2AUIUWDBC1AWYZE CHIME

QUICK START GUIDE Wyze Chime IN THE BOX Wyze Chime Quick Start Guide x 1 x 1 Solid blue light Successful connection Flashing blue light On connection Solid yellow light Unconnected LIGHT INDICATIONS 2 Open the Wyze app, select an installed doorbell, and in the device page, select Device Settings → Extended Devices → Add Device. Follow the instruction to finish installation. 3 Connect multiple Wyze chime devices,please repeat the steps2. Notice: 1. Wyze Chime can connect to Wyze Video Doorbell. Please refer to the Wyze Video Doorbell manual for details. SETUP 1 Setup Button 2 Status Light 3 Speaker WDBC1-KSZP01 V2.0 WDBC1-KSZP01 V2.0 叮咚器 105g无光铜 先风琴折，再对折曹佳丽 产品名 PANTONE Cool Gray 9C+CMYK 2020.04.01 V1.0 首次创建 2022.05.09 V2.0 首次创建 修改FCC和IC警示语 品牌 40×40mm 型号:WDBC1 规格:WDBC1- KSZP01 V2.0 物料编码: FCC Compliance Statements Resources & Support support.wyze.com Community forums.wyze.com NEED HELP? Scan the QR code to learn more 1 4 5 11 109 678 3 2 1 Insert Wyze Chime into an outlet. 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. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’ s ISED Compliance Statements designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment o and on, the user is encouraged to try to correct the interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit dierent from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technician for help. Caution: Changes or modifications not expressly approved by the party responsible for compliance could void the user’ s authority to operate the equipment. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body. licence-exempt RSS(s). Operation is subject to the following two conditions: (1 )This device may not cause interference. (2)This device must accept any interference, including interference that may cause undesired operation of the device. L’ émetteur/récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR d’ Innovation, Sciences et Développe- ment économique Canada applicables aux appareils radio exempts de licence. L’ exploitation est autorisée aux deux conditions suivantes: (1)L’ appareil ne doit pas produire de brouillage; (2)L’ appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’ en compromettre le fonctionnement. This equipment complies with IC RSS-102 radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body. Cet équipement est conforme aux limites d'exposition aux radiations IC CNR-102 établies pour un environnement non contrôlé. Cet équipement doit être installé et utilisé avec une distance minimale de 20cm entre le radiateur et votre corps.

Wyze Labs, Inc. TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Regarding: Confidentiality Request regarding application for FCC ID: 2AUIUWDBC1A LONG TERM CONFIDENTIALITY Pursuant to 47 CFR Section 0.459 and 0.457 of the commission’s rules, the applicant hereby request confidential treatment of the documents listed below, associated with the certification application referenced above. Schematic(s) Block Diagrams Operational Descriptions The documents above contain proprietary information not released to the public. Public disclosure of this information may prove harmful to the business of the applicant. SHORT TERM CONFIDENTIALITY Additionally, the applicant requests the following documents be held confidential until the device is marketed or 30 days from the grant date, whichever is less. If the device is marketed within aforementioned days of the Grant Date, the applicant will notify the TCB per FCC KDB 726920 D01 Confidentiality Request Procedures. External Photos Internal Photos Test Setup Photos Sincerely, Print Name: Roy Zhang Title: Certification Senior Manager Signature: On behalf of Company: Wyze Labs, Inc. Telephone: 8617600404714 E-mail: [email protected]

SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-02 Rev 1.0 Page: 1 of 3 Appendix External Photos for GZCR2201000121AT SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Page: 2 of 3 EMC-ARF-02 Rev 1.0 EUT Constructional Details (EUT Photos) SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Page: 3 of 3 EMC-ARF-02 Rev 1.0

WYZE CHIME 62368 62368 A0015 Model: WDBC1 Input: 100V-240V~0.1A 50/60Hz WYZE LABS,Inc. Made in China FCC ID: 2AUIUWDBC1A IC: 25466-WDBC1A HVIN: WDBC1A MAC: XX:XX:XX:XX:XX:XX

SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-03 Rev 1.0 Page: 1 of 4 Appendix Internal Photos for GZCR2201000121AT SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Page: 2 of 4 EMC-ARF-03 Rev 1.0 EUT Constructional Details (EUT Photos) SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Page: 3 of 4 EMC-ARF-03 Rev 1.0 Antenna SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Page: 4 of 4 EMC-ARF-03 Rev 1.0

SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-TRF-03 Rev 1.0 Report No.: GZCR220100012102 Page: 1 of 12 FCC ID: 2AUIUWDBC1A Kobe Jian EMC Laboratory Manager RF EXPOSURE EVALUATION REPORT Application No.: GZCR2201000121AT Applicant: Wyze Labs, Inc. Address of Applicant: 5808 Lake Washington Blvd NE Ste 300 Kirkland Washington 98033 United States Manufacturer: Wyze Labs, Inc. Address of Manufacturer: 5808 Lake Washington Blvd NE Ste 300 Kirkland Washington 98033 United States Equipment Under Test (EUT): EUT Name: WYZE CHIME Model No.: WDBC1 Trade Mark: WYZE Standard(s) : FCC Rules 47 CFR §2.1093 KDB 447498 D04 interim General RF Exposure Guidance v01 Date of Receipt: 2022-03-02 Date of Evaluation: 2022-03-03 to 2022-03-10 Date of Issue: 2022-05-09 Evaluation Result: Pass* * In the configuration evaluated, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Report No.: GZCR220100012102 EMC-TRF-03 Rev 1.0 Page: 2 of 12 Revision Record Version Chapter Date Modifier Remark 01 2022-05-09 Original Authorized for issue by: Curry Wu/Project Engineer Ricky Liu/Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Report No.: GZCR220100012102 EMC-TRF-03 Rev 1.0 Page: 3 of 12 2 Evaluation Summary Note: E.U.T./EUT means Equipment Under Test. Pass means the test result passed the test standard requirement, please find the detailed decision rule in the report relative section. SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Report No.: GZCR220100012102 EMC-TRF-03 Rev 1.0 Page: 4 of 12 3 Contents Page 1 Cover Page ................................................................................................................................................ 1 2 Evaluation Summary ................................................................................................................................ 3 3 Contents .................................................................................................................................................... 4 4 General Information .................................................................................................................................. 5 4.1 General Description of E.U.T. ............................................................................................................ 5 4.2 Details of E.U.T. ................................................................................................................................. 5 4.3 Separation Distance ........................................................................................................................... 5 4.4 Evaluating Location ............................................................................................................................ 6 4.5 Facility ................................................................................................................................................ 6 4.6 Deviation from Standards ................................................................................................................... 6 4.7 Abnormalities from Standard Conditions ........................................................................................... 7 5 Technical Requirements Specification ................................................................................................... 8 5.1 Blanket 1 mW Blanket Exemption ...................................................................................................... 8 5.2 MPE-based Exemption ...................................................................................................................... 8 5.3 SAR-based Exemption ....................................................................................................................... 9 6 Measurement and Calculation ............................................................................................................... 11 6.1 Maximum transmit power ................................................................................................................. 11 6.2 RF Exposure Calculation ................................................................................................................. 11 7 EUT Constructional Details (EUT Photos) ........................................................................................... 12 SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Report No.: GZCR220100012102 EMC-TRF-03 Rev 1.0 Page: 5 of 12 4 General Information 4.1 General Description of E.U.T. Product Type: Portable device Mobile device Fixed device 4.2 Details of E.U.T. Power Supply: AC 100-240V 50/60Hz 0.1A Operation Frequency: 906.6-907MHz Modulation Type: GFSK Number of Channels: 3 Antenna Type: FPC Antenna Antenna Gain: 1.5dBi 4.3 Separation Distance Minimum test separation distance: 20cm Remark: This minimum test separation distance is determined by the smallest distance from the antenna and radiating structures or outer surface of the device, according to the host form factor, exposure conditions and platform requirements, to any part of the body or extremity of a user or bystander. SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Report No.: GZCR220100012102 EMC-TRF-03 Rev 1.0 Page: 6 of 12 4.4 Evaluating Location All tests were performed at: SGS-CSTC Standards Technical Services Co., Ltd., Guangzhou Branch EMC Laboratory, 198 Kezhu Road, Scientech Park, Guangzhou Economic & Technology Development District, Guangzhou, China 510663 Tel: +86 20 82155555 Fax: +86 20 82075059 No tests were sub-contracted. 4.5 Facility The facility is recognized, certified, or accredited by the following organizations: ● NVLAP (Lab Code: 200611-0) SGS-CSTC Standards Technical Services Co., Ltd., Guangzhou EMC Laboratory is accredited by the National Voluntary Laboratory Accreditation Program (NVLAP/NIST). NVLAP Code: 200611-0. The…

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SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-TRF-01 Rev 1.0 Report No.: GZCR220100012101 Page: 1 of 44 FCC ID: 2AUIUWDBC1A Kobe Jian EMC Laboratory Manager TEST REPORT Application No.: GZCR2201000121AT Applicant: Wyze Labs, Inc. Address of Applicant: 5808 Lake Washington Blvd NE Ste 300 Kirkland Washington 98033 United States Manufacturer: Wyze Labs, Inc. Address of Manufacturer: 5808 Lake Washington Blvd NE Ste 300 Kirkland Washington 98033 United States Equipment Under Test (EUT): EUT Name: WYZE CHIME Model No.: WDBC1 Trade Mark: WYZE Standard(s) : 47 CFR Part 15, Subpart C 15.249 Date of Receipt: 2022-03-02 Date of Test: 2022-03-03 to 2022-03-10 Date of Issue: 2022-05-09 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. EMC-TRF-01 Rev 1.0 SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Report No.: GZCR220100012101 Page: 2 of 44 Revision Record Version Chapter Date Modifier Remark 01 2022-05-09 Original Authorized for issue by: Curry Wu/Project Engineer Ricky Liu/Reviewer EMC-TRF-01 Rev 1.0 SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Report No.: GZCR220100012101 Page: 3 of 44 2 Test Summary Radio Spectrum Technical Requirement Item Standard Method Requirement Result Antenna Requirement 47 CFR Part 15, Subpart C 15.249 N/A 47 CFR Part 15, Subpart C 15.203 Pass Radio Spectrum Matter Part Item Standard Method Requirement Result Conducted Emissions at AC Power Line (150kHz-30MHz) 47 CFR Part 15, Subpart C 15.249 ANSI C63.10 (2013) Section 6.2 47 CFR Part 15, Subpart C 15.207 Pass 20dB Bandwidth ANSI C63.10 (2013) Section 6.9 47 CFR Part 15, Subpart C 15.215 Pass Field Strength of the Fundamental Signal (15.249(a)) ANSI C63.10 (2013) Section 6.5&6.6 47 CFR Part 15, Subpart C 15.249(a) Pass Restricted Band Around Fundamental Frequency ANSI C63.10 (2013) Section 6.10.5 47 CFR Part 15, Subpart C 15.205 & 15.249(d) & 15.209 Pass Radiated Emissions (below 1GHz) ANSI C63.10 (2013) Section 6.4&6.5&6.6 47 CFR Part 15, Subpart C 15.209 & 15.249 (a),(d) Pass Radiated Emissions (above 1GHz) ANSI C63.10 (2013) Section 6.4&6.5&6.6 47 CFR Part 15, Subpart C 15.209 & 15.249 (a),(d) Pass Note: E.U.T./EUT means Equipment Under Test. Pass means the test result passed the test standard requirement, please find the detailed decision rule in the report relative section. EMC-TRF-01 Rev 1.0 SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Report No.: GZCR220100012101 Page: 4 of 44 3 Contents Page 1 Cover Page ................................................................................................................................................ 1 2 Test Summary ........................................................................................................................................... 3 3 Contents .................................................................................................................................................... 4 4 General Information .................................................................................................................................. 6 4.1 Details of E.U.T. ................................................................................................................................. 6 4.2 Description of Support Units .............................................................................................................. 6 4.3 Measurement Uncertainty .................................................................................................................. 7 4.4 Test Location ...................................................................................................................................... 8 4.5 Test Facility ........................................................................................................................................ 8 4.6 Deviation from Standards ................................................................................................................... 9 4.7 Abnormalities from Standard Conditions ........................................................................................... 9 5 Equipment List ........................................................................................................................................ 10 6 Radio Spectrum Technical Requirement ............................................................................................. 12 6.1 Antenna Requirement ...................................................................................................................... 12 6.1.1 Test Requirement: ....................................................................................................................... 12 6.1.2 Conclusion ................................................................................................................................... 12 7 Radio Spectrum Matter Test Results .................................................................................................... 13 7.1 Conducted Emissions at AC Power Line (150kHz-30MHz) ............................................................. 13 7.1.1 E.U.T. Operation .......................................................................................................................... 13 7.1.2 Test Mode Description ................................................................................................................. 13 7.1.3 Test Setup Diagram ..................................................................................................................... 13 7.1.4 Measurement Procedure and Data............................................................................................. 14 7.2 20dB Bandwidth ............................................................................................................................... 17 7.2.1 E.U.T. Operation ..................................…

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SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch EMC-ARF-04 Rev 1.0 Page: 1 of 3 Appendix Test Setup Photo for GZCR2201000121AT SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Page: 2 of 3 EMC-ARF-04 Rev 1.0 Test Setup Photo Conducted Emissions at AC Power Line (150kHz-30MHz) Radiated Emissions (below 1GHz) SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch Page: 3 of 3 EMC-ARF-04 Rev 1.0 Radiated Emissions (above 1GHz) RF Conducted