2AYL5-MARK10004K Wireless Video Transmission System

FCC ID: 2AYL5-MARK1000 Guangzhou Zoombuying Tech Co.,LTD Model Confirmation Letter We, ( Guangzhou Zoombuying Tech Co.,LTD ) certify the product: 4K Wireless Video Transmission System, models: Mark-1000(4k), Mark-xxx (4K), Mark-xxx pro+, Mark-xxx SDI, Mark-xxx S, Mark-xxx Tx Their electrical circuit design, layout, components used and internal wiring are identical, Only the name is different. Signiture: Grantee Contact: Kelly chen Company Name: Guangzhou Zoombuying Tech Co.,LTD Date: 2021-1-18

Date: 04/17/2018 VCB_F-01: Operating Procedures Form – FCC Authorization v02 Page 1 of 1 Guangzhou Zoombuying Tech Co.,LTD Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 2021-1-18 SUBJECT: FCC Application for (FCC ID: 2AYL5-MARK1000) To Whom It May Concern: We, the undersigned, hereby authorize Alisa Feng in Shenzhen Huaxia Testing Technology Co., Ltd at 1F., Block A of Tongsheng Technology Building, Huahui Road, Dalang Street, Longhua District, Shenzhen, China on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Shenzhen Huaxia Testing Technology Co., Ltd on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, (Must be signed by the person that is listed on the FCC Website) Signature: Contact name: Kelly chen Company name: Guangzhou Zoombuying Tech Co.,LTD Address: 101, 863 Bld, No. 1, Kesheng Rd,Private Sci-Tech Park ,Baiyun District, Guangzhou, China

Date: 04/17/2018 VCB_F-01: Operating Procedures Form – FCC Confidentiality v02 Page 1 of 1 Guangzhou Zoombuying Tech Co.,LTD Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2AYL5-MARK1000 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name 1. Block Diagram, 2. Schematics, 3. Operational Description 1. 2AYL5-MARK1000 -Block diagram 2. 2AYL5-MARK1000 -SCH 3. 2AYL5-MARK1000 -Operational description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Pursuant to DA04-1705 June 15, 2004 of the Commission’s public notice, we also request temporary confidential treatment of information accompanying this application as outlined below for an initial period of xxxx (ie- “45”, “90” or “180”) days: Exhibit Type File Name N/A N/A Signature: Contact name: Kelly chen Company name: Guangzhou Zoombuying Tech Co.,LTD Address: 101, 863 Bld, No. 1, Kesheng Rd,Private Sci-Tech Park ,Baiyun District, Guangzhou, China

FCC ID: 2AYL5-MARK1000 FCC ID: 2AYL5-MARK1000 FCC ID: 2AYL5-MARK1000 FCC ID: 2AYL5-MARK1000 FCC ID: 2AYL5-MARK1000

SIZE: 30*60mm 4K Wireless Video Transmission System MODEL: Mark-1000(4k) FCC ID: 2AYL5-MARK1000 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 ID: 2AYL5-MARK1000 FCC ID: 2AYL5-MARK1000 FCC ID: 2AYL5-MARK1000 FCC ID: 2AYL5-MARK1000 FCC ID: 2AYL5-MARK1000

Shenzhen Huaxia Testing Technology Co., Ltd 1F., Block A of Tongsheng Technology Building, Huahui Road, Dalang Street, Longhua District, Shenzhen, China Telephone: +86-755-26648640 Fax: +86-755-26648637 Website: www.cqa-cert.com Report Template Version: V04 Report Template Revision Date: 2018-07-06 RF Exposure Evaluation Report The test report is effective only with both signature and specialized stamp, The result(s) shown in this report refer only to the sample(s) tested. Without written approval of CQA, this report can’t be reproduced except in full. Report No. : CQASZ20201200046EX-02 Applicant: Guangzhou Zoombuying Tech Co.,LTD Address of Applicant: 101, 863 Bld, No. 1, Kesheng Rd,Private Sci-Tech Park, Baiyun District,Guangzhou Equipment Under Test (EUT): Product: 4K Wireless Video Transmission System Model No.: Mark-1000(4k), Mark-xxx (4K), Mark-xxx pro+, Mark-xxx SDI, Mark-xxx S, Mark-xxx Tx Test Model No.: Mark-1000(4k) Brand Name: RollMaster FCC ID: 2AYL5-MARK1000 Standards: 47 CFR Part 1.1307 47 CFR Part 1.1310 KDB447498D01 General RF Exposure Guidance v06 Date of Receipt: Dec. 21, 2020 Date of Test: Dec. 21, 2020 to Jan. 21, 2021 Date of Issue: Jan. 21, 2021 Test Result : PASS* *In the configuration tested, the EUT complied with the standards specified above Tested By: ( Jun Li ) Reviewed By: ( Ares Liu ) Approved By: ( Sheek Luo ) Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201200046EX-02 Page:2 of 8 1 Version Revision History Of Report Report No. Version Description Issue Date CQASZ20201200046EX-02 Rev.01 Initial report Jan. 21, 2021 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201200046EX-02 Page:3 of 8 2 Contents Page 1 VERSION .....................................................................................................................................................................2 2 CONTENTS .................................................................................................................................................................3 3 GENERAL INFORMATION ......................................................................................................................................4 3.1 CLIENT INFORMATION ...............................................................................................................................................4 3.2 GENERAL DESCRIPTION OF EUT ...............................................................................................................................4 4 RF EXPOSURE EVALUATION ................................................................................................................................5 4.1 RF EXPOSURE COMPLIANCE REQUIREMENT ..............................................................................................................5 4.1.1 Limits ..............................................................................................................................................................5 4.1.2 Test Procedure ..............................................................................................................................................5 4.1.3 EUT RF Exposure Evaluation standalone operations .............................................................................6 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201200046EX-02 Page:4 of 8 3 General Information 3.1 Client Information Applicant: Guangzhou Zoombuying Tech Co.,LTD Address of Applicant: 101, 863 Bld, No. 1, Kesheng Rd,Private Sci-Tech Park ,Baiyun District, Guangzhou Manufacturer: Guangzhou Zoombuying Tech Co.,LTD Address of Manufacturer: 101, 863 Bld, No. 1, Kesheng Rd,Private Sci-Tech Park ,Baiyun District, Guangzhou 3.2 General Description of EUT Product Name: 4K Wireless Video Transmission System Model No.: Mark-1000(4k), Mark-xxx (4K), Mark-xxx pro+, Mark-xxx SDI, Mark-xxx S, Mark-xxx Tx Test Model No.: Mark-1000(4k) Trade Mark: RollMaster Hardware Version: V1.0 Software Version: V1.0 Sample Type: Mobile Portable Fix Location Power Supply: DC7-16V or DC7.4V-lithium battery Operation Frequency: 5180 ~ 5240 MHz Channel Numbers: 5180 ~ 5240 MHz: 4 Channels for 802.11a, 802.11n, 802.11ac 2 Channels for 802.11n40 , 802.11ac 40 Type of Modulation: IEEE 802.11a/IEEE 802.11n/IEEE 802.11ac: OFDM Antenna Type: Glue stick antenna Antenna Gain: Antenna 1: 3dBi Antenna 2: 3dBi MIMO: 6.01dBi Note: Model No.: Mark-1000(4k), Mark-xxx (4K), Mark-xxx pro+, Mark-xxx SDI, Mark-xxx S, Mark-xxx Tx Only the model Mark-1000(4k) was tested, since the electrical circuit design, layout, components used and internal wiring were identical for the above models, with difference being color of appearance and model name. Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201200046EX-02 Page:5 of 8 4 RF Exposure Evaluation 4.1 RF Exposure Compliance Requirement 4.1.1 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 Friis 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, 1 mW/cm2 . If we know the maximum gain of the antenna and the total power input to the antenna, through the calculation, we will know the distance r where the MPE limit is reached. 4.1.2 Test Procedure Software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201200046EX-02 Page:6 of 8 4.1.3 EUT RF Exposure Evaluation standalone operations 2) For 5G WIFI Antenna Gain: Antenna 1: 3dBi, Antenna 2: 3dBi, MIMO: 6.01dBi Antenna Gain: The maximum Gai…

Text truncated - open the document above for the full version.

Shenzhen Huaxia Testing Technology Co., Ltd 1F., Block A of Tongsheng Technology Building, Huahui Road, Dalang Street, Longhua District, Shenzhen, China Telephone: +86-755-26648640 Fax: +86-755-26648637 Website: www.cqa-cert.com Report Template Version: V03 Report Template Revision Date: Mar.1st, 2017 Test Report * In the configuration tested, the EUT complied with the standards specified above. The test report is effective only with both signature and specialized stamp, The result(s) shown in this report refer only to the sample(s) tested. Without written approval of CQA, this report can’t be reproduced except in full. Report No. : CQASZ20201200046EX-01 Applicant: Guangzhou Zoombuying Tech Co.,LTD Address of Applicant: 101, 863 Bld, No. 1, Kesheng Rd,Private Sci-Tech Park ,Baiyun District, Guangzhou Manufacturer: Guangzhou Zoombuying Tech Co.,LTD Address of Manufacturer: 101, 863 Bld, No. 1, Kesheng Rd,Private Sci-Tech Park ,Baiyun District, Guangzhou Equipment Under Test (EUT): Product: 4K Wireless Video Transmission System All Model No.: Mark-1000(4k), Mark-xxx (4K), Mark-xxx pro+, Mark-xxx SDI, Mark-xxx S, Mark-xxx Tx Test Model No.: Mark-1000(4k) Brand Name: RollMaster FCC ID: 2AYL5-MARK1000 Standards: 47 CFR Part 15, Subpart E Date of Test: Dec. 21, 2020 to Jan. 21, 2021 Date of Issue: Jan. 21, 2021 Test Result : PASS Tested By: ( Jun Li ) Reviewed By: ( Ares Liu ) Approved By: ( Sheek Luo ) Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201200046EX-01 Page:2 of 61 1 Version Revision History Of Report Report No. Version Description Issue Date CQASZ20201200046EX-01 Rev.01 Initial report Jan. 21, 2021 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201200046EX-01 Page:3 of 61 2 Test Summary Test Item Test Requirement Test method Result Antenna Requirement FCC 47 CFR Part 15 Subpart C 15.203 /15.407(a)(1) (2) ANSI C63.10-2013 PASS AC Power Line Conducted Emission FCC 47 CFR Part 15 Subpart E Section 15.407 (b)(6) ANSI C63.10-2013 N/A 26 dB emission bandwidth FCC 47 CFR Part 15 Subpart E Section 15.407 (a)(1)(3) KDB 789033 D02 v02r01 Section C.1 PASS 6 dB bandwidth FCC 47 CFR Part 15 Subpart E Section 15.407 (e) KDB 789033 D02 v02r01 Section C.2 PASS Maximum conducted output power FCC 47 CFR Part 15 Subpart E Section 15.407 (a)(1)(2)(3) KDB 789033 D02 v02r01 Section E.3.a(Method PM) PASS Peak Power Spectral Density FCC 47 CFR Part 15 Subpart E Section 15.407 (a)(1)(3)(5) KDB 789033 D02 v02r01 Section F PASS Frequency stability FCC 47 CFR Part 15 Subpart E Section 15.407 (g) ANSI C63.10-2013 PASS Radiated Emissions and Band Edge Measurement FCC 47 CFR Part 15 Subpart E Section 15.407 (b)(1)(2)(4)(5)(6)(7)(8) ANSI C63.10-2013 PASS Dynamic Frequency Selection FCC 47 CFR Part 15 Subpart E Section 15.407 (h) KDB 905462 D03 Client Without DFS New Rules v01r02 N/A Note: N/A: In this whole report not application. Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201200046EX-01 Page:4 of 61 3 Contents Page 1 VERSION ..................................................................................................................................................................... 2 2 TEST SUMMARY ....................................................................................................................................................... 3 3 CONTENTS ................................................................................................................................................................. 4 4 GENERAL INFORMATION ....................................................................................................................................... 5 4.1 CLIENT INFORMATION ............................................................................................................................................ 5 4.2 GENERAL DESCRIPTION OF EUT .......................................................................................................................... 5 4.3 TEST ENVIRONMENT AND MODE ........................................................................................................................... 6 4.4 DESCRIPTION OF SUPPORT UNITS ........................................................................................................................ 8 4.5 TEST LOCATION ..................................................................................................................................................... 8 4.6 TEST FACILITY........................................................................................................................................................ 8 4.7 STATEMENT OF THE MEASUREMENT UNCERTAINTY .............................................................................................. 9 4.8 DEVIATION FROM STANDARDS .............................................................................................................................. 9 4.9 ABNORMALITIES FROM STANDARD CONDITIONS ................................................................................................... 9 4.10 OTHER INFORMATION REQUESTED BY THE CUSTOMER ................................................................................... 10 4.11 EQUIPMENT LIST ................................................................................................................................................ 10 5 TEST RESULTS AND MEASUREMENT DATA ................................................................................................. 11 5.1 ANTENNA REQUIREMENT ..................................................................................................................................... 11 5.2 CONDUCTED AVERAGE OUTPUT POWER ............................................................................................................ 12 5.3 26DB BANDWIDTH ....................................................................................................................................…

Text truncated - open the document above for the full version.

Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201200046EX-01 Page:40 of 61 5.6.2 Transmitter emission above 1GHz Only show ANT1 test date: Test mode: 802.11a20(6Mbps) Test channel: 36 Frequency Meter Reading Factor Emission Level Limits Over Detector Type Ant. Pol. (MHz) (dBμV) (dB) (dBμV/m) (dBμV/m) (dB) H/V 10360.000 51.66 2.13 53.79 74 -20.21 peak H 10360.000 38.16 2.13 40.29 54 -13.71 AVG H 15540.000 48.76 3.62 52.38 74 -21.62 peak H 15540.000 33.93 3.62 37.55 54 -16.45 AVG H 10360.000 52.46 2.13 54.59 74 -19.41 peak V 10360.000 38.23 2.13 40.36 54 -13.64 AVG V 15540.000 49.06 3.62 52.68 74 -21.32 peak V 15540.000 33.38 3.62 37.00 54 -17.00 AVG V Test mode: 802.11a20(6Mbps) Test channel: 40 Frequency Meter Reading Factor Emission Level Limits Over Detector Type Ant. Pol. (MHz) (dBμV) (dB) (dBμV/m) (dBμV/m) (dB) H/V 10440.000 52.11 2.23 54.34 74 -19.66 peak H 10440.000 37.32 2.23 39.55 54 -14.45 AVG H 15660.000 48.41 3.75 52.16 74 -21.84 peak H 15660.000 33.20 3.75 36.95 54 -17.05 AVG H 10440.000 49.84 2.23 52.07 74 -21.93 peak V 10440.000 38.16 2.23 40.39 54 -13.61 AVG V 15660.000 48.07 3.75 51.82 74 -22.18 peak V 15660.000 33.14 3.75 36.89 54 -17.11 AVG V Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201200046EX-01 Page:41 of 61 Test mode: 802.11a20(6Mbps) Test channel: 48 Frequency Meter Reading Factor Emission Level Limits Over Detector Type Ant. Pol. (MHz) (dBμV) (dB) (dBμV/m) (dBμV/m) (dB) H/V 10480.000 48.93 2.31 51.24 74 -22.76 peak H 10480.000 38.66 2.31 40.97 54 -13.03 AVG H 15720.000 49.39 3.82 53.21 74 -20.79 peak H 15720.000 34.87 3.82 38.69 54 -15.31 AVG H 10480.000 49.53 2.31 51.84 74 -22.16 peak V 10480.000 38.77 2.31 41.08 54 -12.92 AVG V 15720.000 49.08 3.82 52.90 74 -21.10 peak V 15720.000 33.28 3.82 37.10 54 -16.90 AVG V Test mode: 802.11n20(6.5Mbps) Test channel: 36 Frequency Meter Reading Factor Emission Level Limits Over Detector Type Ant. Pol. (MHz) (dBμV) (dB) (dBμV/m) (dBμV/m) (dB) H/V 10360.000 50.53 2.42 52.95 74 -21.05 peak H 10360.000 40.25 2.42 42.67 54 -11.33 AVG H 15540.000 48.44 3.92 52.36 74 -21.64 peak H 15540.000 40.74 3.92 44.66 54 -9.34 AVG H 10360.000 51.47 2.42 53.89 74 -20.11 peak V 10360.000 39.84 2.42 42.26 54 -11.74 AVG V 15540.000 48.31 3.92 52.23 74 -21.77 peak V 15540.000 39.03 3.92 42.95 54 -11.05 AVG V Test mode: 802.11n20(6.5Mbps) Test channel: 40 Frequency Meter Reading Factor Emission Level Limits Over Detector Type Ant. Pol. (MHz) (dBμV) (dB) (dBμV/m) (dBμV/m) (dB) H/V 10440.000 51.72 2.23 53.95 74 -20.05 peak H 10440.000 39.38 2.23 41.61 54 -12.39 AVG H 15660.000 48.82 3.75 52.57 74 -21.43 peak H 15660.000 40.06 3.75 43.81 54 -10.19 AVG H 10440.000 52.95 2.23 55.18 74 -18.82 peak V 10440.000 39.85 2.23 42.08 54 -11.92 AVG V 15660.000 49.13 3.75 52.88 74 -21.12 peak V 15660.000 39.21 3.75 42.96 54 -11.04 AVG V Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201200046EX-01 Page:42 of 61 Test mode: 802.11n20(6.5Mbps) Test channel: 48 Frequency Meter Reading Factor Emission Level Limits Over Detector Type Ant. Pol. (MHz) (dBμV) (dB) (dBμV/m) (dBμV/m) (dB) H/V 10480.000 50.33 2.31 52.64 74 -21.36 peak H 10480.000 40.19 2.31 42.50 54 -11.50 AVG H 15720.000 49.49 3.82 53.31 74 -20.69 peak H 15720.000 39.42 3.82 43.24 54 -10.76 AVG H 10480.000 52.83 2.31 55.14 74 -18.86 peak V 10480.000 40.93 2.31 43.24 54 -10.76 AVG V 15720.000 49.57 3.82 53.39 74 -20.61 peak V 15720.000 40.52 3.82 44.34 54 -9.66 AVG V Test mode: 802.11ac20(6.5Mbps) Test channel: 36 Frequency Meter Reading Factor Emission Level Limits Over Detector Type Ant. Pol. (MHz) (dBμV) (dB) (dBμV/m) (dBμV/m) (dB) H/V 10360.000 49.33 2.13 51.46 74 -22.54 peak H 10360.000 39.00 2.13 41.13 54 -12.87 AVG H 15540.000 48.57 3.62 52.19 74 -21.81 peak H 15540.000 40.06 3.62 43.68 54 -10.32 AVG H 10360.000 49.45 2.13 51.58 74 -22.42 peak V 10360.000 39.42 2.13 41.55 54 -12.45 AVG V 15540.000 48.71 3.62 52.33 74 -21.67 peak V 15540.000 39.82 3.62 43.44 54 -10.56 AVG V Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201200046EX-01 Page:43 of 61 Test mode: 802.11ac20(6.5Mbps) Test channel: 40 Frequency Meter Reading Factor Emission Level Limits Over Detector Type Ant. Pol. (MHz) (dBμV) (dB) (dBμV/m) (dBμV/m) (dB) H/V 10440.000 49.39 2.23 51.62 74 -22.38 peak H 10440.000 39.28 2.23 41.51 54 -12.49 AVG H 15660.000 49.36 3.75 53.11 74 -20.89 peak H 15660.000 40.05 3.75 43.80 54 -10.20 AVG H 10440.000 52.81 2.23 55.04 74 -18.96 peak V 10440.000 40.60 2.23 42.83 54 -11.17 AVG V 15660.000 48.16 3.75 51.91 74 -22.09 peak V 15660.000 39.48 3.75 43.23 54 -10.77 AVG V Test mode: 802.11ac20(6.5Mbps) Test channel: 48 Frequency Meter Reading Factor Emission Level Limits Over Detector Type Ant. Pol. (MHz) (dBμV) (dB) (dBμV/m) (dBμV/m) (dB) H/V 10480.000 48.97 2.31 51.28 74 -22.72 peak H 10480.000 40.82 2.31 43.13 54 -10.87 AVG H 15720.000 48.32 3.82 52.14 74 -21.86 peak H 15720.000 39.79 3.82 43.61 54 -10.39 AVG H 10480.000 50.68 2.31 52.99 74 -21.01 peak V 10480.000 39.11 2.31 41.42 54 -12.58 AVG V 15720.000 48.57 3.82 52.39 74 -21.61 peak V 15720.000 40.08 3.82 43.90 54 -10.10 AVG V Remark: 1) The 6Mbps of rate of 802.11a is the worst case. 2) The field strength is calculated by adding the Antenna Factor, Cable Factor & Preamplifier. The basic equation with a sample calculation is as follows: Final Test Level =Receiver Reading + Antenna Factor + Cable Factor – Preamplifier Factor 3) Scan from 9kHz to 40GHz,The disturbance above 18GHz and below 30MHz was very low, and the above harmonics were the highest point could be found when testing, so only the above harmonics had been displayed. The amplitude of spurious emissions from the radiator which are attenuated more than 20dB below the limit need not be reported. Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201200046EX-01 Page:44 of 61 5.7 Restricted bands around fundamental frequency Test Requirement: FCC 47 CFR Part 15 Subpart E Section 15.407 (b)(1)(2)(3)(4)(6) FCC 47 CFR P…

Text truncated - open the document above for the full version.

FCC ID: 2AYL5-MARK1000 1 Photographs - EUT Test Setup Please refer to test setup file 9kHz~30MHz 30MHz~1GHz FCC ID: 2AYL5-MARK1000 Above 1GHz