977LM

LiftMaster Security+ 390MHz Wireless Keyless Entry System

NO LONGER AVAILABLE. Use 877MAX.


  • Compatible with LiftMaster Chamberlain Sears Craftsman and Chamberlain Brand Security+ door openers ONLY. 390 Frequency.
  • Works with openers manufactured between 1997-April 2005.
  • Rolling Code, Security +, orange or amber learn button, 390 frequency.
  • Battery operated, NO wiring required.
  • Lighted Keyboard and Flip-Up cover.
  • Battery, Screws and Instructions included.
  • Older part number 976LM.
  • See Remote Controls for more information.
  • Compatible with the following remote control model numbers:
    • LiftMaster: 91LM, 92LM, 94LM, 96LM, 971LM, 972LM, 973LM, 974LM, 970LM
    • Chamberlain: 950CB, 953CB, 956CB
    • Sears/Craftsman: 139.53681, 139.53680






Contact Us!


We have been in business since 1981 and have a very extensive knowledge in 977LM LiftMaster Security+ 390MHz Wireless Keyless Entry System and anything related to garage door opener systems. Feel free to contact Kevin with any questions you might have @ 1-480-247-2094 or use the online form below.










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