LiftMaster Remotes

Security+ 315MHz 2005-Present    PURPLE learn button.
    371LM 1 Button
     372LM 2 Button
     373LM 3 Button
     373P Premium 3 Button
     370LM 3 Button Mini
     377LM Wireless Keypad

Security+ 390MHz 1997-2005    ORANGE learn button.
     971LM 1 Button
     972LM 2 Button
     973LM 3 Button
     970LM 3 Button Mini
     976LM Wireless Keypad

Billion Code 1993-1997    GREEN learn button.
    81LM 1 Button
     82LM 2 Button
     83LM 3 Button
     64LM 3 Button Mini
     66LM Wireless Keypad

Dip-Switch 1984-1992    9 switch only.
    61LM 1 Button
     62LM 2 Button
     63LM 3 Button
     64LM 3 Button Mini
     66LM Wireless Keypad