Linear DR3A - Garage or Gate Receiver by Linear 310Mhz,compatible with the DT,DTC,DTD remotes and DTKP Keylesss entry Compatible Remotes: Carper 310, Linear DT2A, Linear DT4, Linear DTC, Linear DTKP, and Linear LB Compatible with transmitter models DT, DTC, DT2A, DT4A, and LB