GMRS (General Mobile Radio Service)
GMRS (General Mobile Radio Service) is a licensed radio service.
GMRS consists of 16 UHF channels on FM, plus 7 channels that are shared with FRS.
The maximum allowable power for a GMRS radio is 50 watts. The GMRS channels which are shared with FRS are limited to 5 watts of power.
The use of repeaters is allowed on GMRS. Most GMRS repeaters use CTCS (Control Tone Coded Squelch).
GMRS Frequencies
The frequencies assigned solely to GMRS are:
| Designator | Simplex or Repeater Output | Repeater Input |
|---|---|---|
| 550 | 462.550 MHz | 467.550 MHz |
| 575 | 462.575 MHz | 467.575 MHz |
| 600 | 462.600 MHz | 467.600 MHz |
| 625 | 462.625 MHz | 467.625 MHz |
| 650 | 462.650 MHz | 467.650 MHz |
| 675 | 462.675 MHz | 467.675 MHz |
| 700 | 462.700 MHz | 467.700 MHz |
| 725 | 462.725 MHz | 467.725 MHz |
The frequencies which GMRS shares with FRS are:
| Designator | Frequency | FRS Channel |
|---|---|---|
| 5625 | 462.5625 MHz | 1 |
| 5875 | 462.5875 MHz | 2 |
| 6125 | 462.6125 MHz | 3 |
| 6375 | 462.6375 MHz | 4 |
| 6625 | 462.6625 MHz | 5 |
| 6875 | 462.6875 MHz | 6 |
| 7125 | 462.7125 MHz | 7 |
462.675 is the unofficial GMRS channel for emergencies and assistance.
GMRS Licensing
GMRS licenses are good for five year and cover the licensee and his or her family. The GMRS license fee is $75.
The apply for a GMRS license, use the FCC's Universal Licensing System.
Additional Reading on GMRS
For official information on GMRS, visit the FCC's page on General Mobile Radio Service (GMRS).
|
|
Comments (1)
Leave a Reply
- FRS (Family Radio Service)
FRS (Family Radio Service) is an unlicensed service. FRS (Family Radio Service) consists of 14 UHF channels on FM. FRS Channel 1 is unofficially used as a common call channel. FRS (Family Radio Service) shares channels 1 through 7 with GMRS, and many FRS radios are also GMRS radios. The maximum allowable power for a [...]...
- Types of Radio
Radio can be divided into two main categories: Radio designed for you to listen to Radio designed for you to listen to and talk on Radio designed for you to listen to include the AM and FM bands, shortwave radio, and an enormous number of specialized radio bands that you can hear by purchasing a [...]...
- MURS (Multi Use Radio Service)
MURS, or the Multi-Use Radio Service, is a public radio service created by the FCC in the Fall of 2000 that can be accessed by any individual for personal or business-related purpose. MURS was created for the general public to use without acquiring a license to broadcast, but requires that users remain within the frequencies [...]...
- Radio Repeater
Portable radios are limited in the power at which they can transmit, usually somewhere between .5 watts and 5 watts. A very rough rule of thumb is that one watt equals one mile of range over flat and open terrain. Buildings and mountains will, of course, greatly modify effective range. When two radios communicate directly [...]...
- CB (Citizens Band) Radio
CB (Citizens Band) Radio is an unlicensed service. CB Radio consists of 40 HF channels on AM and SSB. Channel 9 is designated for emergencies and assistance. The maximum allowable power for a CB radio is 5 watts. Repeaters are not allowed on CB radio. CB Radio Usage CB Radio is mainly utilized by truck [...]...
Do you have a frequency crystal for 467.750 Mhz? Please advise.