Chatterbox introduces our most technologically advanced unit ever. We took our most powerful communicator and combined it with our most sophisticated features to create the most powerful (up to 5 miles) unit on the market. The GMRS X1 has a large illuminated display and is VOX (voice activated) or PTT (push to talk) with a built in intercom for talking to a passenger. Other features include cellular phone input (*call for compatibility), audio input with full stereo sound, radar detector, and voice prompted GPS input. All of these features packed into a tough water resistant casing.