This Dolphin Wireless Keypad is COMPATIBLE with Linear DTKP is compatible with the following products: -Linear Delta 3 Remotes: DT, DTC, DTC, DTA, and DNT00002A, as well as Moore-O-Matic and Ultra Lift Garage Door Remotes. -Linear Delta 3 receivers: DR, DR3A, DR-2, DR-4, DRA, DRA-4, DRM, DRQP, GRD, and GRD-2.