Communications System & Scanning Radio! State-of-the-art engineering and advanced electronics provide you with a preprogrammed information radio designed for easy operation and dependability. With the BCT7 Scanning Radio, you can listen to thousands of Highway Patrol, police, and DOT frequencies, as well as Fire, News, Weather, CB and Private frequencies you program. Plus, the new built-in technology sounds and alarm when you are within an approximate 3 mile radius of a highway patrol unit!Best of all, you dont have to program any frequencies. Just set the BCT7 for your state, and the scanner will do the rest.