The Infinity P-777 radio desgined by and for first resopnders is a full-feature, 128-channel, field programmable radio. The radio meets the needs of interoperability and its features include a backlit LCD and keys, English voice annunciation of channels, longer batter reserves and more. It provides users between 10 and 18 miles further radio to radio coverage than other radio systems. And a full 4 watts of audio punches through background noise in the field.