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370LM / 371LM / 373LM LiftMaster Remotes

The 370LM keychain, 371LM 1-button, and 373LM 3-button remotes are 315 MHz Security+ remotes. They work with LiftMaster, Chamberlain, Craftsman, and matching Raynor openers that have a purple Learn button (about 2005 to 2014). They are the same radios as Raynor 370RGD, 371RGD, and 373RGD. A current replacement for most of these openers is the L993M. The download below is the instruction PDF.

Compatibility

LiftMaster 370LM keychain remote — 370LM

Compatible LiftMaster and Chamberlain operators: 315 MHz Security+ openers with a purple Learn button, including 1345, 1346, 1355, 1356, 3110, 3130, 3220, 3240, 3245, 3255, 3265, 3270, 3280, 3500, 3575, 3585, 3595, 3800, and 3850. Also compatible with receivers 355LM, 365LM, and 312HM.

Replaces these older remotes: 370RGD, 371RGD, and 373RGD (same radios with Raynor printing).

Compatible Raynor opener models: Admiral (3850RGD), Airman (3270RGD), Aviator (3280RGD), Endeavor (3585RGD), Commander (3220RGD), Commander II (3240RGD), Corporal (3255RGD), Navigator (3245RGD), Pilot (3265RGD), and Prodigy (3800RGD).

Not every compatible opener or replacement remote is listed here. A current 3-button replacement for purple Learn openers is the L993M.