2A88G-RX4Automobile Data Recorder

User Manual Please read before using and keep it fo『『utureuse. Val.1     
 

   
  
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Shenzhen Fengdian Technology Co., Ltd Agent Authorization Company: Shenzhen Fengdian Technology Co., Ltd Address: A204, Donglian Building, Chuangye Second Road, Dalang Community, Xin 'an Street, Bao 'an District, Shenzhen, Guangdong Product Name: Automobile Data Recorder Model Number(s): RX4, RX4S, RX4pro, RX4max, RX4-4C Product Description: Automobile Data Recorder 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. Date: Dec. 12, 2022 Signature: Name: RuiFeng Lai Title: manager Company: Shenzhen Fengdian Technology Co., Ltd

Shenzhen Fengdian Technology Co., Ltd Date: Dec. 12, 2022 Offic e of Engineering Technology Federal Communications Commission 743 5 Oakland Mill s Road Columbia, MD 21046 USA Subject; Request for Confidentiality FCC ID: 2A88G-RX4 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. 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: RuiFeng Lai Title: manager Schematic Diagram Block Diagram Parts List Operational Description

Project No.: ZKT-221206L9085 FCC ID: 2A88G-RX4 Shenzhen Fengdian Technology Co., Ltd Model Confirmation Letter We, Shenzhen Fengdian Technology Co., Ltd certify the product: Automobile Data Recorder, models: RX4, RX4S, RX4pro, RX4max, RX4-4C Their electrical circuit design, layout, components used and internal wiring are identical, RX4, which is identical to RX4pro, RX4max and RX4-4C, is only slightly different from RX4S shell. The figure below shows RX4S, and everything else is the same, so the test model is RX4. Signiture: Grantee Contact: Rui Feng Lai Company Name: Shenzhen Fengdian Technology Co., Ltd Date: 2022-12-08

Project No.: ZKT-221206L9085 FCC ID: 2A88G-RX4 Project No.: ZKT-221206L9085 FCC ID: 2A88G-RX4 Project No.: ZKT-221206L9085 FCC ID: 2A88G-RX4 Project No.: ZKT-221206L9085 FCC ID: 2A88G-RX4

Project No.: ZKT-221206L9085 FCC ID: 2A88G-RX4 Label place Label size: 15*20mm Model：RX4 Input：5V 2.5A FCC ID：2A88G-RX4

Project No.: ZKT-221206L9085 FCC ID: 2A88G-RX4 Project No.: ZKT-221206L9085 FCC ID: 2A88G-RX4 Project No.: ZKT-221206L9085 FCC ID: 2A88G-RX4 WIFI ANT Project No.: ZKT-221206L9085 FCC ID: 2A88G-RX4 Project No.: ZKT-221206L9085 FCC ID: 2A88G-RX4 Project No.: ZKT-221206L9085 FCC ID: 2A88G-RX4 GPS ANT

FCC ID: 2A88G-RX4 Applicable standard FCC KDB447498 D01 General RF Exposure Guidance v06: Mobile and Portable Device, RF Exposure, Equipment Authorization Procedures. FCC CFR 47 part1 1.1310: Radiofrequency radiation exposure limits. FCC CFR 47 part2 2.1091: Radiofrequency radiation exposure evaluation: mobile devices. 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 in MHz Frii s Formula Friis transmission formula: Pd = (Pout*G)/(4* Pi * R 2) Where Pd = power density in mW/cm2 Pout = output power to antenna in mW G = gain of antenna in linear scale Pi = 3.1416 R = distance between observation point and center of the radiator in cm Pd id the limit of 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 is reached. Test Result of RF Exposure Evaluation WIFI Antenna1 Gain: 0dBi , 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-221206L9085 WIFI: worst mode and channel-802.11g-2412MHz 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) 2412MHz15.8116 ± 11750.119 1.0 Remark: 1)Pd = (Pout*G)/(4* Pi * R 2 )=( 50.119*1.0)/(4*3.1415*20*20)= 0.01, G=10 gain/10 =1 NOTE:1.the EUT is more than 20cm away from the human body. 0.01

Antenna Spe cification Electrical specifications Frequency range(MHz) 2400-2500 Polarization Vertical Antenna Type Internal A ntenna Gain(dBi) 0 Impedance(Ω) 50 Maximum Input P ower(W) 10 VSWR ≤1.5 (Center Frequency) Manufacturer:Shenzhen Hansheng Technology Co., Ltd PART NO.:2.4G_PCB_2101 Figure 1 S11 Figure 2 Curve Figure 3 Gain

Project No.: ZKT-221206L9085 Page 1 of 76 FCC TEST REPORT FCC ID: 2A88G-RX4 Report Number. .............................. : ZKT-221206L9085 Date of Test ...................................... : Nov. 24, 2022 Date of issue .................................... : Nov. 24, 2022 – Dec. 08, 2022 Total number of pages ..................... : 76 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 ......................... : Shenzhen Fengdian Technology Co., Ltd Address .......................................... : A204, Donglian Building, Chuangye Second Road, Dalang Community, Xin 'an Street, Bao 'an District, Shenzhen, Guangdong Manufacturer's name ................... : Shenzhen Fengdian Technology Co., Ltd Address .......................................... : A204, Donglian Building, Chuangye Second Road, Dalang Community, Xin 'an Street, Bao 'an District, Shenzhen, Guangdong 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-110_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 ................................. : Automobile Data Recorder Trademark ...................................... : FONDIM/方典 Model/Type reference ...................... : RX4, RX4S, RX4pro, RX4max, RX4-4C Ratings ............................................. : DC5.0V 2.5A from car-charger(DC12V input,DC5V output) Project No.: ZKT-221206L9085 Page 2 of 76 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-221206L9085 Page 3 of 76 Table of Contents Page 1. VERSION 5 2. SUMMARY OF TEST RESULTS 6 2.1 TEST FACILITY 6 2.2 MEASUREMENT UNCERTAINTY 6 3. GENERAL INFORMATION 7 3.1 GENERAL DESCRIPTION OF EUT 7 3.2 DESCRIPTION OF TEST MODES 8 3.3 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 8 3.4 DESCRIPTION OF SUPPORT UNITS(CONDUCTED MODE) 9 3.5EQUIPMENTS LIST FOR ALL TEST ITEMS 10 4. EMC EMISSION TEST 11 4.1 CONDUCTED EMISSION MEASUREMENT 11 4.1.1 POWER LINE CONDUCTED EMISSION LIMITS 11 4.1.2 TEST PROCEDURE 11 4.1.3 DEVIATION FROM TEST STANDARD 11 4.1.4 TEST SETUP 12 4.1.5 EUT OPERATING CONDITIONS 12 4.1.6TEST RESULTS 12 4.2 RADIATED EMISSION MEASUREMENT 13 4.2.1 RADIATED EMISSION LIMITS 13 4.2.2 TEST PROCEDURE 13 4.2.3 DEVIATION FROM TEST STANDARD 14 4.2.4 TEST SETUP 14 4.2.5 EUT OPERATING CONDITIONS 15 4.2.6 TEST RESULTS 15 5.RADIATED BAND EMISSIONMEASUREMENT 23 5.1 TEST REQUIREMENT: 23 5.2 TEST PROCEDURE 23 5.3 DEVIATION FROM TEST STANDARD 23 5.4 TEST SETUP 24 5.5 EUT OPERATING CONDITIONS 24 5.6 TEST RESULT 25 6.POWER SPECTRAL DENSITY TEST 27 6.1 APPLIED PROCEDURES / LIMIT 27 6.2 TEST PROCEDURE 27 6.3 DEVIATION FROM STANDARD 27 6.4 TEST SETUP 27 6.5 EUT OPERATION CONDITIONS 27 Project No.: ZKT-221206L9085 Page 4 of 76 6.6 TEST RESULT 27 7. CHANNEL BANDWIDTH 28 7.1 APPLIED PROCEDURES / LIMIT 28 7.2 TEST PROCEDURE 28 7.3 DEVIATION FROM STANDARD 28 7.4 TEST SETUP 28 7.5 EUT OPERATION CONDITIONS 28 7.6 TEST RESULT 28 8. OUTPUT POWER TEST 29 8.1 APPLIED PROCEDURES/LIMIT 29 8.2 TEST PROCEDURE 29 8.3 DEVIATION FROM STANDARD 29 8.4 TEST SETUP 29 8.5 EUT OPERATION CONDITIONS 29 8.6 TEST RESULT 29 9. CONDUCTED BAND EDGE AND SPURIOUS EMISSION 30 9.1 APPLICABLE STANDARD 30 9.2 TEST PROCEDURE 30 9.3 DEVIATION FROM STANDARD 30 9.4 TEST SETUP 30 9.5 EUT OPERATION CONDITIONS 30 9.6 TEST RESULTS 30 10. ANTENNA REQUIREMENT 31 11. APPENDIX1 32 11.1. -6DB BANDWIDTH 32 11.2. BANDEDGE 39 11.3 MAX. OUTPUT POWER 47 11.4. POWER SPECTRAL DENSITY 48 11.5. SPURIOUS EMISS ION 55 12. TEST SETUP PHOTO 67 13. EUT CONSTRUCTIONAL DETAILS 68 Project No.: ZKT-221206L9085 Page 5 of 76 1. VERSION Report No. Version Description Approved ZKT-221206L9085 Rev.01 Initial issue of report Dec. 08, 2022 Project No.: ZKT-221206L9085 Page 6 of 76 2. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: FCC Part15 (15.247) , Subpart C Standard Section Test Item Result Remark FCC part 15.203/15.247 (c) Antenna requirement PASS FCC part 15.207 AC Power Line Conducted Emission N/A FCC part 15.247 (b)(3) Conducted Peak Output Power PASS FCC part 15.247 (a)(2) Channel Bandwidth& 99% OCB PASS FCC part 15.247 (e) Power Spectral Density PASS FCC part 15.247(d) Band Edge PASS FCC part 15.205/15.209 Spurious Emission PASS NOTE: (1)” N/A” denotes test is not applicable in this Test Report 2.1 TEST FACILITY Shenzhen ZKT Technology Co., Ltd. Add. : 1/F, No. 101, Building B, No. 6, Tangwei Community Industrial Avenue, Fuhai Street, Bao'an District, Shenzhen, China FCC Test Firm Registration Number: 692225 Designation Number: CN1299 IC Registered No.: 27033…

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Project No.: ZKT-221206L9085 FCC ID: 2A88G-RX4 Spurious Emission