This three-channel receiver is perfect for controlling automatic gate operators or commercial doors.

423LM LiftMaster Garage Door Opener Receiver for Three Garage Door Openers
The 423LM Receiver Is Used to Replace Older External Receivers.
The universal receiver model 423LM can be used to operate three residential garage door openers.
The remotes that can be used are 61LM, 62LM, 63LM, 64LM.
Code switch remote controls are used when several persons are operating the same device.
The code switches must be set to matching positions in all remotes used to operate the same receiver.
The receiver and antenna use TV Type F coaxial connectors.
The antenna can be plugged directly into the receiver.
The model 86LM coaxial cable kit for extended range can also be used.

Specifications:
Output Rating - 5 Amps 28VAC or DC Max Power - 18-30V, 30mA, 60Hz
If the power is other than shown in specifications, accessory transformer model 95LM is required.
Model 86LM coaxial cable kit is also available.
Programming Instructions Are Included with Your Order
Ships The Next Business Day!