The LiftMaster 813LMX is a three-button handheld transmitter built for Security+ 2.0 systems and engineered with Encrypted DIP programming for commercial and high-traffic applications. Designed to control up to three doors, gates, or receiver channels, it delivers Secure rolling-code performance with tri-band radio operation to help cut through RF interference and maintain dependable range in busy environments. This remote is a smart replacement part or upgrade for facilities that need consistent multi-door control—such as warehouses, parking structures, gated communities, and mixed-use properties—while preserving the convenience of DIP-based fleet management.
As a Security+ 2.0 Encrypted DIP remote, the 813LMX is intended for LiftMaster operators and commercial receivers that specifically support Security+ 2.0 Encrypted DIP credentials. Typical operation uses the internal DIP switches to define the credential, then enrollment to the compatible receiver or operator; each button can be set and learned as an independent channel. It operates on Security+ 2.0 tri-band radio (310/315/390 MHz) and is generally powered by a 3V CR2032 coin-cell battery. This model is not compatible with legacy LiftMaster/Chamberlain non–Security+ 2.0 radios (older red/orange/purple learn-button systems or fixed-code 390 MHz DIP remotes). For safest operation, enroll and test the transmitter per the operator/receiver manual, keep remotes out of reach of children, and verify compliance with site safety requirements for residential/commercial garage doors and automated gates.
