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What Is The Transmitter Button On Garage Door Opener? [Solved]

The fob that you carry on your keychain or use to open the garage door is actually a small radio transmitter. When you push a button on the fob, you turn on the transmitter and it sends a code to the receiver (either in the car or in the garage).

Programming a New transmitter to the Motorhead

Programming a New

Digi Code 2 Button Garage Door Opener Keychain Transmitter DC5072

The Digi-Code DC5072 2-

B&D Control A Door Power Drive remote erase & RE coding

B&D Power Drive & Roll-A-Pro® Rolling