The most recently adopted cordless telephone frequency, DECT 6.0 frequency band cordless phones are completely free of interference found in older models. 5.8 GHz phones still offer a very low amount of interefence with short wavelengths that cover a room with signal the quickest and most effectively. Telephone Warehouse features the best selection of new cordless phone models such as the Uniden Waterproof phone, the multi-function, text-message-capable VTech and more!