Scanner has 2 channels with real time radar maps and arrival/departure listings for two major airports. Police, EMS, railroad, ham radio, commercial boating, or NASA mission center can be tuned in at a click of a button. A must for new radio scanner or old listeners alike. Small compact size lets you run it while working on other software. If you love SSB or HAM radio but cannot afford one, this is for you. This is an online live streaming scanner.