener Pro ’ s service department . Any service not performed by Listener Pro will automatically void this warranty . 2 . 30 - Day Return of Any Reason : You may return your undamaged product and packaging within 3 0 days of purchase to receive a refund . Please return the unit in its original carton . 12 - month Warranty for Quality - Related Issues . With proper care and maintenance , your products will operate trouble free for many years . 3 . If the reason for return is not quality - related , the customer must pay the return shipping costs . 4 . Items not covered : defects caused by normal wear of the product ; damage or defects caused by abuse , neglect , accident , failure to connect or operate the unit in any way that does not comply with applicable technical or safety regulations , or improper repair , excessive heat or humidity , alteration or unreasonable . 5 . When after - sales service is needed , please send us the relevant information according to this form . LP- PT100 P roduct M anual li1fe1er Pro Jor枷叮加Listenc r — — Email : service @ listenerpro . com If this equipment does cause harmful interference to radio or television reception , which can be determined by turning the equipment off and on , the user is encouraged to try to correct the interference by one or more of the following measures : -- Reorient or relocate the receiving antenna . -- Increase the separation between the equipment and receiver . -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected . -- Consult the dealer or an experienced radio / TV technician for help . The device has been evaluated to meet general RF exposure statement . The device can be used in portable exposure condition without restriction FCC ID : 2 AVIY - LP - PT 100 Any Changes or modifications not expressly approved by the party responsible for compliance could void the user ’ s authority to operate the equipment Touch Screen ON/OFF: Press for 3s to power on or offChannel +/Channel -: Press “▲” for Channel Up, press “▼” for Channel Down, the channel can be set between 1 and 30. Volume +/Volume-: Press “ ◄ ”for Volume Down, press “ ► ”for Volume Up, the volume level can be set between 0 and 15.(the volume of the local monitor audio couldn’t be changed) Touch screen will light up after power on, and will go out when locked or no operations for 5s. LCD DisplayThe channel & volume & power level are shown on the display screen.Channel is shown between 1~30 Volume is shown between 0~15 Power is shown between 1-5Channel is displayed by default, the display shows the Volume / Power level for 3s, then turn back to channel . charge status Tx/Rx Charge Indicator LCD Display LP - PT 100 Professional Wireless Audio Transceiver LP - PT 100 is a 2 . 4 GHz wireless digital audio transmission series products developed by Listener Pro Co ., Ltd . This series of products has the characteristics of long transmission distance , high - fidelity sound quality of HDCD , strong anti - interference from UHF / WIFI / Bluetooth , and stylish and portable appearance . It can replace traditional complex wired sound equipment , achieve admirable listening effect . 1 . 1 Function ON/OFF CH+ VOL- CH- VOL + Pairin g Indicator Tx /Rx Indicator Indicator powe r on ） Charg e Status Tx/ Rx ON Flas h OU T Tx R x Tx Tx l o w battery / n o rmall y Tx Antenn a Indicato r F . H . FH means it is restoring to default settings, it stays about 3s then the bodypack will be off automatically. 1 Rx Rx paired pairing * * * charging * * fully charged Rx * 1 . the bodypack is stuck . Due to wrong operation or frequent operation in a short time , the unlocked unit ' s channel and volume couldn ' t be adjusted . Please press the " Reset hold " and restart the bodypack , it will return to the state it was in before stuck . 2 . wrong setting . All default settings were changed and the bodypack couldn ' t return to work , the user needs to resume to default setting . Please lock the bodypack and press " CH + " & " CH -" for 3 s , the screen will show " FH " during restore . The bodypack will automatic shutdown after restore finished . Default Channel -- 1 Default Volume -- 10 Default Power Level -- 3 3 . 3 After - sales service and Warranty Duration of Warranty 1 . 30 - day Return of Any Reason . You may return your undamaged product and packaging within 30 days of purchase to get refund . If it isn ' t quality - related , the customer must pay the shipping costs 2 . At least 12 - Month Warranty for Quality - Related Issues . We will take care of all quality - related issues with a replacement or refund . Please contact us through these ways to resolove questions you meet about our products , you will get more rights :  extend warranty period  promotion code for next purchase Web : www . listenerpro . com www . listener - pro . com 1 . Wrong mode . Please check the Tx / Rx mode indicator light , this light of transmitter should light up , and others receivers should go out . 2 . Match failed . Please check the “ Tuning ” indicator light of receivers . The receiver need rematch if it keeps flashing , make it on the same channel with the transmitter . 3 . Wrong connection . Please check all audio cables are well and the connections are correct . 4 . Out of range . Receivers too far away from the transmitter , the distance is out of work range . Please reposition receivers to closer area , or change a longer antenna . 5 . Low battery . The battery maybe running out of power . Please ful…

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Shenzhen Listener Pro Technology Co., Ltd. Model difference statement Product Name: Audio Transceiver Model N o.: LP-PT100, LP-PT101, LP-PT102, LP-PT103, LP-PT104, LP-PT105, LP-PT106, LP- PT107, LP-PT108, LP-PT109, TC1 We (Shenzhen Listener Pro Technology Co., Ltd., Room 203, D# Building, Duocai Science City, 5# Guanle Road, Luhu Community, Guanhu Street, Longhua District, Shenzhen, China) hereby state that all models above are identical in interior structure, electrical circuits and components, and just the model names and colors are different for marking requirement. Signature: Name / title: Sherlery Zhang / Tel: 19129365135 Email: [email protected] Date: 4.7.2021

C5266091_X8_Ed.1 1/1 Letter of Authorization Company: Shenzhen Listener Pro Technology Co., Ltd. Address: Room 203, D# Building, Duocai Science City, 5# Guanle Road, Luhu Community, Guanhu Street, Longhua District, Shenzhen, China Product Name: Audio Transceiver Model Number: LP-PT100, LP-PT101, LP-PT102, LP-PT103, LP-PT104, LP- PT105, LP-PT106, LP-PT107, LP-PT108, LP-PT109, TC1 FCC Identifier: 2AVIY-LP-PT100 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Sherlery Zhang Date: 4/7/2021 Title: Signature of applicant:

C5266091_X10_Ed.2 1/1 Shenzhen Listener Pro Technology Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 4/7/2021 Subject: Request for Confidentiality FCC ID: 2AVIY-LP-PT100 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒☐ Schematics ☒☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☐ Internal Photos ☐ NOTE 1 ☐ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No NOTE 1: Long‐Term Confidentiality may be permitted under special conditions (See II. LONG‐TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short‐Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of ______ days from the date of the Grant of Equipment Authorization and prior to marketing. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name: Sherlery Zhang Title:

1 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] APPENDIX 1- EUT PHOTO Photo 1 (For model LP-PT100) Photo 2 External antenna 1 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 3 Photo 4 1 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 5 Photo 6 1 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 7

Audio Transceiver Model : LP ‐ PT 100 Input : 5 V 1 A FCC ID : 2 AVIY ‐ LP ‐ PT 100 Shenzhen Listener Pro Technology Co ., Ltd . 73.4 MM 120MM 3 0 MM 2 0 MM Audio Transceiver Model : LP ‐ PT 100 Input : 5 V 1 A FCC ID : 2 AVIY ‐ LP ‐ PT 100 Shenzhen Listener Pro Technology Co ., Ltd . 3 0 MM 2 0 MM 型号： LP‐PT100 主机贴纸 印刷颜色：黑色标签，白色文字 尺寸：30*20mm 材质：铜版纸 表面处理：过哑膜

1 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 8 1 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 9 Photo 10 1 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 11 Photo 12 1 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 13 Photo 14 1 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 15 ----END OF REPORT----

Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Test Report Report No.: MTi20052711-13E1 Date of issue: Mar. 12, 2021 Applicant: Shenzhen Listener Pro Technology Co., Ltd. Product name: Audio Transceiver Model(s): LP-PT100, LP-PT101, LP-PT102, LP-PT103, LP-PT104, LP-PT105, LP-PT106, LP-PT107, LP-PT108, LP-PT109, TC1 FCC ID: 2AVIY-LP-PT100 Shenzhen Microtest Co., Ltd. http://www.mtitest.com - Page 2 of 46 - Report No.: MTi20052711-13E1 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Instructions 1. The report shall not be partially reproduced without the written consent of the laboratory; 2. The test results of this report are only responsible for the samples submitted; 3. This report is invalid without the seal and signature of the laboratory; 4. This report is invalid if transferred, altered or tampered with in any form without authorization; 5. Any objection to this report shall be submitted to the laboratory within 15 days from the date of receipt of the report. - Page 3 of 46 - Report No.: MTi20052711-13E1 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Table of Contents 1 GENERAL DESCRIPTION ................................................................................................................................... 5 1.1 FEATURE OF EQUIPMENT UNDER TEST (EUT) ................................................................................................................... 5 1.2 OPERATION CHANNEL LIST ........................................................................................................................................... 5 1.3 TEST FREQUENCY CHANNEL ......................................................................................................................................... 6 1.4 EUT OPERATION MODE .............................................................................................................................................. 6 1.5 ANCILLARY EQUIPMENT LIST ......................................................................................................................................... 6 2 SUMMARY OF TEST RESULT ............................................................................................................................. 6 3 TEST FACILITIES AND ACCREDITATIONS ............................................................................................................ 7 3.1 TEST LABORATORY ..................................................................................................................................................... 7 3.2 ENVIRONMENTAL CONDITIONS ..................................................................................................................................... 7 3.3 MEASUREMENT UNCERTAINTY ...................................................................................................................................... 7 3.4 TEST SOFTWARE ........................................................................................................................................................ 7 4 LIST OF TEST EQUIPMENT ................................................................................................................................ 8 5 TEST RESULT ................................................................................................................................................... 9 5.1 ANTENNA REQUIREMENT ............................................................................................................................................ 9 5.1.1 Standard requirement ................................................................................................................................. 9 5.1.2 EUT Antenna ............................................................................................................................................... 9 5.2 AC POWER LINE CONDUCTED EMISSION ....................................................................................................................... 10 5.2.1 Limits ......................................................................................................................................................... 10 5.2.2 Te s t setup .................................................................................................................................................. 10 5.2.3 Te s t procedure ........................................................................................................................................... 11 5.2.4 Te s t results ................................................................................................................................................ 11 5.3 FIELD STRENGTH OF FUNDAMENTAL AND HARMONIC EMISSIONS ....................................................................................... 16 5.3.1 Limits ......................................................................................................................................................... 16 5.3.2 Test Method .............................................................................................................................................. 16 5.3.3 Test Result ................................................................................................................................................. 17 5.4 20DB AND 99% BANDWIDTH .................................................................…

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Model: LP-PT100 Radiated emission – below 1GHz Radiated emission – above 1GHz Conducted emission