The IC-450 80 Channel UHF CB is the replacement model of Icom IC-440N and features all controls on the speaker microphone so that you can hide the radio out of sight. Very convenient when you are short of space. The speaker microphone has a large easy-to-see display. IC-450 is 80 Channel Next Generation UHF CB with 5-year warranty . gets mounted in other positions, such as on a vehicle fender or bull bar, the elevated feed design places a large portion of the antenna above the vehicle cabin, providing good all round performance regardless of mounting position.