ChatterBox FRS Multisport Communicator Kit - Full Face/-- Available in both Open and Closed Face Kits.The Chatterbox FRS with up to two full miles of range is our best selling unit. We call it our Multi Sport communicator because its uses are endless. The FRS uses frequency modulated (FM) transmission for crystal clear communication and its voice activated for super convienience. Our state of the art electronics and shock resistant casing make the FRS not only reliable but strong enough to withstand tough off road riding conditions.