What the best two-way radios have

  • Privacy codes to minimize overlapping conversations. Two-way radios typically have 22 Family Radio Service (FRS) and General Mobile Radio Service (GMRS) channels. Most also have privacy codes, which further partition each channel and make it less likely that others will overhear your conversation. When using privacy codes, you can only communicate with somebody that's using the same channel and privacy code.
  • Large, easy-to-use buttons. Large buttons that are easy to find and manipulate, even while wearing gloves or in the dark, are critical for a good user experience.
  • Voice-activated transmission (VOX). This feature, which all radios discussed in this report have, allows for hands-free usage, with or without a headset. Some parents use this feature to turn their two-way radios into improvised baby monitors.
  • Channel scanning. This feature scans through all channels or through a preset selection of channels, making it easy for you to find and join ongoing conversations.
  • A low-battery alert. Depending on the model, some alerts are audible and some are visual.

Know before you go

What transmission range do you need? Remember to take obstructions and topography into account. Expect actual transmission range to be 20 percent or less of the advertised range -- sometimes it's much less. Rolling topography, tall buildings and dense foliage further reduce a two-way radio's viable operating range.

Do you need a license? If you want or need to transmit at more than half a watt -- or if you want to be heard more than half a mile away -- you'll probably need to use GMRS channels, in which case you need a license from the Federal Communications Commission (FCC). You can apply for a license online at the FCC website. Licenses cost $85 and are good for five years.

Will you be using the radios in wet conditions? If you suspect you'll be using the radio in situations where it's likely to get wet -- on a lake or in the rain, for example -- buying a waterproof radio (or at least a water-resistant one) is a good idea.

Will you be traveling in remote locations for long periods? If you will be using your two-way radio for extended periods, consider purchasing a model that accepts alkaline batteries as well as a rechargeable battery pack. Alkaline batteries typically provide more run time than rechargeable battery packs, and you can swap them out for spares if needed.

Will children be using this radio? Large, easy-to-press buttons are helpful for adults, but they're even more important for small children.

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