HBW2168Remote Control Transmitter

FCC ID: HBW2168 Request for Confidentiality In accordance with 47 C.F.R. Section 0.459, we, Chamberlain Group, Inc., hereby request confidentiality for the block diagram, schematic and product description 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. Barbara Kelkhoff Manager of Regulatory Affairs Chamberlain Group, Inc. 845 Larch Ave. Elmhurst, IL. 60126

Engineering Test Report No. 36146-02 Measurement of RF Interference from a Model 1A6226-1 Transmitter For : Chamberlain Manufacturing Elmhurst, IL P.O. No. : 852241 Date Received : April 5, 2006 Date Tested : April 6 and 7, 2006 Test Personnel : Mark E. Longinotti Specification : FCC "Code of Federal Regulations” Title 47 Part 15, Subpart C Test Report By : Mark E. Longinotti NARTE® Certified EMC Test Engineer, ATL-0154-E Approved By : Raymond J. Klouda Registered Professional Engineer of Illinois - 44894 Elite Electronic Engineering Inc. 1516 Centre Circle Downers Grove, IL 60515 Tel : (630) 495-9770 Fax: (630) 495-9785 www.elitetest.com Engineering Test Report No. 36146-02 THIS REPORT SHALL NOT BE REPRODUCED, EXCEPT IN FULL, WITHOUT THE WRITTEN APPROVAL OF ELITE ELECTRONIC ENGINEERING INCORPORATED. Page 2 of 25 TABLE OF CONTENTS PARAGRAPH DESCRIPTION OF CONTENTS PAGE NO. 1.0 INTRODUCTION ................................................................................................................................................ 4 1.1 Description of Test Item.................................................................................................................................... 4 1.2 Purpose ............................................................................................................................................................. 4 1.3 Deviations, Additions and Exclusions ............................................................................................................... 4 1.4 Applicable Documents ...................................................................................................................................... 4 1.5 Subcontractor Identification .............................................................................................................................. 4 1.6 Laboratory Conditions..................................................................................................................................... 4 2.0 TEST ITEM SET-UP AND OPERATION............................................................................................................ 4 2.1 Power Input...................................................................................................................................................... 5 2.2 Grounding......................................................................................................................................................... 5 2.3 Peripheral Equipment........................................................................................................................................ 5 2.4 Interconnect Cables........................................................................................................................................... 5 2.5 Operational Mode ............................................................................................................................................. 5 2.6 Test Item Modifications................................................................................................................................... 5 3.0 TEST EQUIPMENT............................................................................................................................................. 5 3.1 Test Equipment List .......................................................................................................................................... 5 3.2 Calibration Traceability ................................................................................................................................... 5 3.3 Measurement Uncertainty................................................................................................................................ 5 4.0 REQUIREMENTS, PROCEDURES AND RESULTS.......................................................................................... 6 4.1 Powerline Conducted Emissions ..................................................................................................................... 6 4.1.1 Requirements............................................................................................................................................ 6 4.1.2 Procedures ................................................................................................................................................ 6 4.1.3 Results ...................................................................................................................................................... 7 4.2 Duty Cycle Factor Measurements .................................................................................................................. 7 4.2.1 Procedures ............................................................................................................................................... 7 4.2.2 Results ..................................................................................................................................................... 7 4.3 Radiated Measurements................................................................................................................................... 8 4.3.1 Requirements............................................................................................................................................ 8 4.3.2 Procedures ................................................................................................................................................ 8 4.3.3 Results ...................................................................................................................................................... 9 4.4 Occupied Bandwidth Measurements ............................................................................................................... 9 4.4.1 Requirement ................................................................................................................…

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Figure 2 Test Set-up for Conducted Emissions Figure 3 Test Set-up for Radiated Emissions, 30MHz to 1GHz – Horizontal Polarization Test Set-up for Radiated Emissions, 30MHz to 1GHz – Vertical Polarization