2AZ3JR520Network Camera

Grantee also Agent for Service of Process_FCC_Attestation Statements_Kiwa Page 1 of 2 RF_754_02 15-02-2023 U.S. Agent Designation for Service of Process (Applicant is Both Grantee and U.S. Agent) TO: Kiwa Nederland B.V. Wilmersdorf 50 7327 AC Apeldoorn Postbus 137 7300 AC Apeldoorn Netherlands ATTENTION: FCC Certification – Section 2.911(d)(7) Information This letter is to confirm that the Applicant will also serve as the U.S. Agent for Service of Process as required by 47 CFR 2.911(d)(7). The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The Applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information changes. Applicant & Agent Company name: Rhombus Systems, Inc FRN: 0030968606 Grantee Code: 2AZ3J Contact person name: Dave Gustafson Agent name: Dave Gustafson Street address: 1920 20th Street ZIP/City/State Sacramento Telephone number: (650) 269-7258 Email address: [email protected] Signature Contact person*: Date: 14 May 2024 Signature Agent*: Date: 14 May 2024 Grantee also Agent for Service of Process_FCC_Attestation Statements_Kiwa Page 2 of 2 RF_754_02 15-02-2023 Note *Must be signed by both the applicant, and agent on behalf Revision Record Sheet: Revision Section number Page number Date Remark(s) issued by 01 09-02-2023 1 st version RvM 02 1 15-02-2023 Added FRN RvdM Issued/modified by : Richard van de Meer Function : Certification assessor Revision : 0 2 Date : 15-02-2023 Verified by : Willem Jan Jong Function : Team Lead Date : 16-02-2023 Released by : Axel Gase Function : Manager Quality Assurance Date of release: : 19-02-2023

Covered list attestation FCC application letter Kiwa Page 1 of 2 RF_755_02 15-02-2023 Certification Application Attestation Statements Rhombus Systems, Inc 1920 20th Street CA 95811 Sacramento, United States Subject: FCC ID: 2AZ3JR520 To Whom It May Concern: Statement for 47 CFR section 2.911(d)(5)(i) Rhombus Systems, Inc certifies that as of the date of the application the equipment for which authorization is sought is not “covered” equipment 1 prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, including affiliates or subsidiaries of the named companies, the applicant must include an explanation on why the equipment is not “covered” equipment. Additional Explanation: <N/A> Statement for 47 CFR section 2.911(d)(5)(ii) Rhombus Systems, Inc (“the applicant”) certifies that, as of the date of the filing of this application, the applicant - is / - is not (3) identified on the Covered List as an entity producing “covered” equipment. Date: 14 May 2024 City: Sacramento Name (2) : Dave Gustafson Function: Vice President of Hardware Telephone number: (650) 269-7258 Email address: [email protected] Signature: Revision Record Sheet: 1 - The Commission’s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist . (2): For FCC it must be the Grantee Code “owner” or the authorized agent. (3): double click on the appropriate box and select ‘’checked” then “OK” Covered list attestation FCC application letter Kiwa Page 2 of 2 RF_755_02 15-02-2023 Revision Section number Page number Date Remark(s) issued by 01 07-02-2023 1 st version RvM 02 1 15-02-2023 Changed Applicant to Company and added “Subject: FCC ID: “ RvdM Issued/modified by : Richard van de Meer Function : Certification assessor Revision : 0 2 Date : 15-02-2023 Verified by : Willem Jan Jong Function : Team Lead Date : 16-02-2023 Released by : Axel Gase Function : Manager Quality Assurance Date of release: : 19-02-2023

RF_160_05 Declaration of Authorisation Date of issue 02-01-2023 Declaration of Authorization We Name: Rhombus Systems, Inc Address: 1920 20th Street City: Sacramento, CA 95811 Country: United States Declare that: Name Representative of agent: Gary Wu (1) Agent Company name: Wendell Industrial Co., Ltd. Address: 1F, No. 119, Wugong 3rd Rd., Wugu Dist. City: New Taipei City Country Taiwan R.O.C. is authorized to apply for Certification of the following product(s): Product description: Network Camera Type designation: R520 Trademark: Rhombus Validity/ expiry date on our behalf. Date: 14 May 2024 City: Sacramento Name: Dave Gustafson (2) Function: Vice President of Hardware Signature: ............................... Notes: (1): Required for FCC application (2): For FCC it must be the Grantee Code “owner” or the authorized agent. Revision Record Sheet: Revision Section number Page number Date Remark(s) issued by 02 1 02-01-2023 History sheet added AG Issued/modified by : Axel Gase Function : Quality Manager Revision : 0 2 Date : 02-01-2023 Verified by : Willem Jan Jong Function : Team Lead Date : 02-01-2023 Released by : Axel Gase Function : Manager Quality Assurance Date of release: : 02-01-2023

FCC, Request for non-disclosure Date: 23-06-2023 RF_501, Issue 11 Page 1 of 2 Company Name: Rhombus Systems, Inc Address : 1920 20th Street City: Sacramento, CA 95811 Country: United States To: Kiwa Netherlands B.V., Dept. FCC TCB Wilmersdorf 50 7327 AC Apeldoorn The Netherlands Subject: Request for confidentiality FCC ID: 2AZ3JR520 Reference number: ###### Dear FCC TCB, 1. Long-Term Confidentiality Pursuant to 47 CFR Section 0.459(a) & (b), we hereby requests non-disclosure and confidential treatment of the following materials submitted in support of FCC certification application: Bill(s) of Material Block Diagrams Operational Description Schematic Diagrams Tune-up Procedure Above materials contain secrets, proprietary and technical information, which would customarily be guarded from competitors under 47 CFR, section 0.457(d)(2). Disclosure or publication or any portion of this company confidential material to other parties could cause substantial competitive harm and provide unjustified benefits for competitors. 2. Short-Term Confidentiality (STC) Pursuant to Public Notice DA 04-1705 of the Commission’s policy, in order to comply with the marketing regulations in 47 CFR §2.803 and the importation rules in 47 CFR §2.1204, a pplicant hereby requests Short-Term Confidential treatment of the following materials (See notes below): Internal Photos User’s Manual Test Set-up Photos External Photos Justification: Date: 14 May 2024 Name and signature of applicant: Dave Gustafson Notes: 1) A document or type of document can only have ONE type of confidentiality! 2) Short-Term confidentiality is in principle for 45 days from date of grant; it can be extended max 3 times (total time 180 days max.)! The planned date should state in the RF731 application form. 3) FCC must be informed when marketing begins earlier. 4) Release takes place automatically thus extension must be requested in time. Telefication does not remind you of this! 5) Request for extension or for release must be received by Kiwa NL B.V. at least 7 days before date of actual marketing or before expiration of the STC period FCC, Request for non-disclosure Date: 23-06-2023 RF_501, Issue 11 Page 2 of 2 Revision Record Sheet: Revision Section number Page number Date Remark(s) issued by 10 1 02-01-2023 History sheet added AG 11 1 & 2 23-06-2023 Corrected date and page# WJJ Issued/modified by : Willem Jan Jong Function : Team Lead Revision : 11 Date : 23-06-2023 Verified by : Axel Gase Function : Manager Quality Assurance Date : 23-06-2023 Released by : Axel Gase Function : Manager Quality Assurance Date of release: : 23-06-2023

Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 1 of 4 Attachment 2：EUT Detailed Photographs Photo 1 Trade Name：rhombus Model Name：R520 Photo 2 Trade Name：rhombus Model Name：R520 Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 2 of 4 Photo 3 Trade Name：rhombus Model Name：R520 Photo 4 Trade Name：rhombus Model Name：R520 Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 3 of 4 Photo 5 Trade Name：rhombus Model Name：R520 Photo 6 Trade Name：rhombus Model Name：R520 Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 4 of 4 Photo 7 Trade Name：rhombus Model Name：R520 Photo 8 Trade Name：rhombus Model Name：R520 --- END ---

Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 1 of 21 Attachment 2：EUT Detailed Photographs Photo 1 Trade Name：rhombus Model Name：R520 Photo 2 Trade Name：rhombus Model Name：R520 Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 2 of 21 Photo 3 Trade Name：rhombus Model Name：R520 Photo 4 Trade Name：rhombus Model Name：R520 Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 3 of 21 Photo 5 Trade Name：rhombus Model Name：R520 Photo 6 Trade Name：rhombus Model Name：R520 Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 4 of 21 Photo 7 Trade Name：rhombus Model Name：R520 Photo 8 Trade Name：rhombus Model Name：R520 Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 5 of 21 Photo 9 Trade Name：rhombus Model Name：R520 Photo 10 Trade Name：rhombus Model Name：R520 Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 6 of 21 Photo 11 Trade Name：rhombus Model Name：R520 Photo 12 Trade Name：rhombus Model Name：R520 Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 7 of 21 Photo 13 Trade Name：rhombus Model Name：R520 Photo 14 Trade Name：rhombus Model Name：R520 Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 8 of 21 Photo 15 Trade Name：rhombus Model Name：R520 Photo 16 Trade Name：rhombus Model Name：R520 Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 9 of 21 Photo 17 Trade Name：rhombus Model Name：R520 Photo 18 Trade Name：rhombus Model Name：R520 Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 10 of 21 Photo 19 Trade Name：rhombus Model Name：R520 Photo 20 Trade Name：rhombus Model Name：R520

Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 11 of 21 Photo 21 Trade Name：rhombus Model Name：R520 Photo 22 Trade Name：rhombus Model Name：R520 Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 12 of 21 Photo 23 Trade Name：rhombus Model Name：R520 Photo 24 Trade Name：rhombus Model Name：R520 Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 13 of 21 Photo 25 Trade Name：rhombus Model Name：R520 Photo 26 Trade Name：rhombus Model Name：R520 Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 14 of 21 Photo 27 Trade Name：rhombus Model Name：R520 Photo 28 Trade Name：rhombus Model Name：R520 Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 15 of 21 Photo 29 Trade Name：rhombus Model Name：R520 Photo 30 Trade Name：rhombus Model Name：R520 RF Chip Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 16 of 21 Photo 31 Trade Name：rhombus Model Name：R520 Photo 32 Trade Name：rhombus Model Name：R520 Antenna Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 17 of 21 Photo 33 Trade Name：rhombus Model Name：R520 Photo 34 Trade Name：rhombus Model Name：R520 Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 18 of 21 Photo 35 Trade Name：rhombus Model Name：R520 Photo 36 Trade Name：rhombus Model Name：R520 Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 19 of 21 Photo 37 Trade Name：rhombus Model Name：R520 Photo 38 Trade Name：rhombus Model Name：R520 Antenna Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 20 of 21 Photo 39 Trade Name：rhombus Model Name：R520 Photo 40 Trade Name：rhombus Model Name：R520 Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 21 of 21 Photo 41 Trade Name：rhombus Model Name：R520 --- END ---

Report No: WD-RF-R-240054-B0 Page 1 of 10 FCC MPE Evaluation Report Report No: WD-RF-R-240054-B0 Product Name : Network Camera Model Name : R520 FCC ID : 2AZ3JR520 Applicant : Rhombus Systems, Inc. Received Date : Jan. 23, 2024 Tested Date : Jan. 26, 2024 ~ Apr. 01, 2024 Applicable Standard : 47 CFR FCC Part 2.1091 47 CFR FCC Part 1.1310 KDB 447498 D01 OET Bulletin 65 Supplement C Wendell Industrial Co., Ltd Wendell EMC & RF Laboratory Caution: This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. The test results shown in the test report are traceable to the national/international standard through the calibration report of the equipment. Please note that the measurement uncertainty are provided for informational purpose only and are not used in determining the Pass/Fail results. This report must not be used to claim product endorsement by TAF or any agency of the government. The test report shall not be reproduced without the written approval of Wendell Industrial Co., Ltd.. Report No: WD-RF-R-240054-B0 Page 2 of 10 Test Report Issued Date: April 01, 2024 Project No.: 24Q012303 Product Name Network Camera Trade Name Model Name R520 FCC ID 2AZ3JR520 Applicant Rhombus Systems, Inc. Manufacturer VIVOTEK INC. EUT Rated Voltage PoE 42.5V ~ 57V EUT Test Voltage RSE: PoE 54V, AC Conduction: AC 120V / 60Hz EUT Supports Radios Application Bluetooth LE Applicable Standard 47 CFR FCC Part 2.1091 47 CFR FCC Part 1.1310 KDB 447498 D01 OET Bulletin 65 Supplement C RF Evaluation 0.00443 mW/cm 2 Test Result Complied Documented : ( Specialist / Emma Lu ) Technical Engineer : ( Section Manager / Jack Chang ) Approved : ( Project Manager / Gary Wu ) Report No: WD-RF-R-240054-B0 Page 3 of 10 Table of Contents Document Revision History ................................................................................................................. 4 Reference Testing Standard ................................................................................................................. 5 1 Generation Information .............................................................................................................. 6 1.1 Applicant .................................................................................................................................... 6 1.2 Manufacturer ............................................................................................................................. 6 1.3 Description of Equipment under Test ...................................................................................... 6 1.4 Test Facility ................................................................................................................................ 7 2 Mobile device Assessment Procedure ......................................................................................... 8 3 RF Exposure Assessment ............................................................................................................. 8 4 Limit Requirement ...................................................................................................................... 9 5 Test Results ................................................................................................................................. 10 Report No: WD-RF-R-240054-B0 Page 4 of 10 Document Revision History Report No. Issue date Description WD-RF-R-240054-B0 April 01, 2024 Initial report Report No: WD-RF-R-240054-B0 Page 5 of 10 Reference Testing Standard Standard Description Version 47 CFR FCC Part 2.1091 Radiofrequency radiation exposure evaluation: mobile devices. -- 47 CFR FCC Part 1.1310 Radiofrequency radiation exposure limits. -- KDB 447498 D01 RF Exposure procedures and equipment authorization policies for mobile and portable devices. V06 OET Bulletin 65 Supplement C Evaluating Compliance with FCC Guidelines for Human Exposure to Radiofrequency Electromagnetic Fields. Edition 01-01 Report No: WD-RF-R-240054-B0 Page 6 of 10 1 Generation Information 1.1 Applicant Rhombus Systems, Inc. 1920 20th Street, Sacramento, CA 95811 1.2 Manufacturer VIVOTEK INC. 5F, No.168, Lien-Cheng Rd., Chung-Ho , New Taipei City, 235, Taiwan, R.O.C. 1.3 Description of Equipment under Test Product Name Network Camera Model No. R520 FCC ID 2AZ3JR520 Frequency Range 2402 ~ 2480 MHz Antenna Information Refer to the table “Antenna List” The above equipment was tested by Wendell EMC & RF Laboratory For compliance with the requirements set forth in 47 CFR § 2.1091 / 47 CFR § 1.1310. The results of testing in this report apply only to the product/system, which was tested. Other similar equipment will not necessarily produce the same results due to production tolerance and measurement uncertainties Antenna List No. Manufacturer Model No. Antenna Type Peak Gain 1 LYNwave ALX23P-052AA1-00 PIFA Antenna 2.7 dBi for 2.4GHz Report No: WD-RF-R-240054-B0 Page 7 of 10 1.4 Te s t Facility Items Required (IEC 60068-1) Temperature (°C) 15-35 Humidity (% RH) 25-75 Barometric pressure (mbar) 860-1060 Description: Accredited by TAF Accredited Number: 2965 Issued by: Wendell Industrial Co., Ltd Company Address: 6F/6F-1, No.188, Baoqiao Rd., Xindian Dist., New Taipei City 23145, Taiwan R.O.C Test Lab: Wendell EMC & RF Laboratory Lab Address: 5F-1, No.188, Baoqiao Rd., Xindian Dist., New Taipei City 23145, Taiwan R.O.C Test Location: No. 119, Wugong 3rd Rd., Wugu Dist., New Taipei City 248, Taiwan (R.O.C.) Designation Number: TW0025 Test Firm Registration Number: 665221 Report No: WD-RF-R-240054-B0 Page 8 of 10 2 Mobile device Assessment Procedure In 47 CFR § 2.1091, a mobile device is defined as a transmitting device designed to be used in other than fixed locations and to generally be used in…

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Copyright © 2021 LynwaveTechnology Ltd. All rights reserved. LYNwaveTechnology Ltd. 5F., No. 655,XuechengRd.,ShulinDist., New Taipei City, 238701,Taiwan Website: www.lynwave.com Tel: +886 2 3501 8700 Email: [email protected] CategorySpecification Dimension (mm)31x 16.5 Thickness (mm)0.6 Weight (g)TBD ConnectorIPEX MHF CableLow Loss RF-1.37 Cable Length (mm)120 MaterialPCB (FR4) Operating Temp (⁰C)-40⁰C ~ +85⁰C StorageTemp (⁰C) 23±5⁰C Storage Humidity (%)30%~70% Surveillance Connected Healthcare Personal/Pet Trackers Patient Monitors ALX23P-052AA1-00 Electrical Specification CategorySpecification Frequency (MHz)2400 -2500 Peak Gain (dBi)2.7 VSWR2.0 : 1 PolarizationLinear Power (Watts)1 Impedance (Ohms)50 TypePIFA Mechanical Specification Single band IEEE 802.11 b/g/n/ax standard 2GHz indoor embedded Omni-directional antenna High efficiency and quick integration with MHF compatible connector mounting Available in customized cable lengths and connectors Features Applications USB Dongle AP Router Door Bell

Report No: WD-RF-R-240054-A0 Page 1 of 51 FCC Test Report Report No: WD-RF-R-240054-A0 Product Name : Network Camera Model Name : R520 FCC ID : 2AZ3JR520 Applicant : Rhombus Systems, Inc. Received Date : Jan. 23, 2024 Tested Date : Jan. 26, 2024 ~ Apr. 18, 2024 Applicable Standard : 47 CFR FCC Part 15, Subpart C (Section 15.247) KDB 558074 D01 DTS Meas. Guidance v05 ANSI C63.10 : 2013 Wendell Industrial Co., Ltd Wendell EMC & RF Laboratory Caution: This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. The test results shown in the test report are traceable to the national/international standard through the calibration report of the equipment. Please note that the measurement uncertainty are provided for informational purpose only and are not used in determining the Pass/Fail results. This report must not be used to claim product endorsement by TAF or any agency of the government. The test report shall not be reproduced without the written approval of Wendell Industrial Co., Ltd.. Report No: WD-RF-R-240054-A0 Page 2 of 51 Test Report Issued Date: April 18, 2024 Project No.: 24Q012303 Product Name Network Camera Trade Name Model Name R520 FCC ID 2AZ3JR520 Applicant Rhombus Systems, Inc. Manufacturer VIVOTEK INC. EUT Rated Voltage PoE 42.5V ~ 57V EUT Test Voltage RSE: PoE 54V, AC Conduction: AC 120V / 60Hz EUT Supports Radios Application Bluetooth LE Applicable Standard 47 CFR FCC Part 15, Subpart C (Section 15.247) KDB 558074 D01 DTS Meas. Guidance v05 ANSI C63.10 : 2013 Output Power 10.78 dBm Test Result Complied Documented : ( Specialist / Emma Lu ) Technical Engineer : ( Section Manager / Jack Chang ) Approved : ( Project Manager / Gary Wu ) Report No: WD-RF-R-240054-A0 Page 3 of 51 Table of Contents Document Revision History ................................................................................................................. 5 Summary of Test Result ....................................................................................................................... 6 1 Generation Information .............................................................................................................. 7 1.1 Applicant .................................................................................................................................... 7 1.2 Manufacturer ............................................................................................................................. 7 1.3 Description of Equipment under Test ...................................................................................... 7 1.4 Test Mode Applicability And Tested Channel Detail .......................................................... 10 1.5 Configuration of Tested System ............................................................................................. 12 1.6 EUT Exercise Software ........................................................................................................... 13 1.7 Tested System Details .............................................................................................................. 13 1.8 Test Facility .............................................................................................................................. 14 1.9 Measurement Uncertainty ...................................................................................................... 15 1.10 List of Test Equipment ............................................................................................................ 16 2 Test Result .................................................................................................................................. 20 2.1 Antenna Requirement ............................................................................................................. 20 2.1.1 Applicable Standard .......................................................................................................... 20 2.1.2 Antenna Connected Construction ..................................................................................... 20 2.1.3 Antenna Gain .................................................................................................................... 20 2.2 Peak Output Power Measurement ......................................................................................... 21 2.2.1 Limit ................................................................................................................................. 21 2.2.2 Test Setup .......................................................................................................................... 21 2.2.3 Test Procedure................................................................................................................... 21 2.2.4 Test Result ........................................................................................................................ 21 2.3 6dB Bandwidth Measurement ................................................................................................ 22 2.3.1 Limit ................................................................................................................................. 22 2.3.2 Test Setup .......................................................................................................................... 22 2.3.3 Test Procedure................................................................................................................... 22 2.3.4 Test Result ........................................................................................................................ 23 2.4 Power Spectral Density Measurement ..................................................................................…

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Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 1 of 3 Attachment 1：EUT Test Photographs AC Conducted Emission Trade Name：rhombus Model Name：R520 Trade Name：rhombus Model Name：R520 Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 2 of 3 Radiated Emission for 30 M ~ 1 GHz Trade Name：rhombus Model Name：R520 Trade Name：rhombus Model Name：R520 Report No: WD-RF-R-240054-A0 WD-RF-R-240054-B0 Page 3 of 3 Radiated Emission for above 1 GHz Trade Name：rhombus Model Name：R520 Trade Name：rhombus Model Name：R520 --- END ---