300 channels *Vhf low/high, uhf frequencies *Close call RF capture Technology with do Not disturb *Pc programming port & free software *Narrow band compatible *300 Channels: You can program up to 300 channels into the scanner s memory, 30 channels in each of 10 banks. Then, you can scan for transmissions on the stored channels *Close Call RF Capture Technology: Close Call automatically detects and tunes to nearby transmissions, even if the frequency isn t programmed into a channel *Runs on 2 AA alkaline or Simple USB charging allows you to recharge your scanner s batteries from a computer, or adapters for many wireless telephones *Narrowband Compliant: Properly tunes to channels using the Narrowband modulation now required for business and public safety operation *Ten Preprogrammed Service Search Bands: Easily search for frequencies typically used by Police, Fire/Emergency, Marine, Racing, Civil Air, Ham Radio, Railroad, CB Radio, Weather, and more *Refer user manual below.