Multicode 109020 single device 300 Mhz reciever (Stanley)
The Model 109020 1-Channel Receiver residential garage door operator receiver
The receiver is programmed with a 10-position coding switch. When a Multi-Code transmitter set to the same code is activated, the receiver's output will activate, triggering the door operator.
The Model 109020 is compatible with 300 MHz Multi-Code transmitters only.