GMRS operates in the Ultra-High Frequency Band, otherwise known as UHF. GMRS is allotted 30 channels—16 main channels and 14 interstitial channels.
credit: https://midlandusa.com/why-gmrs-for-two-way-radio-communication/
(a) 462 MHz main channels. Only mobile, hand-held portable, repeater, base and fixed stations may transmit on these 8 channels. The channel center frequencies are:
- 462.5500
- 462.5750
- 462.6000
- 462.6250
- 462.6500
- 462.6750
- 462.7000
- 462.7250
(b) 462 MHz interstitial channels. Only mobile, hand-held portable and base stations may transmit on these 7 channels. The channel center frequencies are: 462.5625, 462.5875, 462.6125, 462.6375, 462.6625, 462.6875, and 462.7125 MHz.
(c) 467 MHz main channels. Only mobile, hand-held portable, control and fixed stations may transmit on these 8 channels. Mobile, hand-held portable and control stations may transmit on these channels only when communicating through a repeater station or making brief test transmissions in accordance with §95.319(c).
Commonly called “Repeater Inputs”, The channel center frequencies are:
- 467.5500
- 467.5750
- 467.6000
- 467.6250
- 467.6500
- 467.6750
- 467.7000
- 467.7250
(d) 467 MHz interstitial channels. Only hand-held portable units may transmit on these 7 channels. The channel center frequencies are: 467.5675, 467.5875, 467.6125, 467.6375, 467.6625, 467.6875, and 467.7125 MHz.
Related
