Panasonic Expandable Digital Cordless Dect 6.0 Phone System (KXTG8232B) The Panasonic KX-TG8232B DECT 6.0 Expandable Digital Cordless Phone System with Two Handsets uses the latest DECT 6.0 (Digital Enhanced Cordless Telecommunications) technology for outstanding range and clarity. It operates on the 1.9 GHz frequency for less interference from household items such as wireless networks, keyboards, and microwaves, and is less susceptible to eavesdropping. Two handsets are included and up to four additional handsets can be used with the base unit without any need for wires or setup.