2AWSE-STP030Fifteen-channel emitter

Radio frequency: MHz Working temperature: -10᯦~50᯦Transmitting power: 10 mW Battery: 3V (CR2450)Battery life: >2 years Radio range: 200 meters outdoor, 35 meters indoor Technical specification 1, Emitter couldn't expose to moisture or be striked heavily, or else the emitter life will be affected. 2, If the emitter is not so sensitive or the radio range becomes shorter, pls check whether to change the battery. 3, If the voltage is less than 2.6V, there will be a low voltage indication. 4, Under uni-directional mode, if you press any button more than 20S, while under bi-directional mode, you press any button 5S, the emitter will stop sending radio signals. 5, It's forbidden to use different type battery to avoid any dangerous risk. 6, Dispose of used batteries properly. Warning Version: A/03 Instruction Of Buttons DD1662HD 5-channel LCD emitter Instruction DD1662HD 15-channel LCD emitter DD1662HD Back Left up button Left stop button Left down button Right up button Right stop button Right down button LCD Setting button (P2) Setting button (P2) Channel increasing button (CH+) Channel descending button (CH-) Use a tool (such as Sim card pin,mini screw driver, fine needle as above) to press the elastic button meanwhile push the battery cover down Press and hold STOP button more than 15s Press and hold STOP button more than 15s Combination button unlock Combination button is locked Lock status Unlock status P2×1 Release button Release button T<10S P2×1 T<10S Note: 1,If there is no operation for 10 seconds, it will automatically exit the setting status. 2,The factory default is unlock status, repeat same operation to switch status circulaly. 3,Under lock status, the combination buttons don't work; Under unlock status, the combination buttons will work normally. 4,Only the transmitting code will be affected if the combination buttons are locked. Combination Button Lock / Unlock Operation (CH+button + CH-button)×1 Press CH+ and CH- and hold on Press CH+ or CH- button to select the desired channels (from 1 to 15)STOP×1 Effective Channel Selection Set successfully Note: 1,In the setting state, press the UP or DOWN button you can exit quickly. 2,If you want to change the valid channels, reset it. RF exposure statement This equipment complies with the FCC radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. FCC Warning 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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

HT Window Fashions Corp. 770 S. Epperson Drive City of Industry, CA 91748, United States Date: 2023-03-01 Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements Part 2.911(d) (5) (i) Filing SUBJECT: FCC Application for FCC ID: 2AWSE-STP030 To Whom It May Concern: HT Window Fashions Corp. 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. Sincerely, Signatory [Zhihong Xie, Section head]

HT Window Fashions Corp. 770 S. Epperson Drive City of Industry, CA 91748, United States Date: 2023-03-01 Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements Part 2.911(d) (5) (ii) Filing SUBJECT: FCC Application for FCC ID: 2AWSE-STP030 To Whom It May Concern: HT Window Fashions Corp. 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. Sincerely, Signatory [Zhihong Xie, Section head]

HT Window Fashions Corp. 770 S. Epperson Drive City of Industry, CA 91748, United States Date: 2023-03-01 Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements Part 2.911(d)(7) Filing SUBJECT: Grantee Code: 2AWSE HT Window Fashions Corp. certifies that, as of the date of the filing of the application, we designate ourselves as the U.S. agent for service of process. Designated U.S. Agent Information: FRN: 0029718293 Name: HT Window Fashions Corp. Address: 770 S. Epperson Drive City of Industry, California 91748, United States Contact Person: Zhihong Xie Tel.: +001 (626)839-8866 Email: [email protected] Sincerely, Signatory [Zhihong Xie, Section head]

HT Window Fashions Corp. 770 S. Epperson Drive City of Industry, CA 91748, United States Date: 2023-03-01 FEDERAL COMMUNICATIONS COMMISSION AUTHORIZATION AND EVALUATION DIVISION 7435 OAKLAND MILLS ROAD COLUMBIA, MD 21046 SUBJECT: FCC Application for FCC ID: 2AWSE-STP030 Confidentiality Request 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. ☒ Block Diagram ☐ Tune-Up Information ☒ Operational Description ☐ Security Information ☒ Schematics ☐ Software Defined Radio (SDR) Information ☐ Parts List The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. 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. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Signatory [Zhihong Xie, Section head]

HT Window Fashions Corp. 770 S. Epperson Drive City of Industry, California 91748, United States Date: 2023-03-01 FEDERAL COMMUNICATIONS COMMISSION AUTHORIZATION AND EVALUATION DIVISION 7435 OAKLAND MILLS ROAD COLUMBIA, MD 21046 SUBJECT: FCC Application for FCC ID: 2AWSE-STP030 POWER OF ATTORNEY To Whom It May Concern: We, the undersigned, hereby authorize Waltek Testing Group (Shenzhen) Co., Ltd. Jandy So on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Waltek Testing Group (Shenzhen) Co., Ltd. Jandy So on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti-Drug Abuse Act. We, HT Window Fashions Corp. are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, Signatory [Zhihong Xie, Section head]

Reference No.: WTN23X02012502W Page 2 of 10 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EXHIBIT 2 - EUT EXTERNAL PHOTOGRAPHS EUT View 1 EUT View 2 Reference No.: WTN23X02012502W Page 3 of 10 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EUT View 3 EUT View 4 Reference No.: WTN23X02012502W Page 4 of 10 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EUT View 5 EUT View 6 Reference No.: WTN23X02012502W Page 5 of 10 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EUT View 7

Reference No.: WTN23X02012502W Page 1 of 10 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn ANNEX EXHIBIT 1 - PRODUCT LABELING Proposed FCC ID Label Format FCC ID: 2AWSE-STP030 Specifications: The label shall be securely affixed to a permanently attached part of the device, in a location where it is visible or easily accessible to the user, and shall not be readily detachable. The label shall be sufficiently durable to remain fully legible and intact on the device in all normal conditions of use throughout the device’s expected lifetime. Proposed Label Location on EUT FCC ID Label Location

Reference No.: WTN23X02012502W Page 6 of 10 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EXHIBIT 3 - EUT INTERNAL PHOTOGRAPHS EUT Housing and Board View 1 EUT Housing and Board View 2 Reference No.: WTN23X02012502W Page 7 of 10 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Solder Board-Component View 1 Solder Board-Component View 2 Reference No.: WTN23X02012502W Page 8 of 10 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Solder Board-Component View 3 Antenna View

1. RF Exposure Requirements 1.1 General Information Client Information Applicant: HT Window Fashions Corp. Address of applicant: 770 S. Epperson Drive City of Industry, CA 91748 Manufacturer: HT Window Fashions Corp. Address of manufacturer: 770 S. Epperson Drive City of Industry, CA 91748 General Description of EUT: Product Name: Fifteen-channel emitter Trade Name: / Model No.: STP030 Adding Model(s): / Rated Voltage: Battery DC 3V FCC ID: 2AWSE-STP030 Equipment Type: Portable device Technical Characteristics of EUT: SRD Frequency Range: 433.92MHz Max. Field Strength: 433.92MHz: 79.06dBuV/m(3m) Data Rate: / Modulation: FSK Antenna Type: PCB Antenna Antenna Gain: 0dBi 1.2 RF Exposure Exemption According to §1.1307(b)(3) and 447498 D04 Interim General RF Exposure Guidance v01, system operating under the provisions of this section shall be operating in a manner that the public is not exposed to radio frequency energy level in excess limit for maximum permissible exposure. Option A: FCC Rule Part 1.1307 (b)(3)(i)(A):The available maximum time-averaged power is no more than 1mW, regardless of separation distance. Option B: FCC Rule Part 1.1307 (b)(3)(i)(B): 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. P th is given by: Option C: FCC Rule Part 1.1307 (b)(3)(i)(C): The minimum separation distance (R in meters) from the body of a nearby person for the frequency (f in MHz) at which the source operates, the ERP (watts) is no more than the calculated value prescribed for that frequency. R must be at least λ/2π, where λ is the free-space operating wavelength in meters. Single RF Sources Subject to Routine Environmental Evaluation RF Source frequency (MHz) Threshold ERP (watts) 0.3-1.34 1,920 R 2 1.34-30 3,450 R 2 /f 2 30-300 3.83 R 2 300-1,500 0.0128 R 2 f 1,500-100,000 19.2R 2 For Multiple RF sources: FCC Rule Part 1.1307(b)(3)(ii): (A) The available maximum time-averaged power of each source is no more than 1 mW and there is a separation distance of two centimeters between any portion of a radiating structure operating and the nearest portion of any other radiating structure in the same device, except if the sum of multiple sources is less than 1 mW during the time-averaging period, in which case they may be treated as a single source (separation is not required). (B) In the case of fixed RF sources operating in the same time-averaging period, or of multiple mobile or portable RF sources within a device operating in the same time averaging period, if the sum of the fractional contributions to the applicable thresholds is less than or equal to 1 as indicated in the following equation. 1.3 Calculated Result Radio Access Technology Prediction Frequency Max. Field Strength Antenna Gain Output Power Tune-Up Power ERP (MHz) (dBuV/m) (dBi) (dBm) (dBm) (dBm) SRD 433.92 79.06 0 -16.20 -16.00 -18.35 Frequency Option Min. Distance Max. Power Exposure Limit Ratio Result (MHz) (cm) (dBm) (mW) (mW) Pass/Fail 433.92 B 0.5 -16.00 0.03 23.17 0.01 Pass Note: 1. EIRP= E-104.8+20logD; Output Power=EIRP- Antenna Gain; ERP=EIRP-2.15dB 2. Option A, B and C refers as clause 1.2. 3. For option B, Max (time-averaged power, effective radiated power (ERP)) converts to Max. Power. For option C, ERP converts to Max. Power; 4. For option B, P th (mW) converts to Exposure Limit (mW); For option C, ERP (W) converts to Exposure Limit (mW). 5. Ratio= Tune-Up ERP (mW)/ Exposure Limit (mW) Mode for Simultaneous Multi-band Transmission: Radio Access Technology Ratio 1 Ratio 2 Ratio 3 Ratio 4 Simultaneous Ratio Limit Result Pass/Fail / / / / / / / / Result: Pass

Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 1 of 24 TEST REPORT Reference No. .................... : WTN23X02012502W FCC ID ................................ : 2AWSE-STP030 Applicant ........................... : HT Window Fashions Corp. Address ............................. : 770 S. Epperson Drive City of Industry, CA 91748 Manufacturer ..................... : The same as Applicant Address ............................. : The same as Applicant Product Name ................... : Fifteen-channel emitter Model No... ......................... : STP030 Standards .......................... : FCC Part 15.231 Date of Receipt sample .... : 2023-02-03 Date of Test........................ : 2023-02-03 to 2023-02-17 Date of Issue ..................... : 2023-02-17 Test Report Form No. ....... : WTX_Part 15_231W Test Result ......................... : Pass Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of approver. Prepared By: Waltek Testing Group (Shenzhen) Co., Ltd. Address: 1/F., Room 101, Building 1, Hongwei Industrial Park, Liuxian 2nd Road, Block 70 Bao'an District, Shenzhen, Guangdong, China Tel.: +86-755-33663308 Fax.: +86-755-33663309 Email: [email protected] Tested by: Approved by: Jack Huang Silin Chen Reference No.: WTN23X02012502W Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 2 of 24 TABLE OF CONTENTS 1. GENERAL INFORMATION .................................................................................................................................... 4 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ......................................................................... 4 1.2 TEST STANDARDS ................................................................................................................................................. 5 1.3 TEST METHODOLOGY ........................................................................................................................................... 5 1.4 TEST FACILITY ...................................................................................................................................................... 5 1.5 EUT SETUP AND TEST MODE .............................................................................................................................. 6 1.6 MEASUREMENT UNCERTAINTY ............................................................................................................................. 7 1.7 TEST EQUIPMENT LIST AND DETAILS ................................................................................................................... 8 2. SUMMARY OF TEST RESULTS ......................................................................................................................... 11 3. ANTENNA REQUIREMENT ................................................................................................................................. 12 3.1 STANDARD APPLICABLE ..................................................................................................................................... 12 3.2 TEST RESULT ...................................................................................................................................................... 12 4. RADIATED EMISSIONS ....................................................................................................................................... 13 4.1 STANDARD APPLICABLE ..................................................................................................................................... 13 4.2 TEST PROCEDURE .............................................................................................................................................. 14 4.3 CORRECTED AMPLITUDE & MARGIN CALCULATION ........................................................................................... 15 4.4 SUMMARY OF TEST RESULTS/PLOTS ................................................................................................................. 15 5. 20DB BANDWIDTH ............................................................................................................................................... 18 5.1 STANDARD APPLICABLE ..................................................................................................................................... 18 5.1 TEST PROCEDURE .............................................................................................................................................. 18 5.2 SUMMARY OF TEST RESULTS/PLOTS ................................................................................................................. 18 6. TRANSMISSION TIME .......................................................................................................................................... 19 6.1 STANDARD APPLICABLE ..................................................................................................................................... 19 6.2 TEST PROCEDURE .............................................................................................................................................. 19 6.3 SUMMARY OF TEST RESULTS/PLOTS ................................................................................................................. 19 7. DUTY CYCLE ......................................................................................................................................................... 21 7.1 STANDARD APPLICABLE ..................................................................................................................................... 21 7.2 TEST PROCEDURE ........................................................................................…

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Reference No.: WTN23X02012502W Page 9 of 10 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EXHIBIT 4 - TEST SETUP PHOTOGRAPHS Radiation Emission Test Setup (Below 30MHz) Radiation Emission Test Setup (30MHz to 1GHz) Reference No.: WTN23X02012502W Page 10 of 10 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Radiation Emission Test Setup (1GHz to 18GHz) ***** END OF REPORT *****