2BCGP-D10Wireless doorbell

Indicator Light Indicator Light Volume Button Volume Button Music Button Music Button Speaker Speaker Volume button: Short press to adjust the volume of 5 in cycle Music button: Short press to cycle through 38 ringtones Volume button: Short press to adjust the volume of 5 in cycle Music button: Short press to cycle through 38 ringtones Transmitter Button Transmitter Button Replacement Battery Replacement Battery Step l: Plug the doorbell receiver (indoor unit) into the power outlet, and the host is ready. Step 2: Press the doorbell button of the transmitting button (outdoor station), and the bell of the doorbell receiver will ring under normal circumstances. Step l: Plug the doorbell receiver (indoor unit) into the power outlet, and the host is ready. Step 2: Press the doorbell button of the transmitting button (outdoor station), and the bell of the doorbell receiver will ring under normal circumstances. Quick Guide and Kind tips Quick Guide and Kind tips 1.The launch button has a built-in 23A12V battery when it leaves the factory, and the launch button and the doorbell receiver have been paired before leaving the factory and can be used directly; 2.Please do not install the launch button on an iron or steel door. Iron or steel has a strong shielding effect on wireless signals, it will cause the wireless signal between the transmitter button and the doorbell receiver to fail to transmit, resulting in abnormal function; 1.The launch button has a built-in 23A12V battery when it leaves the factory, and the launch button and the doorbell receiver have been paired before leaving the factory and can be used directly; 2.Please do not install the launch button on an iron or steel door. Iron or steel has a strong shielding effect on wireless signals, it will cause the wireless signal between the transmitter button and the doorbell receiver to fail to transmit, resulting in abnormal function; to fail to transmit, resulting in abnormal function; 3. The doorbell receiver is recommended to be more than 50cm away from the ground, which can improve the receiving strength of the wireless signal. to fail to transmit, resulting in abnormal function; 3. The doorbell receiver is recommended to be more than 50cm away from the ground, which can improve the receiving strength of the wireless signal. Installation Method Installation Method Peel off one side of the double-sided adhesive and stick it on the back shell of the waterproof cover. Tear off the other side of the double-sided adhesive, stick it on the wall or door ，and press it with appropriate strength to ensure that the paste is compliant. The transmitter is placed in the waterproof case, and the bottom of the waterproof case is fixed with screws. Peel off one side of the double-sided adhesive and stick it on the back shell of the waterproof cover. Tear off the other side of the double-sided adhesive, stick it on the wall or door ，and press it with appropriate strength to ensure that the paste is compliant. The transmitter is placed in the waterproof case, and the bottom of the waterproof case is fixed with screws. 1.Press and hold the‘Volume’button, and the fifth gear volume can be freely adjusted 2.Select one your favorite ringtone by pressing the ‘Music ’button， Press the‘Volume’button ，waiting 5-7s you will hear ‘ding’with Blue led light flashes which mean receiver mean receiver get into pairing mode. 3.Trigger the transmitter buttons to send a signal to the receiver, the music 1.Press and hold the‘Volume’button, and the fifth gear volume can be freely adjusted 2.Select one your favorite ringtone by pressing the ‘Music ’button， Press the‘Volume’button ，waiting 5-7s you will hear ‘ding’with Blue led light flashes which mean receiver mean receiver get into pairing mode. 3.Trigger the transmitter buttons to send a signal to the receiver, the music 3.Trigger the transmitter buttons to send a signal to the receiver, the music has been successfully replaced! 3.Trigger the transmitter buttons to send a signal to the receiver, the music has been successfully replaced! 【Note】 Press the transmit button, and the doorbell receiver will emit the ringtone. Doorbell set in the pairing state, short press any key or do not operate for 20 seconds to exit the pairing state: 【Clear Factory Reset】 In the plugged in state, keep holding down the 'volume' button of the doorbell receiver without releasing it, and releasing it after the doorbell 【Note】 Press the transmit button, and the doorbell receiver will emit the ringtone. Doorbell set in the pairing state, short press any key or do not operate for 20 seconds to exit the pairing state: 【Clear Factory Reset】 In the plugged in state, keep holding down the 'volume' button of the doorbell receiver without releasing it, and releasing it after the doorbell doorbell receiver without releasing it, and releasing it after the doorbell receiver turns on with a sound "Drip", indicating Clear All Launch Buttons, and the host will restore to factory settings. doorbell receiver without releasing it, and releasing it after the doorbell receiver turns on with a sound "Drip", indicating Clear All Launch Buttons, and the host will restore to factory settings. (Multiple transmit buttons paired with a doorbell receiver） (Multiple transmit buttons paired with a doorbell receiver） 1.Long Press the ‘Volume’ button ,waiting 5-7s you will hear ‘ding’ with Blue led light flashes which mean receiver mean receiver get into pairing mode. 2.Trigger the transmitter buttons to send a signal to the reiver, when your hear the ringtone which means that your operation is complated successfully. 1.Long Press the ‘Volume’ button ,waiting 5-7s you will hear ‘ding’ with Blue led light flashes which mean receiver mean receiver get into pairing mode. 2.Trigger the transmitter buttons to send a signal to the reiver, when your hear the ringtone which means that your operation is complated successfully. (One transmit button paired with multiple doorbell receivers…

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Shenzhen Jialing Intelligent Technology Co. , Ltd. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 09‐10‐2023 FCC ID: 2BCGP‐D10 Ref. #1: Attestation Statements Part 2.911(d)(5)(i) Filing Shenzhen Jialing Intelligent Technology Co. , Ltd. 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. Ref. #2: Attestation Statements Part 2.911(d)(5)(ii) Filing Shenzhen Jialing Intelligent Technology Co. , Ltd. 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. Applicant: Shenzhen Jialing Intelligent Technology Co. , Ltd. Address: 1012Xi Xiang Jie Gu Shu community hai bin Xin Cun Bi Wan Road East 1 bi Wan Building 1012, Bao’an District, Shenzhen City, China Contact Person: Rongjia Zhang Tel.: +8615989399886 Email: [email protected] Sincerely, Signature: Rongjia Zhang

Effective Date: April 2, 2020 QSF 7.6.4-8 – Agent Authorization Letter Template Page 1 of 1 Revision Date: Revision: 0 Shenzhen Jialing Intelligent Technology Co. , Ltd. Date：09-10-2023 Product Model Number: D10, D11, D12, D20, A10, Z10 FCC ID：2BCGP-D10 To whom it may concern, Re: Product Certification Representative Authorization Letter We authorize QAI Laboratories Ltd. 3980 North Fraser Way, Burnaby B.C. Canada V5J 5K5 to act on our behalf on all matters concerning the above named equipment. This shall include the following:  Testing  Approval applications and procedures We declare that ORGANIZATION. is allowed to forward all information related to the approval project to the applied certification body and to the notification entities and to discuss any issues concerning the approval application. Any and all acts carried out by ORGANIZATION. on our behalf shall have the same effect as acts of our own. By: Rangjia Zhang Contact Listed on FCC Wesbite Title: Managing director Email: [email protected] On behalf of: Shenzhen Jialing Intelligent Technology Co. , Ltd.

Antenna Spec Antenna dexcribe: Antenna plate： PCB Antenna Model name： D10 Antenna gain： 1 dBi(Max.) Frequency range(MHz)： 400-450 Connector type： direct Manufacture： Shenzhen Jialing Intelligent Technology Co, Ltd. Manufacture Address： 1012Xi Xiang Jie Gu Shu community hai bin Xin Cun Bi Wan Road East 1 bi Wan Building 1012, Bao'an District, Shenzhen City Front Back Antenna Radiation Patter 25mm 25mm 8mm 8mm Gain(dBi) Freq(MHz) Max Min Avg 400-450 1.0 -3.00815 -8.48713

Shenzhen Jialing Intelligent Technology Co. , Ltd. Declaration Letter of Model Difference Date: 09-10-2023 Tested Model Number: D10 Adding Model Number(s): D11, D12, D20, A10, Z10 All Adding Model Number(s) is/are same electrically identical as Tested Model Number. Only model name are different for market purpose. Yours Sincerely, Applicant: Shenzhen Jialing Intelligent Technology Co. , Ltd. Address: 1012Xi Xiang Jie Gu Shu community hai bin Xin Cun Bi Wan Road East 1 bi Wan Building 1012, Bao’an District, Shenzhen City Contact Person: Rongjia Zhang Tel.: +8615989399886 Email: [email protected] Sincerely, Signature:

Shenzhen Jialing Intelligent Technology Co. , Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: September 11, 2023 Subject; Request for Confidentiality FCC ID: 2BCGP-D10 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 Tune-up Procedure In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. 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: Rongjia Zhang Title: Managing director

Append ix - Extern P nal Photog M Page 1 of 7 graphs of Model: D1 Photo 1 Photo 2 EUT Cons 0 Repo structiona rt No.: LGT2 al Details 23F078 P Page 2 of 7 Photo 3 Photo 4 Repo rt No.: LGT2 23F078 P Page 3 of 7 Photo 5 Photo 6 Repo rt No.: LGT2 23F078 P Page 4 of 7 Photo 7 Photo 8 Repo rt No.: LGT2 23F078 P Page 5 of 7 Photo 9 Photo 10 Repo rt No.: LGT2 23F078 P Page 6 of 7 Photo 11 Photo 12 Repo rt No.: LGT2 23F078 P Page 7 of 7 Photo 13 Model: D1 1 Photo 14 1 Repo rt No.: LGT2 23F078

Label FCC ID: 2BCGP-D10

Append dix - Intern P nal Photog M Page 1 of 4 graphs of Model: D1 Photo 1 Photo 2 EUT Cons 0 Repo structiona rt No.: LGT2 al Details 23F078 P Page 2 of 4 Photo 3 Photo 4 Repo TX AN rt No.: LGT2 NT 23F078 P Page 3 of 4 Photo 5 Photo 6 RXANT Repo rt No.: LGT2 23F078 P Page 4 of 4 Photo 7 Photo 8 Repo rt No.: LGT2 23F078

FCC ID: 2BCGP-D10 RF EXPOSURE EVALUATION METHOD RF EXPOSURE EVALUATION METHOD- KDB 447498 D01V06 SAR Test Exclusion Thresholds for 100 MHz – 6 GHz and ≤ 50 mm Approximate SAR Test Exclusion Power Thresholds at Selected Frequencies and Test Separation Distances are illustrated in the following Table. Note: 10-g Extremity SAR Test Exclusion Power Thresholds are 2.5 times higher than the 1-g SAR Test Exclusion Thresholds indicated above. These thresholds do not apply, by extrapolation or other means, to occupational exposure limits. The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR,where f(GHz) is the RF channel transmit frequency in GHz Power and distance are rounded to the nearest mW and mm before calculation The result is rounded to one decimal place for comparison The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion. FCC ID: 2BCGP-D10 The Worst Case Mode 433.82147 MHz Detector PEAK field strength 76.46dBuV/m(-18.77dBm) Remark: The worst case gain of the antenna is 1dBi. 1dBi logarithmic terms convert to numeric result is nearly 1.259 0.4339-18.77-150.031622777 0.00423 Limit Maximum Peak Conducted Output Power (dBm) frequency (GHz) Tune up Power (dBm) Tune up Power (mW) Result Threshold at which no SAR required is 0.0042≤ 3.0 for 1-g SAR, Separation distance is 5mm.

The test report is effective only with both signature and specialized stamp. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report only apply to the tested sample. Shenzhen LGT Test Service Co., Ltd. Tel: 0755-89668180 E-mail:[email protected] Web: www.lgt-cert.com Room 205, Building 13, Zone B, Zhenxiong Industrial Park, No.177, Renmin West Road, Jinsha, Kengzi Street, Pingshan District, Shenzhen, Guangdong, China RF TEST REPORT Product Name: Wireless doorbell Model Name: D10, D11, D12, D20, A10, Z10 FCC ID: 2BCGP-D10 Issued For : Shenzhen Jialing Intelligent Technology Co, Ltd. 1012Xi Xiang Jie Gu Shu community hai bin Xin Cun Bi Wan Road East 1 bi Wan Building 1012, Bao'an District, Shenzhen City Issued By : Shenzhen LGT Test Service Co., Ltd. Room 205, Building 13, Zone B, Zhenxiong Industrial Park, No.177, Renmin West Road, Jinsha, Kengzi Street, Pingshan District, Shenzhen, Guangdong, China Report Number: LGT23F078RF02 Sample Received Date: Jun. 27, 2023 Date of Test: Jun. 27, 2023 – Aug. 09, 2023 Date of Issue: Aug. 09, 2023 Report No.: LGT23F078RF02 Page 2 of 32 TEST REPORT CERTIFICATION Applicant: Shenzhen Jialing Intelligent Technology Co, Ltd. Address: 1012Xi Xiang Jie Gu Shu community hai bin Xin Cun Bi Wan Road East 1 bi Wan Building 1012, Bao'an District, Shenzhen City Manufacture: Shenzhen Jialing Intelligent Technology Co, Ltd. Address: 1012Xi Xiang Jie Gu Shu community hai bin Xin Cun Bi Wan Road East 1 bi Wan Building 1012, Bao'an District, Shenzhen City Product Name: Wireless doorbell Trademark: WONDERFUL HOME Model Name: D10, D11, D12, D20, A10, Z10 Sample Status: Normal APPLICABLE STANDARDS STANDARD TEST RESULTS FCC Part 15.231, Subpart C ANSI C63.10-2013 PASS Prepared by: Approved by: Zane Shan Vita Li Engineer Technical Director Report No.: LGT23F078RF02 Page 3 of 32 TABLE OF CONTENTS Page 1. SUMMARY OF TEST RESULTS 6 1.1 TEST FACTORY 7 1.2 MEASUREMENT UNCERTAINTY 7 2. GENERAL INFORMATION 8 2.1 GENERAL DESCRIPTION OF THE EUT 8 2.2 DESCRIPTION OF THE TEST MODES 9 2.3 BLOCK DIAGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 9 2.4 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 10 2.5 EQUIPMENTS LIST 11 3. EMC EMISSION TEST 12 3.1 CONDUCTED EMISSION MEASUREMENT 12 3.2 TEST PROCEDURE 13 3.3 TEST SETUP 13 3.4 TEST RESULTS 13 4. RADIATED EMISSION MEASUREMENT 14 4.1 RADIATED EMISSION LIMITS 14 4.2 TEST PROCEDURE 16 4.3 DEVIATION FROM TEST STANDARD 16 4.4 TEST SETUP 17 4.5 EUT OPERATING CONDITIONS 18 4.6 TEST RESULTS 18 4.7 FIELD STRENGTH CALCULATION 19 5. BANDWIDTH TEST 24 5.1 LIMIT 24 5.2 TEST REQUIREMENTS 24 5.3 TEST PROCEDURE 24 5.4 TEST SETUP 24 5.5 EUT OPERATION CONDITIONS 24 5.6 TEST RESULTS 25 6. DUTY CYCLE 26 6.1 TEST PROCEDURE 26 6.2 TEST SETUP 26 6.3 EUT OPERATION CONDITIONS 26 6.4 TEST RESULTS 27 Report No.: LGT23F078RF02 Page 4 of 32 TABLE OF CONTENTS Page 7. AUTOMATICALLY DEACTIVATE 29 7.1 STANDARD REQUIREMENT 29 7.2 TEST PROCEDURE 29 8. ANTENNA REQUIREMENT 31 8.1 STANDARD REQUIREMENT 31 8.2 EUT ANTENNA 31 APPENDIX 1-PHOTOS OF TEST SETUP 32 Report No.: LGT23F078RF02 Page 5 of 32 Revision History Rev. Issue Date Contents 00 Aug. 09, 2023 Initial Issue Report No.: LGT23F078RF02 Page 6 of 32 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: FCC Part 15.231, Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission N/A -- 15.205(a)/15.209/ 15.231.(b) Radiated Spurious Emission PASS -- 15.231(a)(1)/ 15.231(b)(2) Transmission requirement PASS -- 15.231(C) 20 dB Bandwidth PASS -- 15.203 Antenna Requirement PASS -- NOTE: (1) ‘N/A’ denotes test is not applicable in this Test Report. (2) All tests are according to ANSI C63.10-2013. Report No.: LGT23F078RF02 Page 7 of 32 1.1 TEST FACTORY Company Name: Shenzhen LGT Test Service Co., Ltd. Address: Room 205, Building 13, Zone B, Zhenxiong Industrial Park, No.177, Renmin West Road, Jinsha, Kengzi Street, Pingshan District, Shenzhen, Guangdong, China Accreditation Certificate A2LA Certificate No.: 6727.01 FCC Registration No.: 746540 CAB ID: CN0136 1.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95 %. Parameter Uncertainty RF Output Power, Conducted ±0.71dB Unwanted Emission, Conducted ±0.63dB Conducted emission ±2.80dB All Emissions, Radiated (0.009-30MHz) ±2.16dB All Emissions, Radiated (30MHz-1GHz) ±4.40dB All Emissions, Radiated (1GHz-18GHz) ±5.49dB Note: The measurement uncertainty is not included in the test result. Report No.: LGT23F078RF02 Page 8 of 32 2. GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF THE EUT Product Name: Wireless doorbell Trademark: WONDERFUL HOME Model Name: D10 Series Model: D11, D12, D20, A10, Z10 Model Difference: Only different in model name. Frequency band: 433.82147 MHz Power Rating: Battery: 23A 12V Modulation Type: FSK Antenna Type: PCB Antenna Gain: 1dBi Hardware version: N/A Software version: N/A Connecting I/O Port(s): N/A Note: 1. For a more detailed features description, please refer to the manufacturer’s specifications orthe User Manual. 2. The antenna information refers to the manufacturer provide report, applicable only to the tested sample identified in the report. Due to the incorrect antenna information, a series of problems such as the accuracy of the test results will be borne by the customer. Report No.: LGT23F078RF02 Page 9 of 32 2.2 DESCRIPTION OF THE TEST MODES To investigate the maximum EMI emission characteristics generates from EUT, the test system was pre-scanning tested base on the consideration of following EUT operation mode or test configuration mode which possible have effect on EMI emission level. Each of these EUT operation mode(s) or test configuration mode(s) mentioned above was evaluated respectively. Pretest Mode Description Mode 1 TX Mode For Radiated E…

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S S A Set-up for Set-up for P Appendix Radiated S Radiated S Page 1 of 1 - Test Set Spurious E Spurious E tup photos Emission, B mission, A Repo s Below 1GHz Above 1GHz rt No.: LGT2 z z 23F078