YJF303ZTX-DRemote for Garage Door Opener

Revision: 080314A Guardian Shanghai Corp. 368, Min Shen Rd, SongJiang, Shanghai, China Phone:86-21-57684828 Fax:86-21-57685151 Request of Confidentiality 2014/05/14 Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 Subject: Request for Confidentiality FCC ID: YJF303ZTX-D T o Whom It May Concern: Pursuant to the provisions of Sections 0.457 and 0.459 of the Commission’s rules (47 CFR §§ 0.457, 0.459), we are requesting the Commission to withhold the following attachments as confidential document from public disclosure indefinitely. Schematic Diagram Block Diagram Theory of Operation A bove 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. Best Regards Sincerely yours, ------------------------------------------------------------------- Name: Vincent Chan Title: Product Manager Tel.: +86 21 57684828 Fax: +86 21 57685151 Mail: [email protected]

Page 1 of 1 G u a r d i a n S h a n g h a i C o r p . N o . 3 6 8 , M i n S h e n R o a d , S o n g J i a n g , S h a n g h a i , C h i n a (2 0 1 6 1 2 ) TEL : +86 (21) 5768 4828 FAX : +86(21) 5768 5151 Web : www.adhguardian.com email : [email protected] Guardian Shanghai Corp. 368, Min Shen Rd, SongJiang, Shanghai, China Phone:86-21-57684828 Fax:86-21-57685151 Power of Attorney 2014/05/14 To whom it may concern: We, the undersigned, Guardian Shanghai Corp , hereby authorize Bureau Veritas (Hong Kong) Limited to act on our behalf in all matters relating to all processes required in the FCC part 15 approval and any communication needed with the national authority. Any and all acts carried out by Bureau Veritas (Hong Kong) Limited on our behalf shall have the same effects as acts of our own. If you have any questions regarding the authorization, please do not hesitate to contact us. Thank you! Sincerely yours, ------------------------------------------------------------------- Name: Vincent Chan Title: Product Manager Tel.: +86 21 57684828 Fax: +86 21 57685151 Mail: [email protected]

FCC ID: YJF303ZTX-D Report No.: GUD-14MY0004VNTY 1 FCC TEST REPORT REPORT NO.: GUD-14MY0004VNTY MODEL NO.: 303ZTX RECEIVED: May. 5, 2014 ISSUED: May. 9, 2014 APPLICANT: Guardian Shanghai Corp. ADDRESS: 368, Min Shen Rd, SongJiang, Shanghai, China ISSUED BY: BUREAU VERITAS ADT (Shanghai) Corporation ADDRESS: 2F, Building C, No.1618, Yishan rd., 201103, Shanghai, China This test report consists of 28 pages in total. It may be duplicated completely for legal use with the approval of the applicant. It should not be reproduced except in full, without the written approval of our laboratory. The client should not use it to claim product endorsement by A2LA or any government agencies. The test results in the report only apply to the tested sample. The test results in this report are traceable to the national or international standards. This report contains data that were produced under Laboratory ADT (Shanghai) Corporation. FCC ID: YJF303ZTX-D Report No.: GUD-14MY0004VNTY 2 Table of Contents 1 CERTIFICATION .......................................................................................... 3 2 SUMMARY OF TEST RESULTS .................................................................. 4 2.1 MEASUREMENT UNCERTAINTY ............................................................... 4 3 GENERAL INFORMATION .......................................................................... 5 3.1 GENERAL DESCRIPTION OF EUT ............................................................ 5 3.2 DESCRIPTION OF TEST MODES .............................................................. 5 3.3 GENERAL DESCRIPTION OF APPLIED STANDARDS .............................. 7 3.4 DESCRIPTION OF SUPPORT UNITS ........................................................ 7 4 EMISSION TEST .......................................................................................... 8 4.1 CONDUCTED EMISSION MEASUREMENT............................................... 8 4.1.1 LIMITS OF CONDUCTED EMISSION MEASUREMENT ............................ 8 4.1.2 TEST RESULTS .......................................................................................... 8 4.2 DEACTIVATION TIME ................................................................................. 9 4.2.1 LIMITS OF DEACTIVATION TIME MEASUREMENT .................................. 9 4.2.2 TEST INSTRUMENTS ................................................................................. 9 4.2.3 TEST PROCEDURES ................................................................................. 9 4.2.4 DEVIATION FROM TEST STANDARD ........................................................ 9 4.2.5 TEST SETUP ............................................................................................... 9 4.2.6 TEST RESULTS ........................................................................................ 10 4.3 RADIATED EMISSION MEASUREMENT .................................................. 11 4.3.1 LIMITS OF RADIATED EMISSION MEASUREMENT ............................... 11 4.3.2 TEST INSTRUMENTS ............................................................................... 13 4.3.3 TEST PROCEDURE .................................................................................. 14 4.3.4 DEVIATION FROM TEST STANDARD ...................................................... 14 4.3.5 TEST SETUP ............................................................................................. 15 4.3.6 EUT OPERATING CONDITIONS .............................................................. 15 4.3.7 TEST RESULTS ........................................................................................ 16 4.4 20DB OCCUPIED BANDWIDTH MEASUREMENT .................................. 21 4.4.1 LIMITS OF BAND EDGES MEASUREMENT ............................................ 21 4.4.2 TEST INSTRUMENTS ............................................................................... 21 4.4.3 TEST PROCEDURES ............................................................................... 22 4.4.4 DEVIATION FROM TEST STANDARD ...................................................... 22 4.4.5 TEST SETUP ............................................................................................. 22 4.4.6 TEST RESULTS ........................................................................................ 23 5 PHOTOGRAPHS OF THE TEST CONFIGURATION ................................. 24 6 PHOTOGRAPHS OF THE EUT ................................................................. 25 7 APPENDIX - INFORMATION ON THE TESTING LABORATORY ............. 28 FCC ID: YJF303ZTX-D Report No.: GUD-14MY0004VNTY 3 1 CERTIFICATION PRODUCT: Remote for Garage Door Opener MODEL NO.: 303ZTX APPLICANT: Guardian Shanghai Corp. TESTED: May. 5, 2014~ May. 9, 2014 TEST ITEM: ENGINEERING SAMPLE STANDARDS: FCC Part 15: 2013, Subpart C (Section 15.209 and 15.231), ANSI C63.4-2003 We, BUREAU VERITAS ADT (Shanghai) Corporation, declare that the equipment above has been tested in our facility and found compliance with the requirement limits of applicable standards. The test record, data evaluation and Equipment Under Test (EUT) configurations represented herein are true and accurate under the standards herein specified. PREPARED BY : , DATE: May. 13, 2014 Alex DU Testing Engineer TECHNICAL ACCEPTANCE : , DATE: May. 13, 2014 Joy Zhu Testing Manager APPROVED BY : , DATE: May. 13, 2014 Zhaoqian YU Lab Manager FCC ID: YJF303ZTX-D Report No.: GUD-14MY0004VNTY 4 2 SUMMARY OF TEST RESULTS The EUT has been tested according to the following specifications: APPLIED STANDARD: FCC Part 15, Subpart C Standard Paragraph Test Type Result Remarks 15.207 Conducted Emission Test N/A Please refer to 4.1.2. 15.231(a) De-activation Time PASS Meet the requirement of limit 15.209 15.231(b) Radiated Emission Test PASS Minimum passing margin is -16.44 dB at 869.05 MHz 15.231(c) 20dB Occupied Bandwidth Measurement PASS Meet the requirement of limit 2.1 MEASUREMENT UNCERTAINTY Where releva…

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