Note: The latest equipped factory firmware is V06.03.009. You don't need to update the firmware if your radio's firmware is V06.03.009. Professional GMRS Handheld Radio - 30 default channels (22 CHs for communicating with other FRS/GMRS radios right out of the box and 8 for GMRS repeaters). 250 channels in total, supports PC and keypad menu programming so you can easily add new channels and change settings on the go. Dual-Band Receiver & Scanner - The GM-30 allows you to receive and scan on UHF & VHF channels in either CH/VFO mode, not just limited to GMRS channels. Scanning options include precise frequency range scanning, channels scanning and CTCSS/DCS scanning.