Q2I2023D1Wireless Door Chime

Receiver unit Item No.: D1-612P The bell push can be mounted on door frame. The chime can be put on table or put to the strip. Installation Fig. 6 Features: Self-learning function avoid interference 150m operating range in the open air Receiver is with 3 x AA 1.5V batteries (not supply) 4 level volume control Bell Push uses 3 x AAA 1.5V Battery 32 high quality sounds 6. 5. 4. 3. 2. 1. Fig. 4 Transmitter unit Fig. 1 Fig. 2 Fig. 3 Flash LED Music Selection/Pairing Button Music Replay Fig. 5 3x1.5V AAA Batteries How to Pairing: The bell push button and receiver have been pairing during the packaging. If your doorbell is not working well. You can follow up below 3 steps to reset the product. 1. Clear the pairing codes inside the receiver. Firstly, press /hold the "melody selection button", then install the final battery into the battery compartment, hold to press the button for about 8 seconds, you will see the receiver's LED flashing, then release the button, the codes are all removed from the internal memory. 2. Pairing the bell push button and receiver again. Press/hold the "melody selection button" on the receiver about 4 seconds, and release the button until you hear "Ding-Ding" sound, then press the bell push button, now you will hear the receiver play "Ding" sound, you can wait for another "Ding-Ding" sound or press the "melody selection bell push button" directly to exit the paring mode. 3.Press the bell push button and test if pairing is completed, then enjoy the use of our product again. 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. Warning: Any changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment 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 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 off 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 different from that to which the receiver is connected. —Consult the dealer or an experienced radio/TV technician for help. RF Exposure The equipment has been evaluated to meet general RF exposure requirement. The device can be used in portable condition without restriction.

1/1 US Agent for Service of Process LETTER OF ATTESTATION TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 US Agent for Service of Process: Company Name: Jasco Products, LLC FRN: 0017309360 Contact Name: Mark Simpkins Address: 10 E Memorial Rd Office Telephone No: 405-302-2370 Email: [email protected] Applicant: Company name: FOSHAN SHUNDE ADVANTE ELECTRON LTD. Product Description: Wireless Door Chime Grantee code: Q2I FCC ID: Q2I2023D1 Contact Name: Steven Zou Address: North Second XinXi Road, LunJiao Industrial Avenue, LunJiao, Shunde, Foshan, Guangdong, China Telephone No: 86-757-29995218-333 Email: [email protected] [FOSHAN SHUNDE ADVANTE ELECTRON LTD.] certifies that, as of the date of this filing of the application with the TCB, [Jasco Products, LLC] is our designated US agent for service of process for the above referenced FCC ID. [FOSHAN SHUNDE ADVANTE ELECTRON LTD.] accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any commission related proceeding involving equipment. [Jasco Products, LLC] accepts, as of the date of the filing of the application, the obligation of the designated US agent for service of process for the above reference FCC ID. The US Agent for Service of Process is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. The Applicant is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. Date: 2023/07/06 Applicant’s Name: Steven Zou US Agent’s Name: Mark Simpkins Title: Technical Manager Title: Signature Signature

C5266091_X24_Ed.2 1/1 “Attestation Statements” TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 The Commission adopted rules that prohibit equipment authorization for “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List 1 , which is periodically updated. See the Covered List for more details. This Attestation Statement is to confirm that we follow the Section 2.911(d)(5)(i)-(ii) Applicant Company name: FOSHAN SHUNDE ADVANTE ELECTRON LTD. Grantee code: Q2I FCC ID: Q2I2023D1 Contact Name: Steven Zou Address: North Second XinXi Road, LunJiao Industrial Avenue, LunJiao, Shunde, Foshan, Guangdong, China Telephone No: 86-757-29995218-333 Fax No: 86-757-25663105 Email: [email protected] i. [FOSHAN SHUNDE ADVANTE ELECTRON LTD. ] (“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. The applicant must sign this certification. ii. [FOSHAN SHUNDE ADVANTE ELECTRON LTD. ] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant [is not] (as a specifically named entity or any of its subsidiaries or affiliates) identified on the Covered List as an entity producing “covered” equipment. The applicant must sign this certification. [FOSHAN SHUNDE ADVANTE ELECTRON LTD. ] (“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. Date: 2023-06-14 Applicant’s Name: Steven Zou Title: Technical Manager Signature 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

FOSHAN SHUNDE ADVANTE ELECTRON LTD. North Second XinXi Road, LunJiao Industrial Avenue, LunJiao, Shunde, Foshan, Guangdong, China Declaration letter Dear Sir, We, _FOSHAN SHUNDE ADVANTE ELECTRON LTD._declare product: _ Wireless Door Chime with the model numbers D1, D2, 612P, DES6572WB/37, 57338, there is no electrical change has been made to the equipment that alters the compliance characteristics. These models are the same except for model number. Please kindly handle on the project. FCC ID: Q2I2023D1 Thank you! Sincerely, Signature Steven Zou Technical Manager FOSHAN SHUNDE ADVANTE ELECTRON LTD.

C5266091_X8_Ed.1 1/1 Letter of Authorization Company: FOSHAN SHUNDE ADVANTE ELECTRON LTD. Address: North Second XinXi Road, LunJiao Industrial Avenue, LunJiao, Shunde, Foshan, Guangdong, China Product Name: Wireless Door Chime Model Number: D1, D2, 612P, DES6572WB/37, 57338 FCC Identifier: Q2I2023D1 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Steven Zou Date: 06/14/2023 Title: Technical Manager Signature of applicant:

C5266091_X10_Ed.1 1/1 FOSHAN SHUNDE ADVANTE ELECTRON LTD. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 06/14/2023 Subject: Request for Confidentiality FCC ID: Q2I2023D1 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality 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 Internal Photos Parts List / Tune Up RF Exposure Info Operational Description Cover Letter(s) No No SDR Software / Security Info No 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. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Steven Zou Title: Technical Manager

FCC ID: 2A73O-FFP02 External photos FCC ID: Q212023D1 FCC ID: Q212023D1

Label & Label Location

FCC ID: Q212023D1 Internal photos FCC ID: Q212023D1 FCC ID: Q212023D1 RF Antenna RF Chip

Report No.: NTC2306006F01 Dongguan Nore Testing Center Co., Ltd. Address: Building D, Gaosheng Science and Technology park, Hongtu road, Nancheng district, Dongguan city, Guangdong province, China Web: www.ntc-c.com Tel:+86-769-2202 2444 Fax:+86-769-2202 2799 Page 1 of 10 RF EVALUATION TEST REPORT Applicant.......................... : FOSHAN SHUNDE ADVANTE ELECTRON LTD. Address........................... : North Second XinXi Road, LunJiao Industrial Avenue, LunJiao, Shunde, Foshan, Guangdong, China Manufacturer.................... : FOSHAN SHUNDE ADVANTE ELECTRON LTD. Address........................... : North Second XinXi Road, LunJiao Industrial Avenue, LunJiao, Shunde, Foshan, Guangdong, China Factory........................... : FOSHAN SHUNDE ADVANTE ELECTRON LTD. Address.......................... : North Second XinXi Road, LunJiao Industrial Avenue, LunJiao, Shunde, Foshan, Guangdong, China Product Name................... : Wireless Door Chime Brand Name..................... : N/A Model No. ....................... : D1, D2, 612P, DES6572WB/37, 57338 (For model difference refer to section 2) FCC ID........................... : Q212023D1 Measurement Standard....... : 47 CFR PART 2, Section 2.1093 Receipt Date of Samples.... : June 01, 2023 Date of Tested.................. : June 03, 2023 to June 08, 2023 Date of Report.................. : June 20, 2023 This report shows that above equipment is technically compliant with the requirements of the standards above. All test results in this report apply only to the tested sample(s). Without prior written approval of Dongguan Nore Testing Center Co., Ltd, this report shall not be reproduced except in full. Prepared by Julie Xiao / Project Engineer Approved by Iori Fan / Authorized Signatory Report No.: NTC2306006F01 Page 2 of 10 Table of Contents 1. General Description of EUT ................................................................................................................................ 4 2. Test Facility and Location ................................................................................................................................... 6 3. Applicable Standards and References ................................................................................................................ 7 4. Maximum Permissible Exposure Limit ................................................................................................................ 8 5. RF Exposure Evaluation Results ...................................................................................................................... 10 Report No.: NTC2306006F01 Page 3 of 10 Revision History Report Number Description Issued Date NTC2306006F01 Initial Issue 2023-06-20 Report No.: NTC2306006F01 Page 4 of 10 1. General Description of EUT Product Information Product name: Wireless Door Chime Main Model Name: D1 Additional Model Name: D2, 612P, DES6572WB/37, 57338 Model Difference: These models have the same circuit schematic, construction, PCB Layout and critical components. The difference is model number only due to trading purpose. S/N: 2306-2716 Brand Name: N/A Hardware version: Not stated Software version: Not stated Rating: DC 4.5V from 1.5VAAA battery* 3 Typical arrangement: Table-top I/O Port: N/A Accessories Information Adapter: N/A Cable: N/A Other: N/A Additional Information Note: According to these model differences, all tests were performed on model D1 according to the manufacturer requirement. Remark: All the information above are provided by the manufacturer. More detailed feature of the EUT please refers to the user manual. Report No.: NTC2306006F01 Page 5 of 10 Technical Specification Declaring the Frequency: 433.92MHz Modulation Type: ASK Antenna Type: Integral antenna Antenna Gain: 0 dBi (Declared by manufacturer) Number of Channels: 1 Report No.: NTC2306006F01 Page 6 of 10 2. Test Facility and Location Test Site : Dongguan Nore Testing Center Co., Ltd. (Dongguan NTC Co., Ltd.) Accreditations and Authorizations : The Laboratory has been assessed and proved to be in compliance with CNAS/CL01 Listed by CNAS, August 13, 2018 The Certificate Registration Number is L5795. The Certificate is valid until August 13, 2024 The Laboratory has been assessed and proved to be in compliance with ISO17025 Listed by A2LA, November 01, 2017 The Certificate Registration Number is 4429.01 Listed by FCC, November 06, 2017 Test Firm Registration Number: 907417 Listed by Industry Canada, June 08, 2017 The Certificate Registration Number. Is 46405-9743A Test Site Location : Building D, Gaosheng Science and Technology Park, Hongtu Road, Nancheng District, Dongguan City, Guangdong Province, China Report No.: NTC2306006F01 Page 7 of 10 3. Applicable Standards and References According to the specifications of the manufacturer, the EUT must comply with the requirements of the following standards: Test Standards: 47 CFR Part 1, 1.1307 47 CFR Part 2, 2.1093 KDB 447498 D04 v01 Report No.: NTC2306006F01 Page 8 of 10 4. Maximum Permissible Exposure Limit According to 47 CFR Part 1, 1.1307, for single RF sources (i.e., any single fixed RF source, mobile device, or portable device, as defined in paragraph (b)(2) of this section): A single RF source is exempt if: 47 CFR Part 1, 1.1307 (A) The available maximum time- averaged power is no more than 1 mW, regardless of separation distance. This exemption may not be used in conjunction with other exemption criteria other than those in paragraph (b)(3)(ii)(A) of this section. Medical implant devices may only use this exemption and that in paragraph (b)(3)(ii)(A); (B) Or the available maximum time- averaged power or effective radiated power (ERP), whichever is greater, is less than or equal to the threshold P th (mW) described in the following formula. This method shall only be used at separation distances (cm) from 0.5 centimeters to 40 centimeters and at frequencies from 0.3 GHz to 6 GHz (inclusive). P th is given by: Where, And, d = t…

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FOSHAN JIAN QIANG ELECTRONIC & ELECTRICAL CO LTD. 产品承认书 SPECIFICATION FOR APPROVAL 产品名称/Model name： 433MHZ天线 产品型号/Model number： 1007 22# 版 次/Version： V1.0 日 期/Date： 2019-03-02 1、产品概述/ Product Information 1.1、外观图示/Appearance diagram： 1.2、产品参数/Product specification： 2、天线尺寸/Antenna Size： 产品测试参数表/Product specification 产品名称 Model name 433MHZ天线 产品型号 Model number 1007 22# 电性参数/ Electrical parameter 频率范围/ Frequency Range 433.92±0.5MHz 导体阻抗/ Resistance ≤60.1Ω/km 尺寸/Size 100±2mm 最小绝缘厚度/ Insulation thickness 0.3mm min 增益/Gain 0dBi 工作温度/ Temperature range -20°C - ＋70°C 平均绝缘厚度/ thickness 0.46mm 天线材料/ Antenna material 铜 RF功率/ RF Output Power ＜0.5mW 100±2mm 3.2±0.5mm Insulation layer Conductor Insulation diameter Conductor thickness

Report No.: NTC2306006FV00 Dongguan Nore Testing Center Co., Ltd. Address: Building D, Gaosheng Science and Technology park, Hongtu road, Nancheng district, Dongguan city, Guangdong province, China Web: www.ntc-c.com Tel:+86-769-2202 2444 Fax:+86-769-2202 2799 Page 1 of 29 FCC RADIO TEST REPORT Applicant............................ : FOSHAN SHUNDE ADVANTE ELECTRON LTD. Address............................. : North Second XinXi Road, LunJiao Industrial Avenue, LunJiao, Shunde, Foshan, Guangdong, China Manufacturer....................... : FOSHAN SHUNDE ADVANTE ELECTRON LTD. Address.............................. : North Second XinXi Road, LunJiao Industrial Avenue, LunJiao, Shunde, Foshan, Guangdong, China Factory ............................ : FOSHAN SHUNDE ADVANTE ELECTRON LTD. Address ............................. : North Second XinXi Road, LunJiao Industrial Avenue, LunJiao, Shunde, Foshan, Guangdong, China Product Name..................... : Wireless Door Chime Brand Name....................... : N/A Model No. .......................... : D1, D2, 612P, DES6572WB/37, 57338 (For model difference refer to section 2) FCC ID ............................... : Q212023D1 Measurement Standard.......... : 47 CFR FCC Part 15, Subpart C (Section 15.231) Receipt Date of Samples....... : June 01, 2023 Date of Tested..................... : June 03, 2023 to June 08, 2023 Date of Report..................... : June 20, 2023 This report shows that above equipment is technically compliant with the requirements of the standards above. All test results in this report apply only to the tested sample(s). Without prior written approval of Dongguan Nore Testing Center Co., Ltd, this report shall not be reproduced except in full. Prepared by Julie Xiao / Project Engineer Approved by Iori Fan / Authorized Signatory Report No.: NTC2306006FV00 Page 2 of 29 Table of Contents 1. Summary of Test Result ...................................................................................................................................... 4 2. General Description of EUT ................................................................................................................................ 5 3. Test Channels and Modes Detail ........................................................................................................................ 7 4. Configuration of EUT ........................................................................................................................................... 7 5. Modification of EUT ............................................................................................................................................. 7 6. Description of Support Device ............................................................................................................................. 7 7. Test Facility and Location ................................................................................................................................... 8 8. Applicable Standards and References ................................................................................................................ 9 9. Deviations and Abnormalities from Standard Conditions ................................................................................... 9 10. Test Conditions ................................................................................................................................................. 9 11. Measurement Uncertainty ............................................................................................................................... 10 12. Sample Calculations ....................................................................................................................................... 11 13. Duty Cycle ....................................................................................................................................................... 12 14. Test Items and Results ................................................................................................................................... 13 14.1 Conducted Emissions Measurement ............................................................................................................ 13 14.2 Radiated Spurious Emissions Measurement ................................................................................................ 15 14.3 20dB Occupied Bandwidth ............................................................................................................................ 24 14.4 Transmission time ......................................................................................................................................... 26 14.5 Antenna Requirement ................................................................................................................................... 28 15. Test Equipment List......................................................................................................................................... 29 Report No.: NTC2306006FV00 Page 3 of 29 Revision History Report Number Description Issued Date NTC2306006FV00 Initial Issue 2023-06-20 Report No.: NTC2306006FV00 Page 4 of 29 1. Summary of Test Result FCC Rules Description of Test Result Remarks §15.207 (a) AC Power Line Conducted Emission N/A see note --- §15.231(b) & 15.209 Radiated Spurious Emission PASS --- §15.231(c) 20 dB Occupied bandwidth PASS --- §15.231(a) Transmission time PASS --- §15.203 Antenna Requirement PASS --- Note: AC Power Conducted Emission is not applicable due to the EUT only can be powered by battery. Report No.: NTC2306006FV00 Page 5 of 29 2. General Description of EUT Product Information Product Name: Wireless Door Chime Main Model Name: D1 Additional Model Name: D2, 612P, DES6572WB/37, 57338 Model Difference: These models have the same circuit schematic, construction, PCB Layout and critical components. The difference is model number…

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FCC ID: Q212023D1 Test Photo Radiated emission (Below 30MHz) Radiated emission (30-1000MHz) FCC ID: Q212023D1 Radiated emission (Above 1000MHz)