Factory default mode frequency range is 144-148MHZ and 420-450Mhz.
Receiver Frequency Range:
VHF: 136-174MHz
UHF: 400-490MHz. Transmitter Frequency Range 144-148/420-450MHZ, 500 channels by yourself through programming software. FREE software download at website.
The Radio Power: UHF>18W, VHF>20W
Please send us (Seller) email if you have any query on programming software or other query on this radio. We will give you prompt reply when we get your questions