2ADDW-VRCPAA-70MWMP5

FCC Software Configuration Control Declaration Rev1.0.docx Shenzhen Topband Co.,Ltd FCC Software Configuration Control Declaration Date: Jul. 08, 2022 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Attn: OET Dept. Product: MP5 Model No.: VRCPAA-70MW, VRCPAA-70M, CPAA-70M, CPAA-70MW, TB-675C, TB-675B, TB-675CW, TB-675BW Regarding FCC Country Code Selection guidelines identified in KDB 594280 D02 v01r03. “All applications for equipment authorization for transmitters that can have radio parameters, or other technical parameters, reported to the Commission set by software must have an attestation indicating that no third party will have software, or configuration control, to program the device out of compliance of the technical rules under which it has been certified.” We declare that no third party will have software, or configuration control, to program the device out of compliance of the technical rules under which it has been certified. Date: Jul. 08, 2022 Name: Ou Liang Title: Manager Signature of applicant

Shenzhen Topband Co.,Ltd Agent Authorization Company: Shenzhen Topband Co.,Ltd Address: Topband Industrial Park,LiYuan Industrial Zone ShiYan Town,Bao'An District, shenzhen, 518108, China Product Name: MP5 Model Number(s): VRCPAA-70MW, VRCPAA-70M, CPAA-70M, CPAA-70MW, TB-675C, TB-675B, TB-675CW, TB-675BW Product Description: MP5 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: Jul. 08, 2022 Name: Ou Liang Title: Manager Company: Shenzhen Topband Co.,Ltd

Shenzhen Topband Co.,Ltd Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Jul. 08, 2022 Subject; Request for Confidentiality FCC ID: 2ADDW-VRCPAA-70MW 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 Software Security Requirement 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: Ou Liang Title: Manager

Model Difference Declaration To Whom It May Concern, We, Shenzhen Topband Co.,Ltd(MP5) Trademark: Topband; Model Number: VRCPAA-70MW, VRCPAA-70M, CPAA-70M, CPAA-70MW, TB-675C, TB-675B, TB-675CW, TB-675BW; All model’s the function, software and electric circuit are the same, only with model named different. Test sample model: VRCPAA-70MW. Please contact me if you have any question. Name: Ou Liang Date: Jul. 08, 2022 Title: Manager Signature of applicant:

Annex A External Photos Report No.: HK2206212673-1E/2E Page 1 of 3 Report No.: HK2206212673-1E/2E Page 2 of 3 Report No.: HK2206212673-1E/2E Page 3 of 3

FCC ID LABEL: Ca. 8mm x 10mm Label Location FCC ID: 2ADDW-VRCPAA-70MW

Annex B Internal Photo Report No.: HK2206212673-1E/2E Page 1 of 5 Antenna Report No.: HK2206212673-1E/2E Page 2 of 5 Report No.: HK2206212673-1E/2E Page 3 of 5 Report No.: HK2206212673-1E/2E Page 4 of 5 Report No.: HK2206212673-1E/2E Page 5 of 5

MPE ESTIMATION FCC ID: 2ADDW-VRCPAA-70MW 1, Limit for General Population/ Uncontrolled Exposures Frequency Power density (mW/ cm 2 ) Averaging time(minutes) 300MHz----1.5GHz F/1500 30 1.5GHz---100GHz 1.0 30 2, Estimation Result Max PK Output power(dBm) Tune Up Power(dBm) Max Tune Up power(mW) Antenna Gain(dBi) Antenna Gain (linear) MPE (mW/cm²) EDR(2402) 4.24 4±1(5) 3.16 1 1.26 0.00079 2.4GWIFI 12.89 12±1(13) 19.95 1 1.26 0.005 Note: Note: The estimation distance is 20cm The device could not transmit simultaneously in BT and WIFI. Note: PK Output power= conducted power. Conducted power see the test report HK2206212673-1E/2E. Gantenna gain=1dBi when the minimum test separation distance is >20 cm, a distance of 20 cm is applied to determine RF Exposure test exclusion. The test exclusion threshold is 0.005mW/cm² which is< 1.0mW/cm², RF Exposure testing is not required. -------The End-------

Page 1 of 61 Report No.: HK2206212673-2E FCC TEST REPORT Test report On Behalf of Shenzhen Topband Co.,Ltd For MP5 Model No.: VRCPAA-70MW, VRCPAA-70M, CPAA-70M, CPAA-70MW, TB-675C, TB-675B, TB-675CW, TB-675BW FCC ID: 2ADDW-VRCPAA-70MW Prepared For : Shenzhen Topband Co.,Ltd Topband Industrial Park,LiYuan Industrial Zone ShiYan Town,Bao'An District, shenzhen, 518108, 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: Jun. 21, 2022 ~ Jul. 04, 2022 Date of Report: Jul. 04, 2022 Report Number: HK2206212673-2E Page 2 of 61 Report No.: HK2206212673-2E TEST RESULT CERTIFICATION Applicant’s name .................. : Shenzhen Topband Co.,Ltd Address .................................. : Topband Industrial Park,LiYuan Industrial Zone ShiYan Town,Bao'An District, shenzhen, 518108, China Manufacture's Name ............. : Shenzhen Topband Co.,Ltd Address .................................. : Topband Industrial Park,LiYuan Industrial Zone ShiYan Town,Bao'An District, shenzhen, 518108, China Product description Trade Mark: Topband Product name ............................ : MP5 Model and/or type reference . : VRCPAA-70MW, VRCPAA-70M, CPAA-70M, CPAA-70MW, TB-675C, TB-675B, TB-675CW, TB-675BW Standards .............................. : FCC Rules and Regulations Part 15 Subpart E Section 15.407 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 ............. : Jun. 21, 2022 ~ Jul. 04, 2022 Date of Issue ........................................... : Jul. 04, 2022 Test Result ............................................... : Pass Prepared by: Project Engineer Reviewed by: Project Supervisor Approved by: Technical Director Page 3 of 61 Report No.: HK2206212673-2E TABLE OF CONTENTS 1. TEST RESULT SUMMARY ........................................................................ 5 1.1. TEST PROCEDURES AND RESULTS ............................................................................................... 5 1.2. INFORMATION OF THE TEST LABORATORY ................................................................................ 5 1.3. MEASUREMENT UNCERTAINTY ..................................................................................................... 6 2. EUT DESCRIPTION ................................................................................... 7 2.1. GENERAL DESCRIPTION OF EUT ................................................................................................... 7 2.2. OPERATION FREQUENCY EACH OF CHANNEL ............................................................................ 8 2.3. OPERATION OF EUT DURING TESTING .......................................................................................... 8 2.4. DESCRIPTION OF TEST SETUP ....................................................................................................... 9 3. GENERA INFORMATION .......................................................................... 9 3.1. TEST ENVIRONMENT AND MODE ................................................................................................. 10 3.2. DESCRIPTION OF SUPPORT UNITS .............................................................................................. 11 4. TEST RESULTS AND MEASUREMENT DATA ...................................... 12 4.1. CONDUCTED EMISSION ................................................................................................................. 12 4.2. MAXIMUM CONDUCTED OUTPUT POWER ................................................................................... 15 4.3. 6DB EMISSION BANDWIDTH .......................................................................................................... 18 4.4. 26DB BANDWIDTH AND 99% OCCUPIED BANDWIDTH .............................................................. 19 4.5. POWER SPECTRAL DENSITY ........................................................................................................ 26 4.6. BAND EDGE ..................................................................................................................................... 33 4.7. SPURIOUS EMISSION ..................................................................................................................... 48 4.8. FREQUENCY STABILITY MEASUREMENT ................................................................................... 56 4.9. ANTENNA REQUIREMENT ............................................................................................................. 59 5. PHOTOGRAPHS OF TEST SETUP ......................................................... 60 6. PHOTOS OF THE EUT ............................................................................ 61 Page 4 of 61 Report No.: HK2206212673-2E ** Modified History ** Revision Description Issued Data Remark Revision 1.0 Initial Test Report Release Jul. 04, 2022 Jason Zhou Page 5 of 61 Report No.: HK2206212673-2E 1. TEST RESULT SUMMARY 1.1. TEST PROCEDURES AND RESULTS Requirement CFR 47 Section Result Antenna requirement §15.203 PASS AC Power Line Conducted Emission §15.207 N/A Maximum Conducted Output Power §15.407(a) PASS 6dB Emission Bandwidth §15.407(e) N/A 26dB Emission Bandwidth& 99% Occupied Bandwidth §15.407(a) PASS Power Spectral Density §15.407(a) PASS Band edge §15.407(b)/15.209/15.205 PASS Radiated Emission §15.407(b)/15.209/15.205 PASS Frequency Stability §15.407(g) PASS Note: 1. PASS: Test item meets t…

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Radiated Emissions