2A39G-YET2144Wireless remote control

YET2144A & C Rolling Code Remote Control Instruction 1 technical parameters: 1. Operating Frequency: 433.92 mhz, 2.Keys: 4, 3.Operating Voltage: 12VDC 4.Encoding: I Scroll Code 5.Transmission delay: no 6.Standby current: 0MA 7.Output Power: & Lt; -12 DBM 8.Modulation: Ask (Ook) 9.Open Distance: & Gt. 100 m 10 Operating Temperature: -10 ° C-60 ° C 2 functions: 1, the product uses standard copy code remote control, ASK modulation; 2 using internal address coding technology, with more than 1 million kinds of address code, greatly reduce the error rate, so that the product is more secure and reliable! 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. Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment. 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. The device has been evaluated to meet general RF exposure requirement.

Shenzhe 6th Floor Shenzhe China Date: Au Federal C Authoriza 7435 Oa Columbi a FCC ID: FRN: 00 3 US Shenzhe have des 2A39G-Y Shenzhe of proces terminate conclusio equipmen FCC US the desi g Yaoertai Designa t Company FRN: 003 Address: Contact P Phone: 7 Email: Su Sincerely Co mpan y Developm Company Signature en Yaoertai T r block 27,Li en gust 14, 20 2 Communicat ation and Ev kland Mills R a, MD 21046 2A39G-YET 31673403 S Agen en Yaoertai T signated FCC YET2144. en Yaoertai T ss in the Unit ed all market on of any Co nt, whicheve Agent, LLC, gnated agent Technologic ted Agent In y Name: FCC 33402884 3722 Illinoi s Person: Tim 708-571-3148 upport@FCC y, y: Shenzhen ment Co.,LT y Represent e: Technologica anchuang T 24 tions Comm valuation Div Road 6 T2144 t – Atte Technologica C US Agent, Technologica ted States fo ting and imp ommission-re er is later. accepts as t for the purp cal Developm nformation: C US Agent, s Avenue, Sa Payne 8 CUSAgent.co n Yaoertai Te D ative: Jun we al Developm Technical Zo mission vision station al Developme LLC to acce al Developme or no less tha ortation of th elated admin of the date o pose of acce ment Co.,LTD : , LLC aint Charles, om echnological en Yang ment Co.,LTD ne, bulan ro Statem ent Co.,LTD ept service o ent Co.,LTD an one year he applicable nistrative or ju of the filing o pting service D for FCC ID , IL, 60174, U Designat Designat Signature D ad, Longga n ment / Pa certifies, tha of process on , accepts to after either t e equipment udicial proce of this applica e of process D: 2A39G-YE USA ted Agent: F ted Agent Re e: ng district art 2.91 at as of Augu n our behalf f maintain an the grantee h within the U eeding involv ation, the ob on behalf o f ET2144. CC US Age n epresentativ 1(d)(7) ust 14, 2024 for FCC ID: agent of se r has permane U.S., or the ving the ligation of b e f Shenzhen nt, LLC e: Tim Payn , we rvice ently eing e

Shenzhen Yaoertai Technological Development Co.,LTD Covered Equipment Certification Attestation Letter 9/2/2024 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 FCC ID: 2A39G-YET2144 Shenzhen Yaoertai Technological Development 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. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. Shenzhen Yaoertai Technological Development 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. Signed: Printed name: Jun wen Yang Title: General manager Company Name: Shenzhen Yaoertai Technological Development Co.,LTD Date: 9/2/2024

Differences Description We Shenzhen Yaoertai Technological Development Co.,LTD state: Product name: Wireless remote control Model: YET2144, YET2111, YET084, YET2129, YET2130, YET2201, YET027, YET2128, YET2168, YET2147, YET045, YET2169 There is no difference except the color of the shell. All models of all models of PCB design, software, electric circuit, radio frequency characteristics are consistent 2024-8-16 Name Jun wen Yang Position General manager Company Name Shenzhen Yaoertai Technological Development Co.,LTD Address 6th Floor block 27,Lianchuang Technical Zone, bulan road, Longgang district, Shenzhen, China Tel +86-755-89509951 Fax +86-755-28445133 Email [email protected] (Signature)

Shenzhen Yaoertai Technological Development Co.,LTD August 26, 2024 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR EUT NAME: Wireless remote control MODEL: YET2144, YET2111, YET084, YET2129, YET2130, YET2201, YET027, YET2128, YET2168, YET2147, YET045, YET2169 FCC ID: 2A39G-YET2144 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 Schematics, Block diagram, Operation description required to be submitted with this application be permanently withheld from public review. 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. Please contact me if there is any information you may need. Sincerely, Signature: Name Jun wen Yang Position General manager Company Name Shenzhen Yaoertai Technological Development Co.,LTD Address 6th Floor block 27,Lianchuang Technical Zone, bulan road, Longgang district, Shenzhen, China Tel +86-755-89509951 Fax +86-755-28445133 Email [email protected]

Shenzhen Yaoertai Technological Development Co.,LTD August 26, 2024 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 Alpha Product Testing 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 Jun wen Yang Position General manager Company Name Shenzhen Yaoertai Technological Development Co.,LTD Address 6th Floor block 27,Lianchuang Technical Zone, bulan road, Longgang district, Shenzhen, China Tel +86-755-89509951 Fax +86-755-28445133 Email [email protected]

FCCID: 2A39G-YET2144 FCCID: 2A39G-YET2144 FCCID: 2A39G-YET2144

4.5cm 2.5cm Label Location FCC ID: 2A39G-YET2144 Shenzhen Yaoertai Technological Development Co.,LTD Product name: Wireless remote control Model No.: YET2144 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.

FCCID: 2A39G-YET2144 FCCID: 2A39G-YET2144 FCCID: 2A39G-YET2144 FCCID: 2A39G-YET2144 TX ANT

FCC ID: 2A39G-YET2144 RF Exposure evaluation According to 447498 D01 General RF Exposure Guidance v06 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 eirp = pt x gt = (EXd) 2 /30 where: pt = transmitter output power in watts, gt = numeric gain of the transmitting antenna (unitless), E = electric field strength in V/m, --- 10 ((dBuV/m)/20) /10 6 d = measurement distance in meters (m)---3m So pt = (EXd) 2 /30 x gt For Worst case Mode: 433.92MHz Field strength =69.21 dBuV/m @3m Ant gain 0 dBi; so Ant numeric gain=1 So pt= {[10 (69.21/20) /10 6 x3] 2 /30x1} x 1000 mW =0.00250 mW So (0.00250mW/5mm) x √0.43392 GHz = 0.00033<3 Then SAR evaluation is not required

FCC TEST REPORT FCC ID: 2A39G-YET2144 On Behalf of Shenzhen Yaoertai Technological Development Co., LTD Wireless remote control Model No.: YET2144, YET2111, YET084, YET2129, YET2130, YET2201, YET027, YET2128, YET2168, YET2147, YET045, YET2169 Prepared for : Shenzhen Yaoertai Technological Development Co., LTD Address : 6th Floor block 27, Lianchuang Technical Zone, bulan road, Longgang district, Shenzhen, China Prepared By : Shenzhen Alpha Product Testing Co., Ltd. Address : Building i, No.2, Lixin Road, Fuyong Street, Bao’an District, 518103, Shenzhen, Guangdong, China Report Number : A2407091-C01-R01 Date of Receipt : August 2, 2024 Date of Test : August 2, 2024- August 8, 2024 Date of Report : August 8, 2024 Version Number : V0 Test Result : Pass Page 2 of 28 Report No.: A2407091-C01-R01 TABLE OF CONTENTS Description Page 1. General Information .................................................................................................................... 5 1.1. Description of Device (EUT) ...................................................................................................... 5 1.2. Accessories of Device (EUT) ..................................................................................................... 6 1.3. Tested Supporting System Details ............................................................................................. 6 1.4. Test Facility ................................................................................................................................ 6 2. Summary of Test ......................................................................................................................... 7 2.1. Summary of Test Result ............................................................................................................. 7 2.2. Block Diagram ........................................................................................................................... 7 2.3. Test Mode .................................................................................................................................. 8 2.4. Test Conditions .......................................................................................................................... 8 2.5. Measurement Uncertainty (95% confidence levels, k=2) .......................................................... 8 2.6. Test Equipment .......................................................................................................................... 9 3. Radiation Emission ................................................................................................................... 11 3.1. Radiation Emission Limits(15.209&231) ................................................................................... 11 3.2. Test Setup ................................................................................................................................. 11 3.3. Test Procedure ......................................................................................................................... 12 3.4. Test Equipment Setting For emission test. .............................................................................. 12 3.5. Test Condition .......................................................................................................................... 13 3.6. Test Result ............................................................................................................................... 13 4. Power Line Conducted Emission ............................................................................................ 21 4.1. Conducted Emission Limits (15.209) ....................................................................................... 21 4.2. Test Setup ................................................................................................................................ 21 4.3. Test Procedure ......................................................................................................................... 21 4.4. Test Results ............................................................................................................................. 21 5. Occupied bandwidth ................................................................................................................. 22 5.1. Test Limit .................................................................................................................................. 22 5.2. Method of Measurement .......................................................................................................... 22 5.3. Test Setup ................................................................................................................................ 22 5.4. Test Results ............................................................................................................................. 22 6. Transmission Time ................................................................................................................... 24 6.1. Test Limit .................................................................................................................................. 24 6.2. Method of Measurement .......................................................................................................... 24 6.3. Test Setup ................................................................................................................................ 24 6.4. Test Results ............................................................................................................................. 24 7. Antenna Requirement ............................................................................................................... 26 7.1. Standard Requirement ............................................................................................................. 26 7.2. Antenna Connected Construction ................................…

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FCCID: 2A39G-YET2144 Radiated Emission FCCID: 2A39G-YET2144