FRS / GMRS Frequencies
License Free Radios (FRS/GMRS North America)
Family Radio Service - FRS
U.S. license free radio service. FRS Specification has been adapted by Canada, Mexico, Brazil. Radio equipment used on this service must be certified by local authority, FRS radio purchased in Canada may not be used on FRS in Mexico. in 2004 Canada approved use of General Mobile Radio Service with limitation of 2 watts radio output as a license free service.
Multi-Use Radio Service - MURS
VHF Citizen Band in U.S., Narrow FM, 5 channels, Maximum 2 watts radio output. External antenna can be used with limitation of the height.