A GMRS pair, and the range you can walk
Transmitting on GMRS needs an FCC license, and the 36 mile listing is an open-terrain maximum.
The Midland GXT1050VP4 is sold as a GMRS pair. In the US, transmitting on GMRS needs an FCC license. One license covers you and your immediate family, and there is no exam. The listing says up to 36 miles. That is an open-terrain maximum. Reviews on the same page split, and some people report well under a mile. Each radio takes the included rechargeable pack or 4 AA cells. Program one channel, walk until the other radio drops out, and write that distance down.
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