AnyTone Smart 10 Meter Radio can Convert into 11 Meter CB Radio Kit 40 Channel for Truck EASY TO MODIFY FOR CB RADIO USAGE The default frequency 28.000-29.700Mhz (10 meter Radio) if you need it to be CB Radio, to remove soldering will change the radio to 25.615-30.105Mhz(OP1 grounded) or 26.965-27.405 mode(OP1 and OP2 both grounded) GREAT LITTLE RADIO Modulation Mode:AM/FMIt sounds very loud and very clear. Great super small CB radio It is good for fitting in any vehicle or radio shack or atv.It is great for a holiday road trip or for local traffic reports. .Power output:8 Watts FM/AM. Please send the email to seller (us) if you need the instruction documents for changing 11 meter Radio cb radio band 4.Frequency Control:PLL Synthesizer With push-to-talk/UP/DN and coiled cord.AnyTone Smart 10 Meter Radio can convert into 11 meter CB Radio Kit 40 Channel for truck WARRANTY 1 year warranty. Money back if you are not satisfied with it in 1 month. Please feel free to contact with us if you have any query. We will give you prompt reply and good after service