Delta-3 Receivers 310MHz24-volt, single-channel, three-terminal Delta-3 receiver, 256 selectable codes.Activates one deviceWire lead antenna12 and 24 Volt modelsMounting bracket suppliedPower: 24 VAC/VDCCodes: 256 (set by dip switches)RF frequency: 310 MHzDimensions: 5.5" W x 4" H x 1.25" D