Utilizing the latest technology, the AT&T 5.8 GHz telephone has increased sound quality, enhanced range and heightened security. By using the less-cluttered 5.8 GHz frequency, this telephone offers a clearer, more intelligible signal than older phones operating on lower bandwidths. EP5962 5.8 GHz Cordless Telephone offers the best available performance, enhanced features and the AT&T quality that you have come to know and trust.