26th October 2019


What are GMRS frequencies?

The General Mobile Radio Service (GMRS) is a licensed radio service that uses channels around 462 MHz and 467 MHz. The most common use of GMRS channels is for short-distance, two-way voice communications using hand-held radios, mobile radios and repeater systems.

In respect to this, what are FRS and GMRS frequencies?

List of FRS channels compared to GMRS
ChannelFrequency (MHz)GMRS EIRP Restriction
1462.5625Up to 5 watts
2462.5875Up to 5 watts
3462.6125Up to 5 watts
4462.6375Up to 5 watts

What are the unlicensed frequency bands?

Tech Stuff - Unlicensed Frequencies
2.400-2.483.5 GHzISM Band (max 4W EIRP)802.11/11b
902-928 MHzISM Band (Used by GSM in most countries)
5.800-5.925 GHzISM Band
5.15-5.25 GHzUNII (Unlicensed - National Information Infrastructure) max. 200 mw EIRP802.11a