This exquisite scanner has 500 letter-marked channels, a convenient compact design, and versatile functions. The Close Call RF capture technology immediately tunes to the signal of a nearby transmitter, and the Do Not Disturb mode prevents the call check from being closed during transmission.Listening to more than 40,000 frequencies, you can listen to civilian and military bands, including non-digital police, ambulances, fire, weather, navy, aircraft, railways, civil aircraft, amateur radio services, and racing events.It is very easy to find the channel you want to listen to through 500 Alpha-Tagtag channels. The 500 channels are divided into 10 repositories. Organize channels by department, location, area of interest, or any other way. Alpha Tagging allows you to assign names to channels, so you can track who you are listening to.Lightweight and portable design, carry this Bearcat handheld radio scanner when you go out or out. It has a variety of functions, even in low-light conditions, the orange backlit display is easy to read.Easy-to-use presets for the most popular searches, start listening immediately. The frequency is preset in 10 independent non-digital police/fire/emergency, ham, marine, railway, civil aviation, military aviation, CB radio, FRS/GMRS/MURS and racing search frequency bands. This makes it easy for you to find channels of interest.Excellent handheld scanner (please note: model BC125AT is not suitable for relay or digital radio system monitoring (e.g. item 25, DMR, NXDN). Some police/fire/emergency/public safety agencies in big cities are transforming into digital relays System. If you live in the area of a relay or digital radio system, you need to upgrade to a Uniden digital model ("D" represents a number), such as model BCD436HP, BCD536HP, BCD996P2, BCD325P2 or HomePatrol-2.