LiftMaster Tri-Code 1 Channel Commercial Receiver TCG-1

Single-channel commercial receiver
1 x 10 pole DIP, 3-position slide switch
Weather-resistant housing; suited for outdoor applications; quarter-turn screws for quick and easy programming
1 Channel with 4 wired leads (3ft.)
2 Channel with 6 wired leads (3ft.)
1 NO relay rated at 24V AC/DC at 10A
The receiver and antenna use a TV Type F coaxial connectors. The antenna can plugged directly onto the receiver or mounted to a bracket and connected to the receiver with Model 86LM Coaxial Cable Kit
Includes Receiver, Antenna, Wire and Instructions.