Linear DR2 Receiver is a 2 channel wireless radio receiver that can be used to actuate with 2 different garage / gate operator units. Operates at 310MHz with 8 dip switches. Can be activated by any Delta-3 format transmitter.
Linear DRA 1-Channel 12-volt Receiver is a small economical unit designed for commercial gate and door access control. It is compatible with solid state control boards. Upon receipt of a properly coded signal from a transmitter, it provides a switch operation for both NO and NC circuits. Any Delta-3 transmitter may be coded to activate this receiver, and any number of transmitters may be used to operate this receiver.
The Linear GRD replaces two different Linear gate receivers, the DRG and the DRG-LV. The GRD is a digital receiver designed for use with automatic gate operators or systems where a remote antenna is needed. Uses Delta-3 radio format, with 250 codes, set by dipswitch.