GMRS blister-pack radios can't have their antennas modified (per FCC) because they're also meant to be used on FRS freq's. I doubt you could get them to work with a repeater, also.<BR><BR>Your ...

GMRS radios typically have a range of up to four or five miles – but with a system of nodes (think base stations) and a couple of repeaters, the range multiplies.

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