2BDVW-MGKG100US switch

Relay10A VoltageAC 110~240V 50/60Hz Current 10A/Gang Type-C Output5V 1A ( No Neutral No function ) Work temperature0° C~40° C Wireless frequency2.4GHz Material V0 flame retardant PC + ABS UK/EU Size8.6*8.6*3.88cm US Size12*7.2*3.84cm 3. Long press any button, wait for the indicator light to flash quickly, and then release your hand. 4. Search the switch signal, click to done. MG-SMS102 Support 2.4GHz Wi-Fi Simplified steps to install App on your smart phone or tablet on Apple / Google Play Store. Works with Amazon Alexa , Google Home. For indoor use only. Type-C is slightly hot in charging , and the temperature is about 55° C. It is normal and does not need to worry. Lamp Neutral Wire Lamp Live Wire This manual is a universal version. Please find the corresponding parameters, network methods and usage methods according to the products you purchased. US: No Neutral Wiring Diagram Lamp Neutral Wire Lamp Live Wire US: Have Neutral Wiring Diagram US switch 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. Any Changes or modifications 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. -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 & your body.

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: UGK-LVMUNITEDINC FRN: 0033476375 Contact Name: Jimmychen Address: 6547NAcademyBlvd#2266,ColoradoSprings,CO80918 Telephone No: 001-323-51 04660 Email: [email protected] Applicant: Company name: Shenzhen Taimeng Technology Co., Ltd. Grantee code: 2BDVW FCC ID: 2BDVW-MGKG100 FRN: 0034562835 Contact Name: Tony tan Address: 227, 2nd Floor, Guobaoanfang Building, Pinghu Street, Longgang District, Shenzhen Telephone: 15717026117 Fax: 15717026117 E-mail: [email protected] [Shenzhen Taimeng Technology Co., Ltd.] certifies that, as of the date of this filing of the application with the TCB, [UGK-LVMUNITEDINC] is our designated US agent for service of process for the above referenced FCC ID. [Shenzhen Taimeng Technology Co., 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. [UGK-LVMUNITEDINC] 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: 2024/04/15 Applicant’s Name: Tony tan US Agent’s Name: Jimmychen Title: Manager Title: Manager 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: Shenzhen Taimeng Technology Co., Ltd. Grantee code: 2BDVW FCC ID: 2BDVW-MGKG100 FRN: 0034562835 Contact Name: Tony tan Address: 227, 2nd Floor, Guobaoanfang Building, Pinghu Street, Longgang District, Shenzhen Telephone: 15717026117 Fax: 15717026117 E-mail: [email protected] i. [Shenzhen Taimeng Technology Co., 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. [Shenzhen Taimeng Technology Co., 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. [Shenzhen Taimeng Technology Co., 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: 2024/04/15 Applicant’s Name: Tony tan Title: 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

Shenzhen Taimeng Technology Co., Ltd. Product Similarity Declaration Company: Shenzhen Taimeng Technology Co., Ltd. Address: 227, 2nd Floor, Guobaoanfang Building, Pinghu Street, Longgang District, Shenzhen Product Name: US switch Model Number: MG-KG100 MG-KG101, MG-KG102, MG-KG103, MG-KG104, MG-KG105, MG-KG106, MG-KG107, MG- KG108, MG-KG109, MG-KG110, MG-KG111, MG-KG112, MG-KG113, MG-KG114, MG-KG115, MG-KG116, MG-KG117, MG-KG118, MG-KG119, MG-KG120 FCC Identifier: 2BDVW-MGKG100 We (Shenzhen Taimeng Technology Co., Ltd.) hereby state that all the models are electrical identical including the same software parameter and hardware design (i.e., circuit design, PCB Layout, RF module/circuit, antenna type(s) and antenna location, components on PCB, etc.,), same mechanical structure and design (including product enclosure, materials, etc.,), the only difference is the model name and appearance color. Client’s signature Name: Tony tan Date: 2024-04-15 Title: Manager Signature of applicant:

Shenzhen Taimeng Technology Co., Ltd. 1/1 Letter of Authorization Company: Shenzhen Taimeng Technology Co., Ltd. Address: 227, 2nd Floor, Guobaoanfang Building, Pinghu Street, Longgang District, Shenzhen Product Name: US switch Model Number: MG-KG100 MG-KG101, MG-KG102, MG-KG103, MG-KG104, MG-KG105, MG-KG106, MG-KG107, MG-KG108, MG-KG109, MG-KG110, MG-KG111, MG-KG112, MG-KG113, MG-KG114, MG-KG115, MG-KG116, MG-KG117, MG-KG118, MG-KG119, MG-KG120 FCC Identifier: 2BDVW-MGKG100 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: Tony tan Date: 2024-04-15 Title: Manager Signature of applicant:

Shenzhen Taimeng Technology Co., Ltd. 1/1 Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2024-04-15 Subject: Request for Confidentiality FCC ID: 2BDVW-MGKG100 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 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 No ☐ Internal Photos No ☐ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. 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, Name: Tony tan Date: 2024-04-15 Title: Manager Signature of applicant:

Shenzhen DL Testing Technology Co., Ltd. EUT PHOTO(External Photos) Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. ※※※※※ END OF REPORT ※※※※※

Size: 16*12mm M/N: MG-KG100 FCC ID: 2BDVW-MGKG100 Label location

Shenzhen DL Testing Technology Co., Ltd. EUT PHOTO(Internal Photos) Shenzhen DL Testing Technology Co., Ltd. WIFI ANT 433 RX ANT Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. ※※※※※ END OF REPORT ※※※※※

FCC ID: 2BDVW-MGKG100 RF Exposure Evaluation Limits The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in KDB 447498 D01 V06 and 1.1307(b) Limits for Maximum Permissible Exposure (MPE) Frequency range (MHz) Electric field strength (V/m) Magnetic field strength (A/m) Power density (mW/cm 2 ) Averaging time (minutes) (A) Limits for Occupational/Controlled Exposures 0.3–3.0 614 1.63 *(100) 6 3.0–30 1842/f 4.89/f *(900/f 2 ) 6 30–300 61.4 0.163 1.0 6 300–1500 f/300 6 1500–100,000 5 6 (B) Limits for General Population/Uncontrolled Exposure 0.3–1.34 614 1.63 *(100) 30 1.34–30 824/f 2.19/f *(180/f 2 ) 30 30–300 27.5 0.073 0.2 30 300–1500 f/1500 30 1500–100,000 1.0 30 f = frequency in MHz Friis transmission formula: Pd = (Pout*G)/(4*pi*r 2 ) Where Pd = power density in mW/cm 2 , Pout = output power to antenna in mW; G = gain of antenna in linear scale, Pi = 3.1416; R = distance between observation point and center of the radiator in cm Pd id the limit of MPE, 1 mW/cm 2 . If we know the maximum gain of the antenna and the total power input to the antenna, through the calculation, we will know the distance r where the MPE limit is reached. Test Procedure Software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. Test Result of RF Exposure Evaluation wifi 2.4G mode Channel Output power to antenna (dBm) Output power to antenna (mW) Power Density at R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result 802.11b 16.676 46.5157 0.01269 1.0 PASS 802.11g 13.428 22.0191 0.00601 1.0 PASS 802.11n HT20 14.402 27.5550 0.00752 1.0 PASS 802.11n HT40 13.598 22.8981 0.00624 1.0 PASS Remark: antenna gain=1.37dBi

1 Antenna Specification Manufacture：TUYA Product Name：CB3S Antenna Antenna Type：PCB Test Date：2021.04.16 Tested by：Jianwei Wang Approved by：Licco Antenna Test Report 2 Content 1.General Description ................................................................................. 3 2.Test Configurations .................................................................................. 4 2.1 Test Environment ............................................................................ 4 2.2 Test Equipment ............................................................................... 4 2.3 Test Principle .................................................................................. 4 3.Test Results .............................................................................................. 5 3.1 Gain and Efficiency ........................................................................ 5 3.2 Radiation Pattern ............................................................................. 6 4.Antenna Dimensions ................................................................................ 9 5.EUT Photo ............................................................................................... 9 6.Test Setup Photo .................................................................................... 10 3 1.General Description Manufacturer Hangzhou Tuya Information Technology Co.,Ltd Address Room 701,Building 3,More Center,No.87 GuDun Road, Hangzhou, Zhejiang,China Test Location Room 106, Building 3, Letong Science Park, No. 500, Qiuyi Road, Binjiang District, Hangzhou Product Name CB3S Antenna Product model CB3S Antenna Type PCB Antenna Test Items Gain; Efficiency; Radiation Pattern Test Frequency 2400-2500MHz Test Standard ANSI/IEEE Std 149-1979 4 2.Test Configurations 2.1 Test Environment Temperature (°C) 25 Humidity (%RH) 60 Atmospheric Pressure (kPa) 100.5 2.2 Test Equipment Test System TEM 24 Multi-probe Microwave Chamber Test Instrument Agilent E5071B 2.3 Test Principle 5 3.Test Results 3.1 Gain and Efficiency Frequency (MHz) Peak Gain (dBi) Efficiency (%) 2400 0.46 44.36 2410 0.71 45.71 2420 0.92 45.92 2430 0.91 45.6 2440 0.95 45.6 2450 0.93 45.29 2460 1.27 46.45 2470 1.37 46.88 2480 1.25 47.21 2490 1.24 46.67 2500 1.05 44.87 6 3.2 Radiation Pattern Phi 0 7 Phi 90 8 Theta 90 9 4.Antenna Dimensions 5.EUT Photo 10 6.Test Setup Photo

Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20240402051E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 1 of 45 FCC Part 15C Test Report FCC ID: 2BDVW-MGKG100 Applicant: Shenzhen Taimeng Technology Co., Ltd. Address: 227, 2nd Floor, Guobaoanfang Building, Pinghu Street, Longgang District, Shenzhen Manufacturer: Shenzhen Taimeng Technology Co., Ltd. Address: 227, 2nd Floor, Guobaoanfang Building, Pinghu Street, Longgang District, Shenzhen EUT: US switch Trade Mark: N/A Model Number: MG-KG100 MG-KG101, MG-KG102, MG-KG103, MG-KG104, MG-KG105, MG-KG106, MG-KG107, MG-KG108, MG-KG109, MG-KG110, MG-KG111, MG-KG112, MG-KG113, MG-KG114, MG-KG115, MG-KG116, MG-KG117, MG-KG118, MG-KG119, MG-KG120 Date of Receipt: Apr. 02, 2024 Test Date: Apr. 02, 2024 - Apr. 12, 2024 Date of Report: Apr. 12, 2024 Prepared By: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Building C, Shuanghuan, No.8, Baoqing Road, Baolong Industrial Zone, Baolong Street, Longgang District, Shenzhen, Guangdong, China Applicable Standards: FCC PART 15 C 15.247 ANSI C63.10:2013 Test Result: Pass Report Number: DL-20240402051E Prepared (Test Engineer): Alisa Song Reviewer (Supervisor): Jack Bu Approved (Manager): Jade Yang This test report is based on a single evaluation of one sample of above mentioned products. It is not permitted to be duplicated in extracts without written approval of Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20240402051E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 2 of 45 Table of Contents Page 1 . SUMMARY OF TEST RESULTS 4 1.1 MEASUREMENT UNCERTAINTY 4 2 . GENERAL INFORMATION 5 2.1 GENERAL DESCRIPTION OF EUT 5 2.2 DESCRIPTION OF TEST MODES 6 2.3 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 6 2.4 DESCRIPTION OF SUPPORT UNITS(CONDUCTED MODE) 7 2.5 TABLE OF PARAMETERS OF TEST SOFTWARE SETTING 7 2.6 EQUIPMENTS LIST FOR ALL TEST ITEMS 8 3 . EMC EMISSION TEST 9 3.1 CONDUCTED EMISSION MEASUREMENT 9 3.1.1 POWER LINE CONDUCTED EMISSION LIMITS 9 3.1.2 TEST PROCEDURE 9 3.1.3 DEVIATION FROM TEST STANDARD 9 3.1.4 TEST SETUP 10 3.1.5 EUT OPERATING CONDITIONS 10 3.1.6 TEST RESULTS 10 3.2 RADIATED EMISSION MEASUREMENT 13 3.2.1 RADIATED EMISSION LIMITS 13 3.2.2 TEST PROCEDURE 14 3.2.3 DEVIATION FROM TEST STANDARD 14 3.2.4 TEST SETUP 14 3.2.5 EUT OPERATING CONDITIONS 15 3.2.6 TEST RESULTS (BETWEEN 9KHZ – 30 MHZ) 16 3.2.7 TEST RESULTS (BETWEEN 30MHZ – 1GHZ) 17 3.2.8 TEST RESULTS (1GHZ~25GHZ) 19 3.3 RADIATED BAND EMISSION MEASUREMENT 23 3.3.1 TEST REQUIREMENT: 23 3.3.2 TEST PROCEDURE 23 3.3.3 DEVIATION FROM TEST STANDARD 23 3.3.4 TEST SETUP 24 3.3.5 EUT OPERATING CONDITIONS 24 3.4 CONDUCTED BAND EDGE EMISSION&CONDUCTED SPURIOUS EMISSIONS MEASUREMENT 29 3.4.1 APPLICABLE STANDARD 29 3.4.2 TEST PROCEDURE 29 3.4.3 DEVIATION FROM STANDARD 29 3.4.4 TEST SETUP 29 Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20240402051E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 3 of 45 Table of Contents Page 3.4.5 EUT OPERATION CONDITIONS 29 3.4.6 TEST RESULTS 29 4 . AVERAGE OUTPUT POWER 33 4.1 APPLIED PROCEDURES / LIMIT 33 4.1.1 TEST PROCEDURE 33 4.1.2 DEVIATION FROM STANDARD 33 4.1.3 TEST SETUP 33 4.1.4 EUT OPERATION CONDITIONS 33 4.1.5 TEST RESULTS 34 5 . POWER SPECTRAL DENSITY TEST 37 5.1 APPLIED PROCEDURES / LIMIT 37 5.1.1 TEST PROCEDURE 37 5.1.2 DEVIATION FROM STANDARD 37 5.1.3 TEST SETUP 37 5.1.4 EUT OPERATION CONDITIONS 37 5.1.5 TEST RESULTS 38 6 . 6DB BANDWIDTH TEST 41 6.1 APPLIED PROCEDURES / LIMIT 41 6.1.1 TEST PROCEDURE 41 6.1.2 DEVIATION FROM STANDARD 41 6.1.3 TEST SETUP 41 6.1.4 EUT OPERATION CONDITIONS 41 6.1.5 TEST RESULTS 42 7 . ANTENNA REQUIREMENT 45 7.1 STANDARD REQUIREMENT 45 7.2 EUT ANTENNA 45 8 . TEST SEUUP PHOTO 45 9 . EUT PHOTO 45 Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20240402051E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 4 of 45 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: FCC Part15 (15.247) , Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission PASS 15.205, 15.209, 15.247(d) Radiated Spurious Emission PASS 15.205, 15.247(d) Band Edge Emission& Conducted Spurious Emissions PASS 15.247(b) Average Output Power PASS 15.247(a)(2) 6dB Bandwidth PASS 15.247(e) Power Spectral Density PASS 15.203 Antenna Requirement PASS NOTE: (1)” N/A” denotes test is not applicable in this Test Report Test lab: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Building C, Shuanghuan, No.8, Baoqing Road, Baolong Industrial Zone, Baolong Street, Longgang District, Shenzhen, Guangdong, China FCC Test Firm Registration Number: 854456 Designation Number: CN1307 IC Registered No.: 27485 CAB ID.: CN0118 1.1 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 %。 No. Item Uncertainty 1 Conducted Emission Test ±2.56dB 2 RF power,conducted ±0.42dB 3 Spurious emissions,conducted ±2.76dB 4 All emissions,radiated(<1G) ±3.65dB 5 All emissions,radiated(>1G) ±4.89dB 6 Temperature ±0.5°C 7 Humidity ±2% 8 6dB Bandwidth ±0.2MHz Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20240402051E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 5 of 45 2. GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF EUT Product Name: US switch Trademark N/A Model No.: MG-KG100 MG-KG101, MG-KG102, MG-KG103, MG-KG104, MG-KG105, MG-KG106, MG-KG107, MG-KG108, MG-KG109, MG-KG110, MG-KG111, MG-KG112, MG-KG113, MG-KG114, MG-KG115, MG-KG116, MG-KG117, MG-KG118, MG-KG119, MG-KG120 Model Difference The product's different for model number and appearance color. Operation Frequency: 2412~2462 MHz for 802.11b/g/nHT20 2422~2452 MHz for 802.11nHT40 Channel number…

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Shenzhen DL Testing Technology Co., Ltd. EUT TEST PHOTO Radiated Measurement Photos Shenzhen DL Testing Technology Co., Ltd. Conducted Measurement Photos ※※※※※ END OF REPORT ※※※※※