Come for the callsign lookup. Stay for the repeaters.
Note: Radio-specific information on this page is provided as a general guide. Always refer to your radio's manual for accurate menu options, settings, and specifications. If you spot an error, let us know on the forum.
The Radioddity GM-30 (also sold as the GM-30 Plus) is a compact GMRS handheld radio that combines a small form factor with modern conveniences like USB-C charging. It is a practical choice for operators who want a pocketable radio for everyday carry, family outings, or as a backup to a mobile setup.
The GM-30 stands out among GMRS handhelds for its compact size and USB-C charging port. While many budget handhelds still require proprietary charger cradles, the GM-30 charges with the same cable you use for your phone. The radio is noticeably smaller and lighter than many competitors, making it easy to clip to a belt or toss in a bag. For the price, it delivers a clean design with the features most GMRS operators actually need.
Good backup radio: The GM-30's compact size and USB-C charging make it an excellent backup to keep in your glove box or go-bag. It charges from any USB-C source - a portable battery pack, your vehicle's USB port, or a wall charger - so keeping it topped off is easy.
CHIRP support for the Radioddity GM-30 may be limited or experimental. Before purchasing a programming cable, check the CHIRP supported radio list for the latest compatibility status.
If CHIRP does not support your specific model or firmware version, the radio can be programmed using Radioddity's CPS software, available from the Radioddity website. The radio's built-in menu also allows manual channel programming without a computer.
For a general overview of computer-based radio programming, see the Programming with CHIRP guide.
Whether using CHIRP or Radioddity's CPS, these standard GMRS values apply:
The GM-30 sits a step above the Baofeng UV-5G and GM-15 Pro in build quality and menu design. Against the UV-5G, it is more pocketable and charges via USB-C. Against the GM-15 Pro, it trades NOAA weather channels for a more compact and polished package. Choose the GM-15 Pro if weather alerts are a priority; choose the GM-30 if everyday carry size matters more.
The GM-30 excels as an everyday carry handheld or a dedicated backup radio. Its small size means you will actually keep it with you - ideal for hiking, skiing, festivals, and any situation where minimal footprint matters. It also works well as a second radio for a family member who does not want to carry a full-size handheld.
When range becomes the bottleneck - particularly for repeater work or hilly terrain - a mobile radio is the natural next step. The Radioddity DB20-G or DB25-G paired with a vehicle antenna will dramatically expand your reach. At 20–25W into a proper antenna, you will access repeaters that a 5W handheld simply cannot hit.