Available in variety of models, 1144 Series can serve as access control credential, panic, or arming/disarming transmitter. Models range from simple single-button key fob to multi-functional 4-button model, and versions with built-in proximity patches for access control. Fobs are compatible with DMP 1100 Series Wireless Receivers and Repeater, as well as XTL, XT50, and XR150/XR550 Series control panels.