Part of our The Evolution of Amateur Radio timeline series.
Not everyone who wants a two-way radio wants to study for an amateur license or learn Morse code or memorize band plans. The FCC recognized that gap decades ago, and GMRS is one of the results: a licensed service on UHF frequencies near amateur’s 70cm band, built specifically for families and short-distance personal communication rather than the broader technical hobby amateur radio represents.
GMRS actually predates 1987 by decades
The date on this post marks when GMRS took its modern, individual-license form, but the service itself traces back much further. In the late 1940s, the FCC created the Class A Citizens Radio Service on the 460 to 470 MHz UHF band, running wideband FM with tube-type transceivers limited to 60 watts of plate input power. A companion Class B service used a different set of 461 MHz channels at just 5 watts and was open to business licensees as well as individuals. Through the 1960s and 70s, the FCC narrowed the channel spacing to fit more users into the band, doubling capacity, and bumped power limits back up to 50 watts. Repeaters started appearing on the service in the 1980s, not coincidentally around the same time HF CB radio (Class D) had become so congested with unlicensed operators that it was nearly unusable for serious two-way work, pushing people who wanted reliable range toward the UHF alternative.
How Class D CB, GMRS, and FRS all relate
It’s easy to lose track of how many personal radio services actually descend from the same regulatory family tree. The Class D Citizens’ Band most people know as simply CB radio, the familiar 27 MHz service, was created separately in September 1958 on 23 channels carved out of the old amateur 11 meter band, and it’s a completely different frequency range from GMRS’s UHF home. GMRS is the direct descendant of the old Class A UHF Citizens Radio Service, while FRS, which launched a decade after GMRS took its modern form, is a much more distant relative of the old Class B service. All three, GMRS, FRS, and CB, technically fall under the same broad Citizens Band Radio Service umbrella in FCC rulemaking history, even though in practice they operate on completely different bands with completely different equipment.
A UHF neighbor to amateur radio
GMRS operates around 462 and 467 MHz, in the same general neighborhood as amateur radio’s 70cm allocation, but it’s a completely separate FCC service under Part 95 rather than Part 97. There’s no exam required, just a license application and a fee. Where amateur radio requires learning electronics theory, regulations, and operating procedure, GMRS was built to be accessible to anyone who just wants reliable two-way communication with their family.
What the license actually covers
A single GMRS license doesn’t just cover the individual who applies for it. It extends to that person’s immediate family, spouse, children, grandchildren, stepchildren, and in-laws, all operating under one call sign. That family-wide coverage is a fundamentally different model from amateur radio, where every operator needs their own individual license and call sign. In 1987, business licensing on GMRS was largely discontinued as the FCC shifted the service toward personal and family use, though a small number of businesses licensed before that cutoff were allowed to keep renewing.
Modernized in 2017
GMRS got a significant update in 2017, when the FCC allotted additional interstitial channels in the 467 MHz band shared with FRS, extended the license term from 5 years to 10, and allowed limited data applications like text messaging and GPS location information. Those changes brought GMRS much closer to how families actually use radios today, especially for outdoor recreation and emergency preparedness.
Where GMRS stands today
GMRS has grown into one of the most popular personal radio services in the country, with 577,326 active licenses on file with the FCC as of this writing, and since each license covers a whole family, the real number of users is considerably higher. It’s become a go-to recommendation for family and neighborhood emergency communications, precisely because it offers more power, better range, and repeater access compared to the license-free service that came next: FRS.
Sources
- General Mobile Radio Service (GMRS), FCC.gov
- General Mobile Radio Service, RadioReference Wiki
- CB Radio in the United States, Wikipedia
Previous: 70cm and the repeater boom. Next up: 1996, when FRS launched.