GMRS

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General Mobile Radio Service (GMRS)

General Mobile Radio Service (GMRS) | FCC.gov - http://www.fcc.gov/encyclopedia/general-mobile-radio-service-gmrs

"The General Mobile Radio Service (GMRS) is in the 462 - 467 MHz spectrum range. The most common use of GMRS spectrum is short-distance, two-way communications using small, portable hand-held devices that function similar to walkie-talkies. Similar services include the Family Radio Service (FRS) and the Multi-Use Radio Service (MURS)." [1]
"An FCC license is required to operate a General Mobile Radio Service (GMRS) system. Licenses are issued for a five-year term and can be renewed between 90 days prior to the expiration date and up to the actual expiration date of the license." [2]
"If you receive a license, any family member, regardless of age, can operate GMRS stations and units within the licensed system." [3]
"GMRS devices generally transmit at higher power levels (1 to 5 watts is typical) and may have detachable antennas." [4]
"You can expect a communications range of five to twenty-five miles." [5]

GMRS Information - http://www.gmrs.org/gmrs_information.htm

Channels

There are 23 GMRS channels and each channel is 25 kHz.

  • 462.5500
  • 462.5625
  • 462.5750
  • 462.5875
  • 462.6000
  • 462.6125
  • 462.6250
  • 462.6375
  • 462.6500
  • 462.6625
  • 462.6750
  • 462.6875
  • 462.7000
  • 462.7125
  • 462.7250
  • 467.5500
  • 467.5750
  • 467.6000
  • 467.6250
  • 467.6500
  • 467.6750
  • 467.7000
  • 467.7250

Rules

  1. License
    • Must have license to operate GMRS
    • Must be 18 years old to apply for license
    • If you receive a license, any family member, regardless of age, can operate GMRS stations and units within the licensed system
  2. Station identification
    • every GMRS station must transmit a station identification following the transmission of communications or a series of communications
    • and every 15 minutes during a long transmission.
  3. Power
    • A small base station must transmit with no more than 5 watts ERP
    • A fixed station must transmit with no more than 15 watts output power.
  4. Misc
    • You cannot make a telephone call with a GMRS device.
  5. Location
    • You must be within the territorial limits of the fifty United States, the District of Columbia, and the Caribbean and Pacific Insular areas
  6. Shared FRS Device
    • You do not need a license to use FRS channels, which are limited to ½ watt (500 milliwatt) maximum effective radiated power

Reference:

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