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. And we will work with you to resolve it to your satisfaction. The item "Hand Held Scanner Digital Radio Air HAM Marine Weather AA 300 Channels" is in sale since Friday, April 14, 2017. This item is in the category "Consumer Electronics\Radio Communication\Scanners". The seller is "wallcart" and is located in Multiple Locations. This item can be shipped to United States.