2AAV8QH-ZDoorbell Transmitter

SHENZHEN QIAOHUA INDUSTRIES LIMITED

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Application Details

Equipment Class: DSC - Part 15 Security/Remote Control Transmitter
Date of Grant: Sep 21, 2015
Application Purpose: Original Equipment
Date of Application: Sep 21, 2015
Equipment Note: Doorbell Transmitter
Frequency Range: 433.92000000 - 433.92000000
Company: SHENZHEN QIAOHUA INDUSTRIES LIMITED
Country: China

Documents & Files

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

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Cover Letter(s)

SCS-F18: Project and Product Certification Representative Authorization Letter Page 1 of 2 Rev 5.0 775 Montague Expressway Milpitas, CA 95035 Tel: 408-526-1188 Fax: 408-526-1088 Email: [email protected] Project and Product Certification Representative Authorization Letter Reason for Amendment (current / obsolete) Revision History Approved Date From To Initial Release (obsolete) 1.0 1.0 Nov-14-2006 Revised wording (obsolete) 1.0 2.0 Sept–25-2007 Updated company template (obsolete) 2.0 3.0 Jan-31-2012 Updated letter information (obsolete) 3.0 4.0 May-23-2014 Added FCC ID field (current) 4.0 5.0 Sept 16 2014 SCS-F18: Project and Product Certification Representative Authorization Letter Page 2 of 2 Rev 5.0 SHENZHEN QIAOHUA INDUSTRIES LIMITED 2015-09-09 To: SIEMIC, INC. 775 Montague Expressway, Milpitas, CA 95035 USA Dear Sir/Madam, Re: Product Certification Representative Authorization Letter We, ____ SHENZHEN QIAOHUA INDUSTRIES LIMITED __ hereby authorize SIEMIC, Inc. to act as a Certification Body for certifying for the following project(s): Product： Doorbell Transmitter Trade Name： QUHWA Model Name： QH-Z Serial Model： N/A FCC ID： 2AAV8QH-Z Sincerely, Signature Client’s name / title : Swiss Yang / Sales assistant Contact information / address : Qiaohua Industrial Zone, Luo Tian Forestry Center, Song Gang Town, Bao An District, Shenzhen, Guangdong, 518105 China

Cover Letter(s)

SCS-F19: Confidentiality Request Letter Page 1 of 2 Rev 4.0 775 Montague Expressway Milpitas, CA 95035 Tel: 408-526-1188 Fax: 408-526-1088 Email: [email protected] Confidentiality Request Letter Reason for Amendment (current / obsolete) Revision History Approved Date From To Initial Release (obsolete) 1.0 1.0 Nov-14-2006 Adding CFR 2.459 (obsolete) 1.0 2.0 August – 11 - 2008 Updated company template & Added text box (obsolete) 2.0 3.0 Jan-31-2012 Added IC confidentiality letter form (current) 3.0 4.0 March-26-2015 SCS-F19: Confidentiality Request Letter Page 2 of 2 Rev 4.0 SHENZHEN QIAOHUA INDUSTRIES LIMITED 2015-09-09 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD Subject: Permanent Confidentiality Request for FCC ID: 2AAV8QH-Z We hereby request confidential treatment of information accompanying this application as outlined below: - . Block Diagram - Schematics - Operational Description - 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. The applicant understands that pursuant to Section 0.457 & 0.459 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, Signature Client’s name / title : Swiss Yang / Sales assistant Contact information / address : Qiaohua Industrial Zone, Luo Tian Forestry Center, Song Gang Town, Bao An District, Shenzhen, Guangdong, 518105 China

External Photos

APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Photo 1 Photo 2 Photo 3 Photo 4 Photo 5 Photo 6

ID Label/Location Info

FCC ID LABELING AND LOCATION FCC ID Label Doorbell Transmitter Model NO.: QH-Z FCC ID: 2AAV8QH-Z FCC ID Label Location The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925)

Internal Photos

APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Photo 1 Photo 2 Ant Photo 3

Test Report

FCC RADIO TEST REPORT FCC ID:2AAV8QH-Z Product： Doorbell Transmitter Trade Name： QUHWA Model Name： QH-Z Serial Model： N/A Report No.： NTEK- 2015NT0813495F Prepared for SHENZHEN QIAOHUA INDUSTRIES LIMITED Qiaohua Industrial Zone, Luo Tian Forestry Center, Song Gang Town, Bao An District, Shenzhen, Guangdong, 518105 China Prepared by Shenzhen NTEK Testing Technology Co., Ltd. 1/F, Building E, Fenda Science Park, Sanwei Community,Xixiang Street Bao’an District, Shenzhen P.R. China Tel.: +86-0755-61156588 Fax.: +86-0755-61156599 Website:www.ntek.org.cn Page 2 of 26 Report No.:NTEK-2015NT0813495F ` TEST RESULT CERTIFICATION Applicant’s name ................. : SHENZHEN QIAOHUA INDUSTRIES LIMITED Address ................................. : Qiaohua Industrial Zone, Luo Tian Forestry Center, Song Gang Town, Bao An District, Shenzhen, Guangdong, 518105 China Manufacture's Name ............ : SHENZHEN QIAOHUA INDUSTRIES LIMITED Address ................................. : Qiaohua Industrial Zone, Luo Tian Forestry Center, Song Gang Town, Bao An District, Shenzhen, Guangdong, 518105 China Product description Product name ........................... : Doorbell Transmitter Model and/or type reference : QH-Z Serial Model： N/A Standards ............................. : FCC Part15.231 01 Oct. 2014 Test procedure ..............................ANSI C63.10-2013 This device described above has been tested by NTEK, and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval of NTEK, this document may be altered or revised by NTEK, personnel only, and shall be noted in the revision of the document. Date of Test ............................................ : Date (s) of performance of tests ............. : 13 Aug. 2015 ~25 Aug. 2015 Date of Issue ........................................... : 25 Aug. 2015 Test Result ............................................... : Pass Testing Engineer : (Allen Liu) Technical Manager : (Brown Lu) Authorized Signatory : (Sam Chen) Page 3 of 26 Report No.:NTEK-2015NT0813495F ` Table of Contents Page 1 . SUMMARY OF TEST RESULTS 4 1.1 TEST FACILITY 5 1.2 MEASUREMENT UNCERTAINTY 5 2 . GENERAL INFORMATION 6 2.1 GENERAL DESCRIPTION OF EUT 6 2.2 DESCRIPTION OF TEST MODES 7 2.3 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 8 2.4 DESCRIPTION OF SUPPORT UNITS(CONDUCTED MODE) 9 2.5 EQUIPMENTS LIST FOR ALL TEST ITEMS 10 3 . ANTENNA REQUIREMENT 11 3.1 STANDARD REQUIREMENT 11 3.2 EUT ANTENNA 11 4 . EMC EMISSION TEST 12 4.1 CONDUCTED EMISSION MEASUREMENT 12 4.1.1 POWER LINE CONDUCTED EMISSION LIMITS 12 4.1.2 TEST PROCEDURE 13 4.1.3 DEVIATION FROM TEST STANDARD 13 4.1.4 TEST SETUP 13 4.2 RADIATED EMISSION MEASUREMENT 15 4.2.1 RADIATED EMISSION LIMITS 15 4.2.2 TEST PROCEDURE 16 4.2.3 DEVIATION FROM TEST STANDARD 16 4.2.4 TEST SETUP 17 4.2.5 TEST RESULTS (BELOW 30MHZ) 19 4.2.6 TEST RESULTS (BETWEEN 30 – 4000 MHZ) 20 4.2.7 DUTY CYCLE 21 5 . BANDWIDTH TEST 23 5.1 TEST PROCEDURE 23 5.2 DEVIATION FROM STANDARD 23 5.3 TEST SETUP 23 5.4 TEST RESULTS 24 6 . TRANSMITTER TIMEOUT 25 6.1 REQUIREMENTS 25 7 . EUT TEST PHOTO 26 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Page 4 of 26 Report No.:NTEK-2015NT0813495F ` 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: FCC Part15, Subpart C (15.231) Standard Section Test Item Judgment Remark 15.207 Conducted Emission N/A 15.203 Antenna Requirement Pass 15.231 Radiated Spurious Emission Pass 15.231 Occupied Bandwidth Pass 15.231 Transmitter Timeout Pass NOTE: (1) ” N/A” denotes test is not applicable in this Test Report. Page 5 of 26 Report No.:NTEK-2015NT0813495F ` 1.1 TEST FACILITY NTEK Testing Technology Co., Ltd Add. : 1/F, Building E, Fenda Science Park, Sanwei Community, Xixiang Street, Bao’an District, Shenzhen P.R. China. FCC Registration No.:238937; IC Registration No.:9270A-1 CNAS Registration No.:L5516 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 %。 No. Item Uncertainty 1 Conducted Emission Test ±1.38dB 2 RF power,conducted ±0.16dB 3 Spurious emissions,conducted ±0.21dB 4 All emissions,radiated(<1G) ±4.68dB 5 All emissions,radiated(>1G) ±4.89dB 6 Temperature ±0.5°C 7 Humidity ±2% Page 6 of 26 Report No.:NTEK-2015NT0813495F ` 2. GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF EUT Equipment Doorbell Transmitter Trade Name QUHWA Model Name QH-Z Serial Model N/A Model Difference N/A Product Description The EUT is a Doorbell Transmitte r Operation Frequency: 433.92MHz Modulation Type: ASK Number Of Channel 1CH. Antenna Designation: PCB Antenna Antenna Gain(Peak) 1.0 dBi Channel List Refer to below Adapter N/A Battery DC 3.0V Note: 1. For a more detailed features description, please refer to the manufacturer’s specifications or the User's Manual. 2. Table for Filed Antenna Ant . Brand Model Name Antenna Type Connector Gain (dBi) NOTE 1 N/A N/A PCB Antenna N/A 1.0 Antenna Page 7 of 26 Report No.:NTEK-2015NT0813495F ` 2.2 DESCRIPTION OF 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 For Radiated Emission Final Test Mode Description Mode 1 TX Page 8 of 26 Report No.:NTEK-2015NT0813495F ` 2.3 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED Radiated Spurious Emission Test E-1 EUT Page 9 of 26 Report No.:NTEK-2015NT0813495F ` 2.4 DESCRIPTION OF SUPPORT UNITS(CONDUCTED MODE) The EUT …

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Test Setup Photos

Page 26 of 26 Report No.:NTEK-2015NT0813495F ` 7. EUT TEST PHOTO Radiated Measurement Photos