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  • Getting The Most Range From Your Radio

    Hiking through the mountainsUpdated March 25, 2021
    One question that we are frequently asked is "how can I get more range out of my two way radio?" In the case of consumer FRS and GMRS radios, the amount of range you can expect is usually not even close to what the manufacturers advertise. There are, however, several things that you can do to be sure you are getting the most range possible from your radio.

    Whether you have an FRS or GMRS radio, be sure that you are using it on a higher power channel at its highest allowable power setting. Most of the old consumer FRS/GMRS combo radios support 22 channels at a maximum transmit power of less than 2 watts. As a result of the FCC rule changes in 2017, this reclassified these models as FRS walkie talkies. If the radios are above 2 watts, they are now considered GMRS radios. This means the old FRS and GMRS channels are now shared by both services.

    However, it is important to note that GMRS radios require a license to operate, while FRS radios are licensed by rule, i.e. no license is required. This means your range is not only determined by how much power you apply, but how much power you are allowed to use.

    There is one more caveat. The Federal Communications Commission (FCC) does not allow transmission on channels 8-14 at more than half a watt of power. This means that if you are on one of those channels, your radio will only transmit using "low power" mode, no matter which service your radios fall under.

    To put it simply, for maximum power, use channels 1-7 or 15-22.

    Most consumer radios support two or more power modes. To get the most range, be sure that you are using high power mode on the channels that allow it. Lower power modes will not use all of your radio's possible output power and will reduce range.

    Be sure to fully charge your battery. The transmission power of a two way radio tends to weaken if the battery is low. Always be sure your batteries are fully charged before using your radios, especially if you will need maximum range.

    If you are using a GMRS radio and the antenna is removeable, consider upgrading the antenna. Most "bubble pack" GMRS radios do not have removeable antennas, in which case there is not much you can do about it. Professional grade GMRS radios such as the extremely popular Wouxun KG-805G and KG-905G do allow you to remove and swap the stock antenna for one that is more finely tuned to GMRS frequencies, thus increasing range considerably. The Nagoya NA-701G and NA-771G are two notable examples of high performance antennas for portable handheld GMRS walkie talkies. Both are extremely popular with GMRS operators.

    Finally, if you still find yourself pushing the range limits of your radio you can try the "monitor channel" feature. Enabling this feature will cause the radio to open the channel, allowing you to hear static and transmissions too weak to be received by the radio in normal mode.

    Related Resources
    GMRS Radio Range Chart
    30 Miles? The Truth About Range
    The Two Way Radio Show TWRS-05 - Radios in Range
    The Two Way Radio Show TWRS-45 - The Truth About GMRS Radio Range
    Radio 101 - The truth about FRS / GMRS two way radio range
    How To Optimize Range for Motorola Talkabout Two Way Radios

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