Uniden Accessory Handset for DECT Phones (DCX150) additional handset uniden dcx150 additional handset dect 1500 series handset DECT 6.0 Technology Interference Free from all devices Wireless Network Friendly DECT1500 Series Accessory Handset Works with DECT1500, 2000, 2100, 2900, and 3000 series