Cover Letter Requesting Class II Permissive Change

FCC ID: HBW8628R2

Cover Letter(s)

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FCCID_3920266

  July 2, 2018 Page 1 of 1 The Chamberlain Group, Inc. 300 Windsor Dr Oak Brook, IL 60523 Tel: 630.993.6306 Fax: 630.516.6863 Email: Barbara.Kelkhoff@Chamberlain.com To: Federal Communication Commission Equipment Authorization Division Application Processing Branch 7435 Oakland Mills Rd Columbia, MD 21046 FCC ID: HBW8628R2 for Door Sensor Assembly 001D9225-1 Request for Class II Permissive Change In accordance with 47 C.F.R. Chapter 1, Subchapter A, Part 2, Subpart J, Section 2.1043, we, Chamberlain Group, hereby request Class II permissive change. In support of this request the following is stated: The modification consists of a change from a tilt switch mechanism in the Door Sensor to an accelerometer mechanism. The board layout and assembly number change (from 001D8628-1 to 001D9225-1), the radio circuit is identical, and there is an added microchip, with a different clock frequency as another unintentional radiator. Also in support of this request, the following is provided: 1. Updated Schematic with BOM 2. Updated Block Diagram 3. Updated Internal Photo’s 4. Report of measurements 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 Drive, Oak Brook IL, 60523


Document Created: 2018-07-02 15:53:43
Document Modified: 2018-07-02 15:53:43
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