LiftMaster 423LM Three-Channel Coaxial Receiver - 390MHz emergency The smartphone communicates with the

The smartphone communicates with the reader

compatible with standard single-gang electrical boxes

The LiftMaster 971LM is a single-button remote control designed for secure operation of one garage door or gate

low-profile electric strike solution for integrating electronic access control with existing cylindrical locks

Mounting Options: Flexible placement near operator head

LiftMaster 423LM Three-Channel Coaxial Receiver - 390MHz emergency The smartphone communicates with the390MHz Three Channel Universal Coaxial Receiver The LiftMaster 423LM is a three channel universal coaxial receiver designed for commercial and industrial applications. Operating at 390MHz, this receiver allows control of up to three garage door or gate operators using multi button transmitters. It supports Open, Close, and Stop commands for each channel, ensuring versatile and secure operation across a wide range of LiftMaster and compatible systems.