The LiftMaster 811 LM Universal DIP Single-Button Gate and Garage Door Remote Control from North Shore Commercial Door has all the attributes you want in a remote control. IC:2666A #K743 and FCC # HBW6114 does this help? Product Manual. Liftmaster 811LM DIP Switch & Smart Learn Single Download Manual for Model 1021499A CRAFTSMAN GARAGE DOOR OPENER^.Sears PartsDirect has parts, manuals & part diagrams for all types of repair projects. Download Manual for Model 1021499A CRAFTSMAN GARAGE DOOR OPENER^.Sears PartsDirect has parts, manuals & part diagrams for all types of repair Chamberlain Group (CGI), the corporate parent company to LiftMaster, Chamberlain, Merlin and Grifco, is a global leader in access solutions and products. We design and engineer residential garage door openers, commercial door operators and gate entry systems. Chamberlain Group, Inc. Chamber Remote Controller IC:2666A #1573 FCC ID:#HBW1573 (Assembled In Mexico 41A6127-1) 4.5 out of 5 stars 16. $20 4 Button 315mhz Garage Door Opener Remote Control for Chamberlain Craftsman LiftMaster Sears 370LM 371LM 372LM 373LM 374LM, 953/950CD/HBW1573 Compatible FCC ID application submitted by Chamberlain Group Inc, The for Remote Control Transmitter for FCC ID HBW1573 ( HBW 1573 ) User Manual, Frequency, Reports, Images and more. FCC ID HBW1573 Remote Control Transmitter by Chamberlain Group Inc, The Liftmaster garage door opener and radio YOUR SINGLE SOURCE N/NW Chicago and suburbs All manuals provided at NO CHARGE in pdf format. Skip to main content Liftmaster Garage Door Opener Manuals. Main navigation. Show — Main navigation Hide — Main navigation-- HOME --SEARCH here; Spring The LiftMaster Chamberlain 41DB002-2 garage door opener circuit board is compatible with LiftMaster 3850 Elite Series Belt Drive systems. To ensure your system is compatible with the 41DB002-2 circuit board, please reference the Chamberlain LiftMaster Circuit Board Compatibility Chart. 1/2 hp Chain Drive