Compatible with the following Uniden DECT 6.0 Phone Systems: D2280, D2280-2, D2280-3, D3280, D3280-2, D3280-3, D3288, D3288-2, D3288-3, DECT3080, DECT3080-2, DECT3080-3, DECT3080-4, DECT3080-5, DECT3080-6, DECT3181-2, DECT3380-3R, DECT3380-4R, DECT3380-5R, DECT3380-6R, DECT4066, DECT4066-2, DECT 4066-3, DECT4066-4, DECT4066-5, DECT4066-6, DECT4086, DECT4086-2, DECT 4086-3, DECT4086-4, DECT4086-5, DECT4086-6, DECT4096, DECT4096-2, DECT 4096-3, DECT4096-4, DECT4096-5, DECT4096-6, DCX220, DCX300, DCX320, DCX330, DCX400, DRX332, DRX402, DWX337, WXI3077, WXI3077-2, WXI3077-3, WXI3077-4, WXI3077-5, WXI3077-6