The BC72XLT scans up to 100 channels in 10 banks and with Unidens Close Call RF Capture Technology the BC72XLT will instantly tune to signals from nearby transmitters so you are never out of touch and Uniden Scanners are optimized to provide the best coverage at the track. The BC72XLT covers 25-54, 108-174, & 406-512MHz. Uniden, building a world without wires.