2A3NOTD177Queue Wireless Calling System

TD177 Instruction Manual EN(01-14) DE(15-30) FR(31-45) IT(46-60) ES(61-76) RU(77-92) PT(93-107) Contents ------------------------------------------------------------------------------------------------------------------------01 ------------------------------------------------------------------------------------------------------------------------01 ------------------------------------------------------------------------------------------------------------------------01 -----------------------------------------------------------------------------------------------------------------------------------02 -------------------------------------------------------------------------------------------------------------------------02 ------------------------------------------------------------------------------------------------------------------------02 ------------------------------------------------------------------------------------------------------------------02 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------------------------------------------------------------------------------------------------------------------------------12 ----------------------------------------------------------------------------------------------------------------------108 1.Transmitter 1.1 Diagram 1.2 Specification 2.Pager 2.1 Diagram 2.2 Specification 3.Charging base 3.1 Diagram 3.2 Specification 3.3 Charging tank cascaded use 3.4 Wall Mounting 3.5 Installation of anti-tipping base plate 4.Function Setting 4.1 Transmitter power on 4.2 Setting Prompt Duration [E-00] 4.3 Transmitter ID/Channel [E-01] 4.4 Setting Number Step Length [E-02] 4.5 Pager flashing light prompt on/off [E-03] 4.6 Pager sound alert on/off [E-04] 4.7 Pager vibration prompts on/off [E-05]. 4.8 Setting the start time of pager out-of-bounds prompt [E-06]. 4.9 Setting the service countdown prompt duration [E-07] 4.10 Setting group calling [E-08]. 4.11 Setting transmitter user password [E-09] 4.12 Setting the countdown prompt time [E-10 4.13 Timing and countdown display mode [E11]. 4.14 Prompting mode (sound/light/vibration) switch when timing countdown is completed [E12] 4.15 Transmitter prompt sound on/off [E-13] 4.16 Transmitter vibration on/off [E-14] 4.17 Calling the pager 4.18 Stop …

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ZHENGZHOU YSAIR TECHNOLOGY CO.,LTD Address: ROOM 709,SANJIANG BUILDING,NO.170 NANYANG ROAD,HUIJI DISTRICT,ZHENGZHOU HENAN China 450053 Email: [email protected] Tel: 63262209-371 CFR 47 §2.911(d)(5)(i) Attestation Letter Attestation Letter Date: 09/19/2023 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(i) Filing FCC ID: 2A3NOTD177 ZHENGZHOU YSAIR 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. Sincerely Yours, Signature: Printed Name: Weidong Shen Title: General Manager

ZHENGZHOU YSAIR TECHNOLOGY CO.,LTD Address: ROOM 709,SANJIANG BUILDING,NO.170 NANYANG ROAD,HUIJI DISTRICT,ZHENGZHOU HENAN China 450053 Email: [email protected] Tel: 63262209-371 CFR 47 §2.911 (d)(5)(ii) Attestation Letter Attestation Letter Date: 09/19/2023 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(ii) Filing FCC ID: 2A3NOTD177 ZHENGZHOU YSAIR 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. Sincerely Yours, Signature: Printed Name: Weidong Shen Title: General Manager

U.S.AGENTLETTEROFATTESTATION Date:2023-09-19 FEDERALCOMMUNICATIONSCOMMISSION AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Ref:AttestationStatementsCFR47§2.911(d)(7)Filing FCCID:2A3NOTD177 ZHENGZHOUYSAIRTECHNOLOGYCO.,LTDcertifiesthat,asofthedateofthefiling oftheapplication,RETEVISINC.isourdesignatedU.S.agentforserviceofprocessforthe abovereferencedFCCID.ZHENGZHOUYSAIRTECHNOLOGYCO.,LTDacceptsto maintainanagentfornolessthanoneyearafterthegranteehasterminatedallmarketing andimportationortheconclusionofanyCommission-relatedproceedinginvolvingthe equipment. RETEVISINC.accepts,asofthedateofthefilingoftheapplication,theobligationofthe designatedU.S.agentforserviceofprocessfortheabovereferencedFCCID. DesignatedU.S.AgentInformation: Name:RETEVISINC. Address:1733EBROOKPORTST,COVINA,CA91724 FRN:0033657701 Tel.:+1 (626)3622594 Email:[email protected] Signedby(printedname):LiuyeLi Signature: Applicant:ZHENGZHOUYSAIRTECHNOLOGYCO.,LTD Address:ROOM709,SANJIANGBUILDING,NO.170NANYANGROAD,HUIJI DISTRICT,ZHENGZHOUHENANChina450053 FRN:0031620636 Tel:63262209-371 Email:[email protected] Signedby(printedname):WeidongShen Signature:

ZHENGZHOU YSAIR TECHNOLOGY CO.,LTD Address: ROOM 709,SANJIANG BUILDING,NO.170 NANYANG ROAD,HUIJI DISTRICT,ZHENGZHOU HENAN China 450053 Email: [email protected] Tel: 63262209-371 QA-FR-170-B 7/29/2014 FCC Authorization Date: 2023-09-19 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We, ZHENGZHOU YSAIR TECHNOLOGY CO.,LTD, the undersigned, hereby authorizes China Certification ICT Co., Ltd (Dongguan) to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by China Certification ICT Co., Ltd (Dongguan) on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signature: Printed Name: Weidong Shen Title: General Manager

ZHENGZHOU YSAIR TECHNOLOGY CO.,LTD Address: ROOM 709,SANJIANG BUILDING,NO.170 NANYANG ROAD,HUIJI DISTRICT,ZHENGZHOU HENAN China 450053 Email: [email protected] Tel: 63262209-371 FCC Confidential Authorization Date: 2023-09-19 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2A3NOTD177 In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, ZHENGZHOU YSAIR TECHNOLOGY CO.,LTD hereby requests long-term confidential treatment of information accompanying this application as outlined below: • Block Diagram • Schematics • Operation Description The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Signature: Printed Name: Weidong Shen Title: General Manager

China Certification ICT Co., Ltd (Dongguan) Report No.: CR230847900-EXP Page 1 of 5 EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS China Certification ICT Co., Ltd (Dongguan) Report No.: CR230847900-EXP Page 2 of 5 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230847900-EXP Page 3 of 5 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230847900-EXP Page 4 of 5 Port China Certification ICT Co., Ltd (Dongguan) Report No.: CR230847900-EXP Page 5 of 5 Adapter

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China Certification ICT Co., Ltd (Dongguan) Report No.: CR230847900-INP Page 1 of 7 EXHIBIT C - EUT INTERNAL PHOTOGRAPHS ANT China Certification ICT Co., Ltd (Dongguan) Report No.: CR230847900-INP Page 2 of 7 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230847900-INP Page 3 of 7 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230847900-INP Page 4 of 7 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230847900-INP Page 5 of 7 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230847900-INP Page 6 of 7 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230847900-INP Page 7 of 7

China Certification ICT Co., Ltd (Dongguan) Report No.: CR230847900-00 Page 34 of 36 5. RF EXPOSURE EVALUATION 5.1 Applicable Standard §1.1307(b)(3)(i) 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: (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); 5.2 Measurement Result Frequency (MHz) Maximum EIRP (dBm) Maximum ERP 1-mW Test Exemption dBm mW 433.92 -3.86 -6.01 0.25 Compliant Note: 1. Chose the maximum power to do MPE analysis. 2. This device maximum E-Field level is 91.34dBμV/m at 3m, so the EIRP power is -3.86 dBm. 3. Pout EIRP(dBm)=Field Strength of Fundamental(dBuV/m)-95.2 Result: Compliant. RF Exposure is exemption.

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TEST REPORT Applicant: ZHENGZHOU YSAIR TECHNOLOGY CO.,LTD Address: ROOM 709,SANJIANG BUILDING,NO.170 NANYANG ROAD,HUIJI DISTRICT,ZHENGZHOU HENAN China 450053 FCC ID: 2A3NOTD177 Product Name: Queue Wireless Calling System Standard(s): 47 CFR Part 15, Subpart C(15.231) ANSI C63.10-2013 The above equipment has been tested and found compliance with the requirement of the relative standards by China Certification ICT Co., Ltd (Dongguan) Report Number: CR230847900-00 Date Of Issue: 2023/9/19 Reviewed By: Sun Zhong Title: Manager Test Laboratory: China Certification ICT Co., Ltd (Dongguan) No. 113, Pingkang Road, Dalang Town, Dongguan, Guangdong, China Tel: +86-769-82016888 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230847900-00 Page 2 of 36 Test Facility The Test site used by China Certification ICT Co., Ltd (Dongguan) to collect test data is located on the No. 113, Pingkang Road, Dalang Town, Dongguan, Guangdong, China. The lab has been recognized as the FCC accredited lab under the KDB 974614 D01 and is listed in the FCC Public Access Link (PAL) database, FCC Registration No. : 442868, the FCC Designation No. : CN1314. The lab has been recognized by Innovation, Science and Economic Development Canada to test to Canadian radio equipment requirements, the CAB identifier: CN0123. Declarations China Certification ICT Co., Ltd (Dongguan) is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with a triangle symbol “▲”. Customer model name, addresses, names, trademarks etc. are not considered data. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report cannot be reproduced except in full, without prior written approval of the Company. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. This report may contain data that are not covered by the accreditation scope and shall be marked with an asterisk “★”. China Certification ICT Co., Ltd (Dongguan) Report No.: CR230847900-00 Page 3 of 36 CONTENTS T EST FACILITY .......................................................................................................................................... 2 DECLARATIONS .......................................................................................................................................... 2 DOCUMENT REVISION HISTORY .......................................................................................... 5 1. GENERAL INFORMATION .................................................................................................... 6 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ....................................................... 6 1.2 DESCRIPTION OF TEST CONFIGURATION ........................................................................................... 7 1.2.2 Support Equipment List and Details .............................................................................................................. 7 1.2.3 Support Cable List and Details ...................................................................................................................... 7 1.2.4 Block Diagram of Test Setup ......................................................................................................................... 7 1.3 MEASUREMENT UNCERTAINTY .......................................................................................................... 9 2. SUMMARY OF TEST RESULTS .......................................................................................... 10 3. REQUIREMENTS AND TEST PROCEDURES .................................................................. 11 3.1 AC LINE CONDUCTED EMISSIONS .................................................................................................... 11 3.1.1 Applicable Standard ..................................................................................................................................... 11 3.1.2 EUT Setup.................................................................................................................................................... 12 3.1.3 EMI Test Receiver Setup ............................................................................................................................. 12 3.1.4 Test Procedure ............................................................................................................................................. 13 3.1.5 Corrected Amplitude & Margin Calculation ................................................................................................ 13 3.2 RADIATION SPURIOUS EMISSIONS .................................................................................................... 14 3.2.1 Applicable Standard ..................................................................................................................................... 14 3.2.2 EUT Setup.................................................................................................................................................... 15 3.2.3 EMI Test Receiver & Spectrum Analyzer Setup ......................................................................................... 15 3.2.4 Test Procedure ............................................................................................................................................. 16 3.2.5 Corrected Amplitude & Margin Calculation ................................................................................................ 16 3.3 20 DB EMISSION BANDWIDTH: .......................................................................................................... 17 3.3.1 Applicable Standard ..................................................................................................................................... 17 3.3.2 EUT Setup....…

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China Certification ICT Co., Ltd (Dongguan) Report No.: CR230847900-00-TSP EXHIBIT D - TEST SETUP PHOTOGRAPHS Conducted Emissions Front View Conducted Emissions Side View China Certification ICT Co., Ltd (Dongguan) Report No.: CR230847900-00-TSP Radiated Emission Below 1GHz View Radiated Emission Above 1GHz View