2A9PK-P600Car Radio MP3 Bluetooth adapter with Fiber Optic output

Car Cigarette Lighter Socket Power Outlet Connects to USB port of car AUX Support fast charging only Support USB data transfer Car Radio MP3 Bluetooth adapter with Fiber Optic output Factory USB port with CarPlay function SD CARD voice control CARPALY / cable Android wifi connection Path settings, shortcut icon path Self-band satellite signal strength detection language satellite signal Software version number Android settings Product settings wifi Touch response Use the original car GPS to open Open, can't see the video Voice to open when using Google Toyota cars should open, other vehicles are turned off HOME return USB BT Bluetooth model connection Connection input pairing code OFF ON Record version number information Clear background Back to the original car interface navigation music Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. NOTE: This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. FCC Statement: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. 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 equipment complies with FCC Radiation exposure limit set forth for uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body.

MR12VOLT DIGITAL LIMITED Agent Authorization Company: MR12VOLT DIGITAL LIMITED Address: RM D FLAT 101,1/F INT'L PLAZA 20 SHEUNG YUET RD KOWLOON BAY KLN HONGKONG Product Name: Car Radio MP3 Bluetooth adapter with Fiber Optic output Model Number(s): LP1601BM, P600 Product Description: Car Radio MP3 Bluetooth adapter with Fiber Optic output We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: Dec. 08, 2022 Name: Lin Ye Title: manager Company: MR12VOLT DIGITAL LIMITED

MR12VOLT DIGITAL LIMITED Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Dec. 08, 2022 Subject; Request for Confidentiality FCC ID: 2A9PK-P600 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name:Lin Ye Title:manager

Project No.: ZKT-221109L8360 FCC ID: 2A9PK-P600 MR12VOLT DIGITAL LIMITED Model Confirmation Letter We, (MR12VOLT DIGITAL LIMITED) certify the product: Car Radio MP3 Bluetooth adapter with Fiber Optic output, models: LP1601BM, P600 Their electrical circuit design, layout, components used and internal wiring are identical, Only the name will be different . Signiture: Grantee Contact: Lin Ye Company Name: MR12VOLT DIGITAL LIMITED Date: 2022-12-08

Project No.: ZKT-221109L8360 FCC ID: 2A9PK-P600 Project No.: ZKT-221109L8360 FCC ID: 2A9PK-P600 Project No.: ZKT-221109L8360 FCC ID: 2A9PK-P600

Project No.: ZKT-221109L8360 FCC ID: 2A9PK-P600 Label place SIZE:23*47mm MR12VOLT Model:P600 INPUT: DC12V 500mA FCC ID: 2A9PK-P600

Project No.: ZKT-221109L8360 FCC ID: 2A9PK-P600 Project No.: ZKT-221109L8360 FCC ID: 2A9PK-P600 Project No.: ZKT-221109L8360 FCC ID: 2A9PK-P600 BT ANT

FCC ID: 2A9PK-P600 RF Exposure Evaluation According to KDB447498D01 General RF Exposure Guidance v06 4.3.1. Standalone SAR test exclusion considerations Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Exclusion Threshold condition, listed below, is satisfied. Limits According to FCC Part1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in part1.1307(b) F= Frequency i n MHz Frii s Formula Friis t ransmission formula: Pd = (Pout*G)/(4* Pi * R 2) Where Pd = power density in mW/cm2 Pout = output power to antenna i n mW G = gain of antenna i n linear scale Pi = 3.1416 R = distance between observation point and center of the radiator i n cm Pd id the limit o f MPE . If we know the maximum gai n of the antenna and the total power input to the antenna, through the calculation, we will kno w the distance r where the MPE limit i s reached. Test Result of RF Exposure Evaluation BT Antenna1 Gain: 2.3dBi, Antenna Gain: The maximum Gain measured in fully anechoic chamber is 1.0 in linear scale. Output Power Into Antenna & RF Exposure Evaluation Distance: Measurement Data The Max Conducted Peak Output Power data refer to report Report No.: ZKT-221109L8360 BT: worst mode and channel-DH5-2480MHz Test channel Antenna Output Power (dBm) Tune up tolerance (dBm) Maximum tune-up Power (dBm) Maximum tune-up Power (mW) Calculated value (mW/cm2) Limit (mW/cm2) 2480MHz 2.893±1 42.512 1.0 Remark: 1)The Max Conducted Peak Output Power data refer to report Report No.: ZKT-221109L8360 2)Pd = (Pout*G)/(4* Pi * R 2 )=( 2.512*1.7)/(4*3.1415*20*20)= 0.00085, G=10 gain/10 =1.7 NOTE:1.the EUT is more than 20cm away from the human body. 0.00085

深圳联客智能科技有限公司 SHENZHEN LINKIING TECHNOLOGY CO.,LTD 深圳市南山区松白路1055号丽河工业园5栋2楼 电话:13510925951 网址:www.linkiing.com 1.Antenna Description: Antenna plate PCB Antenna F6188-A3 Antenna peak gain 2.3 dBi Frequency range 2.402MHz~2.480MHz Connect type Direct Connect 2.Picture of antenna 3.Antenna Radiation Pattern Radiation pattern @2.402GHz Antenna Model 深圳联客智能科技有限公司 SHENZHEN LINKIING TECHNOLOGY CO.,LTD 深圳市南山区松白路1055号丽河工业园5栋2楼 电话:13510925951 网址:www.linkiing.com 深圳联客智能科技有限公司 SHENZHEN LINKIING TECHNOLOGY CO.,LTD 深圳市南山区松白路1055号丽河工业园5栋2楼 电话:13510925951 网址:www.linkiing.com Radiation pattern @2.441GHz 深圳联客智能科技有限公司 SHENZHEN LINKIING TECHNOLOGY CO.,LTD 深圳市南山区松白路1055号丽河工业园5栋2楼 电话:13510925951 网址:www.linkiing.com 深圳联客智能科技有限公司 SHENZHEN LINKIING TECHNOLOGY CO.,LTD 深圳市南山区松白路1055号丽河工业园5栋2楼 电话:13510925951 网址:www.linkiing.com Radiation pattern @2.480GHz 深圳联客智能科技有限公司 SHENZHEN LINKIING TECHNOLOGY CO.,LTD 深圳市南山区松白路1055号丽河工业园5栋2楼 电话:13510925951 网址:www.linkiing.com

Project No.: ZKT-221109L8360 Page 1 of 68 FCC TEST REPORT FCC ID: 2A9PK-P600 Report Number. ............................... : ZKT-221109L8360 Date of Test ..................................... : Oct. 17, 2022 -- Nov. 13, 2022 Date of issue .................................... : Nov. 13, 2022 Total number of pages ..................... : 68 Test Result ..................................... : PASS Testing Laboratory. .......................... : Shenzhen ZKT Technology Co., Ltd. Address .......................................... : 1/F, No. 101, Building B, No. 6, Tangwei Community Industrial Avenue, Fuhai Street, Bao'an District, Shenzhen, China Applicant's name ............................ : MR12VOLT DIGITAL LIMITED Address .......................................... : RM D FLAT 101,1/F INT'L PLAZA 20 SHEUNG YUET RD KOWLOON BAY KLN HONGKONG Manufacturer's name ..................... : MR12VOLT DIGITAL LIMITED Address .......................................... : RM D FLAT 101,1/F INT'L PLAZA 20 SHEUNG YUET RD KOWLOON BAY KLN HONGKONG Test specification: Standard .......................................... : FCC CFR Title 47 Part 15 Subpart C Section 15.247 ANSI C63.10:2013 Test procedure ................................. : KDB558074 D0115.247 Meas Guidance v 05r02 Non-standard test method ............. : N/A Test Report Form No. .................... : TRF-EL-112_V0 Test Report Form(s) Originator .... : ZKT Testing Master TRF .................................... : Dated: 2020-01-06 This device described above has been tested by ZKT, and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval of ZKT, this document may be altered or revised by ZKT, personal only, and shall be noted in the revision of the document. Product name ................................... : Car Radio MP3 Bluetooth adapter with Fiber Optic output Trademark ...................................... : N/A Model/Type reference ...................... : LP1601BM, P600 Ratings ............................................. : DC12V 500mA from car-battery Project No.: ZKT-221109L8360 Page 2 of 68 Testing procedure and testing location: Testing Laboratory .................................. : Shenzhen ZKT Technology Co., Ltd. Address 1/F, No. 101, Building B, No. 6, Tangwei Community Industrial Avenue, Fuhai Street, Bao'an District, Shenzhen, China Alen He Tested by (name + signature) .................... : Joe Liu Reviewer (name + signature) ..................... : Lake Xie Approved (name + signature) .................... : Project No.: ZKT-221109L8360 Page 3 of 68 Table of Contents Page 1. VERSION .............................................................. 5 2. TEST SUMMARY ........................................................ 6 2.1 TEST FACILITY ......................................................... 6 2.2 MEASUREMENT UNCERTAINTY.......................................... 7 3. GENERAL INFORMATION ............................................... 8 3.1 GENERAL DESCRIPTION OF EUT ........................................ 8 3.2 Test Setup Configuration .................................................. 9 3.3 Support Equipment ....................................................... 9 3.4 Test Mode ............................................................. 10 3 .5 EQUIPMENTS LIST FOR ALL TEST ITEMS ................................ 11 4. EMC EMISSION TEST .................................................. 12 4.1 Conducted emissions .................................................... 12 4.1.1 POWER LINE CONDUCTED EMISSION Limits ........................... 12 4.1.2 TEST PROCEDURE ................................................... 12 4.1.3 DEVIATION FROM TEST STANDARD ................................... 12 4.1.4 TEST SETUP ......................................................... 13 4.1.5 EUT OPERATING CONDITIONS ........................................ 13 4.1.6 Test Result ........................................................... 13 4.2 Radiated emissions ..................................................... 14 4.2.1 Radiated Emission Limits ............................................... 14 4.2.2 TEST PROCEDURE ................................................... 14 4.2.3 DEVIATION FROM TEST STANDARD ................................... 15 4.2.4 TEST SETUP ......................................................... 15 4.2.5 EUT OPERATING CONDITIONS ........................................ 16 4.2.6 TEST RESULTS ...................................................... 17 5. RADIATED BAND EMISSION MEASUREMENT ............................ 23 5.1 Test Requirement: ...................................................... 23 5.2 TEST PROCEDURE .................................................... 23 5.3 DEVIATION FROM TEST STANDARD .................................... 24 5.4 TEST SETUP .......................................................... 24 5.5 EUT OPERATING CONDITIONS ......................................... 24 5.6 TEST RESULT ......................................................... 25 6. CONDUCTED BAND EDGE AND SPURIOUS EMISSION .................... 27 6.1 Limit ................................................................... 27 6.2 Test Setup ............................................................. 27 6.3 Test procedure ......................................................... 27 6.4 DEVIATION FROM STANDARD .......................................... 27 6.5 Test Result ............................................................. 27 7. 20DB BANDWIDTH ..................................................... 28 7.1 Test Setup ............................................................. 28 7.2 Limit ................................................................... 28 7.3 Test procedure ................................................…

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Radiated Emission Project No.: ZKT-221109L8360 FCC ID: 2A9PK-P600