2BTBK-VIGILSmart Wireless Camera

EROZ Innovative Solutions Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 [January 23, 2026] U.S. Agent Designation [EROZ Innovative Solutions] acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought FCC ID: 2BTBK-VIGIL Name and company of U.S. agent: [EROZ Innovative Solutions] Physical U.S. address of agent: [12224 Barringer St., South EI Monte, CA 91733] FRN of U.S. agent: [0037673696] Email address of U.S. agent: [[email protected]] Telephone of U.S.agent: 626-474-4566 [EROZ Innovative Solutions] acknowledges their obligation to accept service of process on behalf of [EROZ Innovative Solutions]. [EROZ Innovative Solutions] with the FRN [0037673696] accepts its obligation to maintain an agent for service of process in the United States for no less than 1 year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission- related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. Sincerely, Signature Signature [Alex Guan] [Alex Guan] [Manager] [Manager] [EROZ Innovative Solutions] [EROZ Innovative Solutions]

EROZ Innovative Solutions (January 15, 2026) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for FCC ID:2BTBK-VIGIL [EROZ Innovative Solutions] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. We also certify that, as of the date of the filing of the application, the equipment does not utilize cyber-security or anti-virus software from Kaspersky Lab, Inc, or any of its successors and assignees, which is also on the “covered list”. Sincerely, (Applicant signature) (Applicant printed name)Alex Guan EROZ Innovative Solutions (January 15, 2026) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for FCC ID:2BTBK-VIGIL [EROZ Innovative Solutions] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, (Applicant signature) (Applicant printed name)Alex Guan

EROZ Innovative Solutions Model Difference Data:January 15, 2026 Product description: Smart Wireless Camera Model name: Vigil Super WiFi Duo AX, Vigil Ultra WiFi Duo AX, Vigil Supreme WiFi Duo AX Trade Name: EROZ FCC ID: 2BTBK-VIGIL All the model are the same circuit and RF module, only for model name. Regards Sincerely Client’s signature : Client’s name / title : Alex Guan(Manager) Contact information / address:12224 Barringer St., South EI Monte, CA 91733

EROZ Innovative Solutions (January 23, 2026) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (Smart Wireless Camera / Vigil Super WiFi Duo AX, Vigil Ultra WiFi Duo AX, Vigil Supreme WiFi Duo AX / FCC ID: 2BTBK-VIGIL ) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☒ Internal Photos ☐ NOTE 1 ☒ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No required to be submitted with this application be permanently withheld from public review. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. Please contact me if there is any information you may need. Sincerely, Signature: Name: Alex Guan Title: Manager

EROZ Innovative Solutions (January 15, 2026) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (Shenzhen CTB Testing Technology Co., Ltd.) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Signature: Name: Alex Guan Title: Manager

Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 5 Model: Vigil Super WiFi Duo AX External Photos Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 5 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 3 of 5 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 4 of 5 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 5 of 5

FCC ID LABEL: Label Location: FCC ID: 2BTBK-VIGIL Model No.: Vigil Super WiFi Duo AX

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2BTBK-VIGIL 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 Modes& Channel Freq. (MHz) Tune up Produce power Maximu m peak output power (dBm) Output power to antenna (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW / cm2 ) Result 2.4G WIFI 802.11b&2 412 25±1 26 398.1072 1.9498 (2.9dBi) 0.15451 1 Pass

文件版本（FileVersion）：202201版权所有（propertyincopyright） 1 博威创新 样品承认书 PartsApprovalSheet 生产供应商：国质信 Supplier 适用项目： BM1 Type/Spec 品牌： NQI Brand 送样日期： 2023.11.24 SendoutDate 承认日期： ApproveDate 物料名称： WIFI 天线 PartsName NQI 料号 :NQI-BM1-BB70X-ASM-V0 PartsNo 客户料号： Quantity 文件编号： NQI-RD-SPEC-20231121 DocumentNo 样品版本： V0 Version SupplierCustomer ApprovedByPreparedByEngineeringDeptQualityDept 联系方式（Contact）：深圳市龙岗区平吉大道66号康利城7栋103号 Email：[email protected] Tel：+86-0755-28500656 Fax：+86-0755-28700656 文件版本（FileVersion）：202201版权所有（propertyincopyright） 2 承认书履历表 （Resume） 日期 （Date） 天线版本 （Versins） 变更原因 （Reasonsforchange） 变更内容 （Contentofchange） 备注 （Note） 2023.11.24V0首版发行 文件版本（FileVersion）：202201版权所有（propertyincopyright） 3 目录 一 . 样品及说明 ..........................................................................................4 二 . 测试设备及项目 ...............................................................................4-5 三 . 暗室（ chamber ）连接及坐标 ...................................................................5-6 四 . 天线装配方式及环境处理 ..................................................................6 五 . 天线匹配网络 ......................................................................................6 六 . 天线电性能测试数据 .......................................................................6-9 七 . 天线结构图纸 ....................................................................................10 文件版本（FileVersion）：202201版权所有（propertyincopyright） 4 一 . 样品图片及说明 （Samplepictureanddescription） ： 二 . 测试设备及项目 （Testequipmentanditems） ： 类别（Class）测试项目（Testitem）设备（Equipment） 1.Sparameter 1.回波损耗(RL) 2.驻波比（VSWR） 3.斯密斯原图（Smithchart） 网分（VNA）:AgilentE5071B R&SZVB8 ProtekA333 2.耦合测试（ Coupling testing） 1.发射功率（MAXPower） 2.接收灵敏度（MINSens） 1.2G/3GTester：Agilent8960 2.Thecouplingbox：TESCOMTC-5060A 3.3DChamber：ETS3DChamber（5x3x3） 3.3D无源测试 （PassiveTest） 1.效率（Effeciency） 2.增益（Gain） 3.辐射方向图 （R adiationpattern） 1.3DChamber：TEM243DChamber（5x5x5） ETS3DChamber（5x3x3） 2.网分（VNA）：AgilentE5071B R&S ZVB8 4.3D有源测试 （ActiveTest） 1.3D功率（TRP） 2.3D灵敏度（TIS） 3.吞吐率（Throughputrate） 1.3DChamber：TEM243DChamber（5x5x5） ETS3DChamber（5x3x3） 2.2G/3GTester:Agilent8960 3.4GTester：MT8820C/CMW500 4.WIFI/BT/NB-iotTester：CMW500 5.5GTester：SP9500-CTS 6.Head： HEAD-P10（FACE-P10） 文件版本（FileVersion）：202201版权所有（propertyincopyright） 5 三.暗室连接及坐标（Chamberconnectionandcoordinates）： 文件版本（FileVersion）：202201版权所有（propertyincopyright） 6 四 . 天线装配方式及环境处理 （Antennaassemblyandenvironmentaltreatment） ： 五.天线匹配网络：（MatchingCircuitDescription） 注：天线匹配未改动，原版匹配 六.天线电性能测试数据（Antennaelectricalperformancetestdata）： 6.1.天线无源参数 （Antennapassiveparameters） 6.1.1. 天线回波损耗 / 驻波比 （RL/VSWR） ElementValue E1(0201)NC E2(0201) 0 Ω E3(0201)NC 天线贴装于此处，线长70mm,线径1.13mm喇叭线如上图用胶带固定在后壳 文件版本（FileVersion）：202201版权所有（propertyincopyright） 7 RL VSWR 文件版本（FileVersion）：202201版权所有（propertyincopyright） 8 6.1.2.天线效率/增益/方向图 （AntennaEfficiency/Gainy/3DEtotal） FreqEffiGain (MHz)(%)(dBi) 240054.954.12 241054.453.38 242056.492.9 243053.091.57 244055.851.76 245053.951.68 246049.891.37 247050.351.23 248052.361.6 249055.462.13 250051.761.81 2400MHZ 2450MHZ 2500MHZ 文件版本（FileVersion）：202201版权所有（propertyincopyright） 9 6.2.天线有源参数 （AntennaActiveparameter） NQIANTTRP&TISparameterSummaryofBM1 BANDWIFI-B CHANNEL1611 TRP(dBm)15.1513.6813.2 TIS(dBm)-84.99-84.35-85.55 BANDWIFI-GDATARATE（54M） CHANNEL1611 TRP(dBm)13.8912.7912.05 TIS(dBm)-71.76-69.04-71.42 BANDWIFI-NDATARATE（65M） CHANNEL1611 TRP(dBm)15.3414.7814.09 TIS(dBm)-68.2-66.66-68.55 文件版本（FileVersion）：202201版权所有（propertyincopyright） 10 七 . 天线结构图纸 （Antennastructuredrawing） ：

Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 82 TEST REPORT Compiled by: Reviewed by: Approved by: Kai Chen Martin Feng 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. Test item description: Smart Wireless Camera FCC ID: 2BTBK-VIGIL Trademark(s): EROZ Model/Type reference: Vigil Super WiFi Duo AX, Vigil Ultra WiFi Duo AX, Vigil Supreme WiFi Duo AX Applicant’s name: EROZ Innovative Solutions Address: 12224 Barringer St.,South EI Monte, CA 91733 Manufacturer: Shenzhen Brovotech Technology Limited Address: 107A, Floor 1, Building 2, Zaimao Industrial Park, No. 12 Baoji Road, Xiangjiaotang Community, Bantian, Longgang District, Shenzhen Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: 1&2/F., Building A, No.26, Xinhe Road, Xinqiao, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: Dec. 02, 2025 Sample tested Date: Dec. 02, 2025 to Jan. 07, 2026 Issue Date: Jan. 07, 2026 Report No.: CTB25120206203RF01 Test Standards FCC CFR Title 47 Part 15 Subpart C Section 15.247 ANSI C63.10:2020 Test Results PASS Remark: This is WIFI-2.4GHz band radio test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB25120206203RF01 Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 82 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 .................................................................................................................................................................. 7 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 .......................................................................................... 12 6.1 Block Diagram Of Test Setup ................................................................................................................................ 12 6.2 Limit ............................................................................................................................................................................... 12 6.3 Test procedure ........................................................................................................................................................... 12 6.4 Test Result .................................................................................................................................................................. 14 7. RADIATED SPURIOUS EMISSION ........................................................................................................ 16 7.1 Block Diagram Of Test Setup ................................................................................................................................ 16 7.2 Limit ............................................................................................................................................................................... 16 7.3 Test procedure ........................................................................................................................................................... 17 7.4 Test Result .................................................................................................................................................................. 18 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS..................................................... 50 8.1 Block Diagram Of Test Setup .............................................................................................................…

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Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 2 Model: Vigil Super WiFi Duo AX Radiated Emission Below 1G Above 1G Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 2 Conducted emissions