The 811LM remote has been discontinued and replaced with the new 811LMX remote.
LiftMaster 811LM Single Button Remote ControlSpecifications:
- Universal DIP Single-Button Remote Control
- Encrypted DIP style single-button remote control
- Features Security+ 2.0™ technology
- Ideal for applications such as gated communities or commercial applications requiring a large number of remotes for a common entrance
- Dual 12-position DIP programming offers up to 4,096 codes
- Narrow band transmission on 3 simultaneous frequencies (310, 315, 390 MHz)
- Compatible only with Security+ 2.0™ commercial receivers and operators
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