2AFR7-PD-620HBCar multimedia player

FCCWarningStatement Changesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecould voidtheuser’sauthoritytooperatetheequipment.Thisequipmenthasbeentestedandfoundto complywiththelimitsforaClassBdigitaldevice,pursuanttoPart15oftheFCCRules.These  limitsaredesignedtoprovidereasonableprotectionagainstharmfulinterferenceinaresidential installation.Thisequipmentgeneratesusesandcanradiateradiofrequencyenergyand,ifnot installedandusedinaccordancewiththeinstructions,maycauseharmfulinterferencetoradio communications.However,thereisnoguaranteethatinterferencewill notoccurinaparticular installation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception, whichcanbedeterminedbyturningtheequipmentoffandon,theuserisencouragedtotryto correcttheinterferencebyoneormoreofthefollowingmeasures: ϋϋReorientorrelocate thereceivingantenna. ϋϋIncreasetheseparationbetweentheequipmentandreceiver. ϋϋConnecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiveris connected. ϋϋConsultthedealeroranexperiencedradio/TVtechnicianforhelp.  Thisdevicecomplieswithpart15ofthe FCCRules.Operationissubjecttothefollowing twoconditions:(1)Thisdevicemaynotcauseharmfulinterference,and (2)thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycause undesiredoperation. 

Dongguan Litu Electronic Technology Co.,Ltd Agent Authorization Company: Dongguan Litu Electronic Technology Co.,Ltd Address: Industrial Zone,Xiakeng Village,Changping Town,Dongguan City,Guangdong Province,China Product Name: Car multimedia player Model Number(s): PD-620HB, VM-622HB, PL-622HB, SPL-622D, PV-620B, DVD2-654, SR-7MHB, TI-623B, VR-620HB, KP-1737BT, KP-1857DU, KDC-6251D, KPD-1935BT, KP-1757IBT, KP-1767DFB, KP-1747BT, KM-7300APP, BP799 Product Description: Car multimedia player 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: May. 11, 2021 Name: Jade Yang Title: Manager Company: Dongguan Litu Electronic Technology Co.,Ltd

Dongguan Litu Electronic Technology Co.,Ltd Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: May. 11, 2021 Subject; Request for Confidentiality FCC ID: 2AFR7-PD-620HB 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 Tune-up Procedure 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: Jade Yang Title: Manager

Model Difference Declaration To Whom It May Concern, We,Dongguan Litu Electronic Technology Co.,Ltd (Car multimedia player) Trademark: N/A; Model Number: PD-620HB, VM-622HB, PL-622HB, SPL-622D, PV-620B, DVD2-654, SR-7MHB, TI-623B, VR-620HB, KP-1737BT, KP-1857DU, KDC-6251D, KPD-1935BT, KP-1757IBT, KP-1767DFB, KP-1747BT, KM-7300APP, BP799 All model’s the function, s oftware and electric circuit are the same, only with a product color, appearance and model named different. Test sample model: PD-620HB Please contact me if you have any question. Name: Jade Yang Date: May. 11, 2021 Title: Manager Signature of applicant:

Test Model：HK2104291317‐E

FCC ID LABEL: Label Location Width:2cm Long:4cm FCC ID: 2AFR7-PD-620HB Product name: Car multimedia player Model No.: PD-620HB 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.

Test Model：HK2104291317‐E Antenna

Page 1 of 33 Report No.: HK2104291317-E FCC TEST REPORT Test report On Behalf of Dongguan Litu Electronic Technology Co.,Ltd For Car multimedia player Model No.: PD-620HB, VM-622HB, PL-622HB, SPL-622D, PV-620B, DVD2-654, SR-7MHB, TI-623B, VR-620HB, KP-1737BT, KP-1857DU, KDC-6251D, KPD-1935BT, KP-1757IBT, KP-1767DFB, KP-1747BT, KM-7300APP, BP799 FCC ID: 2AFR7-PD-620HB Prepared for : Dongguan Litu Electronic Technology Co.,Ltd Industrial Zone,Xiakeng Village,Changping Town,Dongguan City,Guangdong Province,China Prepared By : Shenzhen HUAK Testing Technology Co., Ltd. 1-2/F., Building B2, Junfeng Zhongcheng Zhizao Innovation Park, Heping, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Date of Test: Apr. 30, 2021 ~ May. 10, 2021 Date of Report: May. 10, 2021 Report Number: HK2104291317-E Page 2 of 33 Report No.: HK2104291317-E TEST RESULT CERTIFICATION Applicant’s name ................. : Dongguan Litu Electronic Technology Co.,Ltd Address ................................. : Industrial Zone,Xiakeng Village,Changping Town,Dongguan City ,Guangdong Province,China Manufacture's Name ............ : Dongguan Litu Electronic Technology Co.,Ltd Address ................................. : Industrial Zone,Xiakeng Village,Changping Tow n,Dongguan City,Guangdong Province,China Product description Trade Mark: N/A Product name ........................... : Car multimedia player Model and/or type reference : PD-620HB, VM-622HB, PL-622HB, SPL-622D, PV-620B, DVD2-654, SR-7MHB, TI-623B, VR-620HB, KP-1737BT, KP-1857DU, KDC-6251D, KPD-1935BT, KP-1757IBT, KP-1767DFB, KP-1747BT, KM-7300APP, BP799 Standards ............................. : FCC Rules and Regulations Part 15 Subpart C Section 15.249 ANSI C63.10: 2013 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HUAK Testing 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. Date of Test ............................................ : Date (s) of performance of tests ............. : Apr. 30, 2021 ~ May. 10, 2021 Date of Issue ........................................... : May. 10, 2021 Test Result ............................................... : Pass Testing Engineer : (Gary Qian) Technical Manager : (Eden Hu) Authorized Signatory : (Jason Zhou) Page 3 of 33 Report No.: HK2104291317-E Table of Contents Page 1 . TEST SUMMARY 5 2 . GENERAL INFORMATION 6 2.1 GENERAL DESCRIPTION OF EUT 6 2.2 Operation of EUT during testing 7 2.3 DESCRIPTION OF TEST SETUP 7 2.4 MEASUREMENT INSTRUMENTS LIST 8 3 . CONDUCTED EMISSIONS TEST 9 3.1 Conducted Power Line Emission Limit 9 3.2 Test Setup 9 3.3 Test Procedure 9 3.4 Test Result 9 4 RADIATED EMISSION TEST 10 4.1 Radiation Limit 10 4.2 Test Setup 10 4.3 Test Procedure 11 4.4 Test Result 12 5 BAND EDGE 23 5.1 Limits 23 5.2 Test Procedure 23 5.3 Test Result 23 6 OCCUPIED BANDWIDTH MEASUREMENT 26 6.1 Test Setup 26 6.2 Test Procedure 26 6.3 Measurement Equipment Used 26 6.4 Test Result 26 7 ANTENNA REQUIREMENT 32 8 PHOTOGRAPH OF TEST 33 Radiated Emission 33 Page 4 of 33 Report No.: HK2104291317-E ** Modified History ** Revision Description Issued Data Remark Revision 1.0 Initial Test Report Release May. 10, 2021 Jason Zhou Page 5 of 33 Report No.: HK2104291317-E 1. TEST SUMMARY 1.1 TEST PROCEDURES AND RESULTS DESCRIPTION OF TEST SECTION NUMBER RESULT CONDUCTED EMISSIONS TEST 15.207 N/A RADIATED EMISSION TEST 15.249(a) /15.209 COMPLIANT BAND EDGE 15.249(d)/15.205 COMPLIANT OCCUPIED BANDWIDTH MEASUREMENT 15.215（c） COMPLIANT ANTENNA REQUIREMENT 15.203 COMPLIANT 1.2 TEST FACILITY Test Firm : Shenzhen HUAK Testing Technology Co., Ltd. Address 1-2/F., Building B2, Junfeng Zhongcheng Zhizao Innovation Park, Heping, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China 1.3 MEASUREMENT UNCERTAINTY Measurement Uncertainty Conducted Emission Expanded Uncertainty =±2.71dB, k=2 Radiated emission expanded uncertainty(9kHz-30MHz) = ±3.90dB, k=2 Radiated emission expanded uncertainty(30MHz-1000MHz)= ±3.90dB, k=2 Radiated emission expanded uncertainty(Above 1GHz) = ±4.28dB, k=2 Page 6 of 33 Report No.: HK2104291317-E 2. GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF EUT Equipment Car multimedia player Model Name PD-620HB Serial No VM-622HB, PL-622HB, SPL-622D, PV-620B, DVD2-654, SR-7MHB, TI-623B, VR-620HB, KP-1737BT, KP-1857DU, KDC-6251D, KPD-1935BT, KP-1757IBT, KP-1767DFB, KP-1747BT, KM-7300APP, BP799 Model Difference All model’s the function, software and electric circuit are the same, only with a product color, appearance and model named different. Test sample model: PD-620HB. FCC ID 2AFR7-PD-620HB Antenna Type PCB Antenna Antenna Gain 0dBi BT Operation frequency 2402-2480MHz Number of Channels 79CH Modulation Type GFSK, π/4DQPSK, 8DPSK Power Source DC12V Power Rating DC12V Page 7 of 33 Report No.: HK2104291317-E 2.1.1 Carrier Frequency of Channels Channel List Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) 00 2402 27 2429 54 2456 01 2403 28 2430 55 2457 02 2404 29 2431 56 2458 03 2405 30 2432 57 2459 04 2406 31 2433 58 2460 05 2407 32 2434 59 2461 06 2408 33 2435 60 2462 07 2409 34 2436 61 2463 08 2410 35 2437 62 2464 09 2411 36 2438 63 2465 10 2412 37 2439 64 2466 11 2413 38 2440 65 2467 12 2414 39 2441 66 2468 13 2415 40 2442 67 2469 14 2416 41 2443 68 2470 15 2417 42 2444 69 2471 16 2418 43 2445 70 2472 17 2419 44 2446 71 2473 18 2420 45 2447 72 2474 19 2421 46 2448 73 2475 20 2422 47 2449 74 2476 21 2423 48 2450 75 2477 22 2424 49 2451 76 2478 23 2425 50 2452 77 2479 24 2426 51 2453 78 2480 25 2427 52 2454 26 2428 53 2455 2.2 Operation of EUT during testing Operating Mode The mode is used: Transmitting mode Low Channel: 2402MHz Middle Channel: 2441MHz High Channel: 2480MHz 2.3 DESCRIPTION OF TEST SETUP Op…

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Test Model：PD-620HB Radiated Emission