HBW9757ARQ2

- - - - - - - -

Date: December 1, 2020 Page 1 of 1 The Chamberlain Group, Inc. 300 Windsor Dr Oak Brook, IL 60523 Tel: 630.993.6306 Fax: 630.516.6863 Email: [email protected] To: Elite Electronic Engineering, Inc. 1516 Centre Circle Downers Grove, IL 60515 To whom it may concern, Elite Electronic Engineering, Inc. is authorized to act on our behalf, until otherwise notified, for applications to Elite Electronics Engineering, Inc. We certify that we are not subject to denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, U.S.C. 862. Further, no party, as defined in 47 CFR 1.2002 (b) to the application is subject to denial of federal benefits, that includes FCC benefits. Thank you. Regards, Barbara Kelkhoff Regulatory Engineering Manager Chamberlain Group 300 Windsor Dr, Oak Brook, IL 6052

Date: December 1, 2020 Page 1 of 1 The Chamberlain Group, Inc. 300 Windsor Dr Oak Brook, IL 60523 Tel: 630.993.6306 Fax: 630.516.6863 Email: [email protected] To: Federal Communication Commission Equipment Authorization Division Application Processing Branch 7435 Oakland Mills Rd Columbia, MD 21046 FCC ID: HBW9757 for circuit assembly 001D9757-2 Request for Confidentiality In accordance with 47 C.F.R. Section 0.457 and 0.459, we, Chamberlain Group, hereby request confidentiality for the Schematics, BOM / Parts List, Component Layout and Theory of Operation presented for certification. In support of the Request for Confidentiality, the following is stated: Enclosed within this application is technical information which we deem to be trade secrets and proprietary. If made public, the information might be used to our disadvantage. To assist in assuring that we receive the full value of our product and protect its competitive posture, we respectfully request this grant of confidentiality. I would appreciate your prompt attention to the submittal. If there are any questions, please call me at 630-993-6306 or send a fax to 630-516-6863. Sincerely, Barbara Kelkhoff Regulatory Engineering Manager Chamberlain Group 300 Windsor Dr, Oak Brook, IL 60523

For The Chamberlain Group, Inc. 300 Windsor Dr. Oak Brook, IL 60523 P.O. Number4900067654 Date ReceivedNovember 16, 2020 Date TestedNovember 17 –December 1, 2020 Test PersonnelT ylar Jozefczyk Specification FCC "Code of Federal Regulations" Title 47, Part 15, Subpart C, Sections 15.207 and 15.247 for Frequency Hopping Spread Spectrum Intentional Radiators within the band 902-928MHz FCC “Code of Federal Regulations” Title 47, Part15, Subpart 15B, Section 15.107 and 15.109 for Receivers Industry Canada RSS-247 Industr y Canada RSS-GEN Test Report B y: T ylar Jozefczyk EMC En gineer Requested B y:Andrew Marks The Chamberlain Group, Inc. Approved By: Ra ymond J. Klouda Registered Professional Engineer of Illinois - 44894 Engineering Test Report No. 2004380-02 Rev. C Measurement of RF Interference from a Model No. CDMRAA0101E3 (ARQ2-UGDO) Automotive Transceiver for Garage Door Control Transceiver Engineering Test Report No. 2004380-02 Rev. C THIS REPORT SHALL NOT BE REPRODUCED, EXCEPT IN FULL, WITHOUT THE WRITTEN APPROVAL OF ELITE ELECTRONIC ENGINEERING INCORPORATED. Page 2 of 80 TABLE OF CONTENTS PARAGRAPH DESCRIPTION OF CONTENTS PAGE NO. 1. INTRODUCTION ............................................................................................................................................... 5 1.1 Scope of Tests .......................................................................................................................................... 5 1.2 Purpose ..................................................................................................................................................... 5 1.3 Deviations, Additions and Exclusions ....................................................................................................... 5 1.4 EMC Laboratory Identification .................................................................................................................. 5 1.5 Laboratory Conditions ............................................................................................................................... 5 2. APPLICABLE DOCUMENTS ............................................................................................................................ 5 3. EUT SETUP AND OPERATION ....................................................................................................................... 6 3.1 General Description .................................................................................................................................. 6 3.1.1 Power Input .......................................................................................................................................... 6 3.1.2 Peripheral Equipment ........................................................................................................................... 6 3.1.3 Interconnect Cables ............................................................................................................................. 6 3.1.4 Grounding ............................................................................................................................................. 6 3.2 Operational Mode ..................................................................................................................................... 6 3.3 EUT Modifications ..................................................................................................................................... 7 4. TEST FACILITY AND TEST INSTRUMENTATION .......................................................................................... 7 4.1 Shielded Enclosure ................................................................................................................................... 7 4.2 Test Instrumentation ................................................................................................................................. 7 4.3 Calibration Traceability ............................................................................................................................. 7 4.4 Measurement Uncertainty ......................................................................................................................... 7 5. TEST PROCEDURES ....................................................................................................................................... 8 5.1 Receiver .................................................................................................................................................... 8 5.1.1 Powerline Conducted Emissions .......................................................................................................... 8 5.1.1.1 Requirements .............................................................................................................................. 8 5.1.2 Radiated Measurements ...................................................................................................................... 8 5.1.2.1 Requirements .............................................................................................................................. 8 5.1.2.2 Procedures .................................................................................................................................. 8 5.1.2.1 Results ......................................................................................................................................... 9 5.2 Transmitter ................................................................................................................................................ 9 5.2.1 Powerline Conducted Emissions .......................................................................................................... 9 5.2.1.1 Requirements .............................................................................................................................. 9 5.2.2 20dB Bandwidth .................................................…

Text truncated - open the document above for the full version.

Engineering Test Report No. 2004380-03 Rev. C Page 27 of 67 Test Setup for Spurious Radiated Emissions, 30-1000MHz – Antenna Polarization Horizontal Test Setup for Spurious Radiated Emissions, 30-1000MHz – Antenna Polarization Vertical Engineering Test Report No. 2004380-03 Rev. C Page 28 of 67 Test Setup for Spurious Radiated Emissions, 1GHz to 18GHz – Antenna Polarization Horizontal Test Setup for Spurious Radiated Emissions,1GHz to 18GHz – Antenna Polarization Vertical Engineering Test Report No. 2004380-03 Rev. C Page 29 of 67 Test Setup for Spurious Radiated Emissions, 18GHz to 25GHz – Antenna Polarization Horizontal Test Setup for Spurious Radiated Emissions,18GHz to 25GHz – Antenna Polarization Vertical