Old tech may be about to shape the future of public radio in the U.S., thanks to a fresh look at the radio frequencies once used by cordless landline phones. While cordless handsets themselves have largely disappeared—replaced by smartphones and modern wireless systems—the airwaves they relied on are still sitting in regulatory limbo. Now, recent FCC activity suggests those long-overlooked frequencies could be headed toward a comeback with real-world benefits, especially for personal communication and emergency preparedness.
Today, most consumer-accessible two-way radio use in the United States is concentrated in the UHF range, particularly the spectrum that supports GMRS (General Mobile Radio Service) and FRS (Family Radio Service). That chunk of spectrum mainly spans 462.5500 MHz to 467.7250 MHz and powers everything from off-road convoy radios to family walkie-talkies.
But another slice of spectrum—VHF Low Band frequencies historically tied to older cordless phones—has been severely underused for years. In particular, the 46 MHz and 49 MHz ranges were once common in everyday household devices. Even though the gadgets have faded into history, the regulatory status around those frequencies hasn’t evolved much, leaving potentially valuable spectrum effectively locked away.
A petition submitted to the FCC last year aimed to bring attention to this inefficiency and encourage the agency to reconsider how these frequencies are classified and whether they could be made available for broader public use. The latest development: the FCC has adopted a Direct Final Rule that removes 46 MHz from its current classification. That doesn’t automatically mean the public will be able to use 46 MHz for GMRS or FRS tomorrow, but many radio operators view it as an important early step—one that signals the FCC is at least willing to revisit outdated allocations and consider modernization.
Why the excitement over VHF Low Band? It comes down to how radio waves behave. Compared with UHF, VHF signals have longer wavelengths that can perform better across rolling terrain and in heavily wooded areas. Those characteristics can matter a lot when cell towers are down and communities need basic, reliable ways to communicate. Supporters argue that opening VHF Low Band for personal and emergency communications could improve resilience during natural disasters, when getting a signal through dense forests or over uneven ground can be the difference between reaching help and being cut off.
There’s still a major piece missing, though. While 46 MHz is now seeing movement, 49 MHz—another frequency associated with older consumer devices, including some baby monitors—has not yet been reclassified. Because of that, the petition is reportedly being updated to urge the FCC to consider both frequencies together, potentially expanding the impact and giving the public more room for dependable two-way communication.
Nothing is guaranteed yet, and the process could take time. Still, for anyone interested in emergency communications, off-grid radio, or simply smarter use of public spectrum, the renewed attention on cordless-phone-era frequencies is a reminder that “obsolete” technology can still have a valuable role—especially when it comes to building stronger communication options for the next disaster, not the last one.
