The Family Radio Service (FRS) and General Mobile Radio Service (GMRS) are both radio services available to the public in the United States and other countries. FRS requires no license at all; just buy a FRS radio and use it. FRS radios are limited to 2.5 watts on most channels, and 0.5 watts on channels 8-14. GMRS, on the other hand, requires a $35 license. There is no test involved; the person simply applies to the FCC, pays the $35 fee, and receives a license that is valid for 10 years: fo...