2A5C8-MK665Carplay ai box

Shenzhen Xinhai Vision Technology Co., Ltd Agent Authorization Company: Shenzhen Xinhai Vision Technology Co., Ltd Address: 1608 TOWER A Zhantao Technology Building,1079 Minzhi Rd,Longhua,Shenzhen,China.518131 Product Name: Carplay ai box Model Number(s): MK665, CP450, CP480, MK610, MK808, MK550 Product Description: Carplay ai box 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: 2022-09-09 Name: Sam CHEN Title: Manager Company: Shenzhen Xinhai Vision Technology Co., Ltd

Shenzhen Xinhai Vision Technology Co., Ltd Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2022/09/09 Subject; Request for Confidentiality FCC ID: 2A5C8-MK665 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 Operational Description BOM Tune-up Procedure FCC Software Security Requirements for UNII devices Rev 2.1 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); User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuantto 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: Sam CHEN Title: Manager

Shenzhen Xinhai Vision Technology Co., Ltd Model Difference Data：2022.09.09 Product description: Carplay ai box Model name: MK665, CP450, CP480, MK610, MK808, MK550 Trade Name: iHeylinkit FCC ID: 2A5C8-MK665 All the model are the same circuit and RF module, except model names . Regards Sincerely Client’s signature : Client’s name / title : Sam CHEN（Manager） Contact information / address：1608 TOWER A Zhantao Technology Building,1079 Minzhi Rd,Longhua,Shenzhen,China.518131

External Photos

Model: MK665 FCC ID: 2A5C8-MK665 Label Location

Internal Photos LTE Main Antenna WIFI /BT/BLE Antenna LTE Diversity Antenna

FCC 22H 24E 27L, §2.1091 – RF Exposure FCC ID: 2A5C8-MK665 Applied procedures / limit According to FCC §15.247(i) and §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 Note: ƒ is frequency in MHz * = Power density limit is applicable at frequencies greater than 100 MHz Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-100,000 1.0 30 Note: f = frequency in MHz * = Plane-wave equivalent power density MPE PREDICTION Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to antenna G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna, R=20cm Test Result of RF Exposure Evaluation Tune up Produc e power Maximu m peak output power (dBm) Output power to antenn a (mW) Antenn a Gain (numer ic) Power Density (S) (mW/ cm2) Limit (mW / cm2 ) Result EDR GFSK&HCH 7±1 8 6.3096 1.585 (2dBi) 0.00199 1 Pass BLE GFSK&MCH -5±1 -4 0.3981 1.585 (2dBi) 0.00013 1 Pass 2.4GWIFI 802.11b&2412 7±1 8 6.3096 1.585 (2dBi) 0.00199 1 Pass 5GWIFI 802.11a20&52 40 7±1 8 6.3096 1.585 (2dBi) 0.00199 1 Pass FDD-LTE BAND 2 21±1 22 158.4893 1.585 (2dBi) 0.05 1 Pass FDD-LTE BAND 4 22±1 23 199.5262 1.585 (2dBi) 0.06294 1 Pass FDD-LTE BAND 5 22±1 23 199.5262 1.585 (2dBi) 0.06294 0.565 Pass FDD-LTE BAND 7 22±1 23 199.5262 1.585 (2dBi) 0.06294 1 Pass FDD-LTE BAND 12 21±1 22 158.4893 1.585 (2dBi) 0.05 0.472 Pass FDD-LTE BAND 17 21±1 22 158.4893 1.585 (2dBi) 0.05 0.474 Pass FDD-LTE BAND 41 22±1 23 199.5262 1.585 (2dBi) 0.06294 1 Pass S=0.06294/0.565+0.00199/1=0.11339＜1 Pass

天 线 测 试 报 告 Sky line test report 项目名称：L8M 料号： L8M.PRA.C081.45B.3 L8M.DIV.C081.45B.3 L8M.WIFI.C081.50B.3 负责人:张昌华 版本： V2 日期:2022-09-13 电话：0755-85263741传真：0755-85263741 公司地址：深圳市宝安区71区留仙一路二巷26号L楼5D公司网址：http://www.tll-skylink.com 研发环境 微波暗室 Microwave dark room 以及附属仪器设备 And auxiliary instruments and equipment 1. 2G/3G通讯微波暗室 2.4G 微波暗室通讯产品 2.CMW500 3.安捷伦网络分析仪 4.惠普网络分析仪 5.GPS101等 Research and development environment 研发设备 为您定制服务 客户名称机型天线方式 锦圳 L8MFPC 频率 4G B1/B2/B3/B4/ B5/B7/B8/B12/B17/B28/B38/B39/B40/B41 WIFI 2400MHz~2500MHz 5150MHz~5250MHz GPS 1575.42MHz 电特性 增益 2dbi 阻抗 50欧姆 极化方式线极化 天线端 模块端 L5 原主板匹配不变 值 L1（0201） / L2（0201） / L3（0201） / L4（0201） / L5（0201） / L2 L4 L1 L3 Test Result LTE1TRP 1805018550 Frequency(MHz)19251975 TxpAve(dBm)19.7118.3 Test Result LTE1TIS 50550 Frequency(MHz)21152165 SensAve(dBm)-92.85-92.97 Test Result LTE2TRP 1865019150 Frequency(MHz)18551905 TxpAve(dBm)20.6419.21 Test Result LTE2TIS 6501150 Frequency(MHz)19351985 SensAve(dBm)-92.59-91.09 Test Result LTE3TRP 1925019900 Frequency(MHz)17151780 TxpAve(dBm)17.1318.14 Test Result LTE3TIS 12501900 Frequency(MHz)18101875 SensAve(dBm)-90.09-90.88 Test Result LTE4TRP 2000020350 Frequency(MHz)17151750 TxpAve(dBm)17.618.35 Test Result LTE4TIS 20002350 Frequency(MHz)21152150 SensAve(dBm)-89.35-90.43 Test Result LTE5TRP 2045020600 Frequency(MHz)829844 TxpAve(dBm)13.9313.62 Test Result LTE5TIS 24502600 Frequency(MHz)874889 SensAve(dBm)-87.34-85.06 Test Result LTE7TRP 2080021400 Frequency(MHz)25052565 TxpAve(dBm)19.3919.72 Test Result LTE7TIS 28003400 Frequency(MHz)26252685 SensAve(dBm)-89.44-86.05 Test Result LTE8TRP 2150021750 Frequency(MHz)885910 TxpAve(dBm)13.0812.75 Test Result LTE8TIS 35003750 Frequency(MHz)930955 SensAve(dBm)-81.88-80.46 Test Result LTE28TRP 2726027460 Frequency(MHz)708728 TxpAve(dBm)14.0613.38 Test Result LTE28TIS 92609460 Frequency(MHz)763783 SensAve(dBm)-82.58-83.78 Test Result LTE7TRP 2080021400 Frequency(MHz)25052565 TxpAve(dBm)19.3919.72 Test Result LTE7TIS 28003400 Frequency(MHz)26252685 SensAve(dBm)-89.44-86.05 Test Result LTE8TRP 2150021750 Frequency(MHz)885910 TxpAve(dBm)13.0812.75 Test Result LTE8TIS 35003750 Frequency(MHz)930955 SensAve(dBm)-81.88-80.46 Test Result LTE28TRP 2726027460 Frequency(MHz)708728 TxpAve(dBm)14.0613.38 Test Result LTE28TIS 92609460 Frequency(MHz)763783 SensAve(dBm)-82.58-83.78 Test Result LTE5TRP 2045020600 Frequency(MHz)829844 TxpAve(dBm)13.9313.62 Test Result LTE5TIS 24502600 Frequency(MHz)874889 SensAve(dBm)-87.34-85.06 Test Result LTE39TRP 3835038550 Frequency(MHz)18901910 TxpAve(dBm)18.5717.42 Test Result LTE39TIS 3835038550 Frequency(MHz)18901910 SensAve(dBm)-92.93-92.49 Test Result LTE40TRP 3875039550 Frequency(MHz)23102390 TxpAve(dBm)20.9719.55 Test Result LTE40TIS 3875039550 Frequency(MHz)23102390 SensAve(dBm)-92.44-91.16 Test Result LTE41TRP 4034041140 Frequency(MHz)25652645 TxpAve(dBm)19.0719.05 Test Result LTE41TIS 4034041140 Frequency(MHz)25652645 SensAve(dBm)-90.98-89.38 Test Result LTE38TRP 3785038150 Frequency(MHz)25802610 TxpAve(dBm)18.2218.03 Test Result LTE38TIS 3785038150 Frequency(MHz)25802610 SensAve(dBm)-89.95-89.52 Test Result LTE12TRP 2306023130 Frequency(MHz)703710 TxpAve(dBm)14.5113.65 Test Result LTE12TIS 50605130 Frequency(MHz)733740 SensAve(dBm)-79.19-80.08 Test Result LTE17TRP 2378023800 Frequency(MHz)709711 TxpAve(dBm)14.0412.91 Test Result LTE17TIS 57805800 Frequency(MHz)739741 SensAve(dBm)-79.31-78.03 新增频段 802.11b:11MBps Test Result Wifi2GTRP 1611 Frequency(MHz)241224372462 TxpAve(dBm)12.3512.5812.42 Test Result Wifi2GTIS 1611 Frequency(MHz)241224372462 SensAve(dBm)-82.25-81.91-82.84 802.11a:54MBps Test Result Wifi5GTRP 36149161 Frequency(MHz)518052005250 TxpAve(dBm)11.1110.649.78 Test Result Wifi5GTIS 36149161 Frequency(MHz)518052005250 SensAve(dBm)-70.59-69.94-73.49 4G 主天线左右直角 缺口对齐两边螺丝柱 粘贴，分集天线缺口 对齐骨位粘贴 4G 主天线加导电 棉接主板屏蔽罩， 导电泡棉不要贴出 预留位置 WIFI天线对齐骨位粘贴 4G 主天线 4G 分集 天线 WIFI 天线 GPS天线对齐 红线标示粘贴 天线测试结果基本满足设备在要求的各个地 区正常的数据流量通讯使用。 天线在安装时，注意粘贴的参考点，对照定 位图位置安装。 此设备分集天线离主板比较近，天线容易与 主板短路，要在天线的馈点焊接位置贴高温 胶布或美纹胶纸防止短路。 THANK YOU

Shen zhen CTB Testing Technology Co., Ltd. Report No.: CTB220831036RFX Report Tel: 4008-707- 283 Web: http://www.ctb-lab.net Page 1 of 58 TEST REPORT Compiled by: Reviewed by: Approved by: Chen Zheng Arron Liu Bin Mei / Director Note: If there is any objection to the inspection results in this report, please submit a written report to the company within 15 days from the date of receiving the report. The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen CTB Testing Technology Co., Ltd. this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. “*” indicates the testing items were fulfilled by subcontracted lab. “#” indicates the items are not in CNAS accreditation scope. Product Name: Carplay ai box FCC ID: 2A5C8-MK665 Trademark: iHeylinkit Model Number: MK665, CP 450, CP480, MK610, MK808, MK550 Prepared For: Shenzhen Xinhai Vision Technology Co., Ltd. Address: 1608 TOWER A Zhantao Technology Building,1079 Minzhi Rd, Longhua, Shenzhen, China.518131 Manufacturer: Shenzhen Xinhai Vision Technology Co., Ltd. Address: 1608 TOWER A Zhantao Technology Building,1079 Minzhi Rd, Longhua, Shenzhen, China.518131 Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: Floor 1&2, Building A, No. 26 of Xinhe Road, Xinqiao Community, Xinqiao Street, Baoan District, Shenzhen, Guangdong, China. Sample Received Date: Aug . 18, 2022 Sample tested Date: Aug . 18, 2022 to Sept . 01, 2022 Issue Date: Sept . 0 1, 2022 Report No.: CTB220831036RFX Test Standards FCC Part15.247 ANSI C63.10:2013 Test Results PASS Remark: This is Bluetooth radio test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB220831036RFX Report Tel: 4008-707- 283 Web: http://www.ctb-lab.net Page 2 of 58 TABLE OF CONTENT Test Report Declaration Page 1. VERSION .......................................................................... 4 2. TEST SUMMARY ................................................................... 5 3. MEASUREMENT UNCERTAINTY ..................................................... 6 4. PRODUCT INFORMATION AND TEST SETUP ......................................... 7 4.1 Product Information ................................................................... 7 4.2 Test Setup Configuration ............................................................... 7 4.3 Support Equipment.................................................................... 7 4.4 Channel List ......................................................................... 8 4.5 Test Mode ........................................................................... 8 4.6 Test Environment ..................................................................... 8 5. TEST FACILITY AND TEST INSTRUMENT USED ....................................... 9 5.1 Test Facility .......................................................................... 9 5.2 Test Instrument Used .................................................................. 9 6. AC POWER LINE CONDUCTED EMISSION ............................................. 11 6.1 Block Diagram Of Test Setup .......................................................... 11 6.2 Limit ............................................................................... 11 6.3 Test procedure ...................................................................... 11 6.4 Test Result ......................................................................... 13 7. RADIATED SPURIOUS EMISSION ................................................... 15 7.1 Block Diagram Of Test Setup .......................................................... 15 7.2 Limit ............................................................................... 15 7.3 Test procedure ...................................................................... 16 7.4 Test Result ......................................................................... 17 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS .......................... 26 8.1 Block Diagram Of Test Setup .......................................................... 26 8.2 Limit ............................................................................... 26 8.3 Test procedure ...................................................................... 26 8.4 Test Result ......................................................................... 27 9. COUDUCTED PEAK OUTPUT POWER ............................................... 34 9.1 Block Diagram Of Test Setup .......................................................... 34 9.2 Limit ............................................................................... 34 9.3 Test procedure ...................................................................... 34 9.4 Test Result ......................................................................... 35 10. 20DB OCCUPIED BANDWIDTH ..................................................... 39 10.1 Block Diagram Of Test Setup ......................................................... 39 10.2 Limit .............................................................................. 39 10.3 Test procedure ..................................................................... 39 10.4 Test Result ........................................................................ 39 11. CARRIERFREQUENCIES SEPARATION ............................................. 43 11.1 Block Diagram Of Test Setup ......................................................... 43 11.2 Limit .............................................................................. 43 11.3 Test procedure ..................................................................... 43 11.4 Test Result ........................................................................ 43 12. HOPPING CHANNEL NUMBER ..................................................... 47 12.1 Block Diagram Of Test Setup ..............................…

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