47 CFR § 95.1703 - Definitions, GMRS.
General Mobile Radio Service (GMRS). A mobile two-way voice communication service, with limited data applications, for facilitating activities of individual licensees and their family members, including, but not limited to, voluntary provision of assistance to the public during emergencies and natural disasters.
Grandfathered GMRS license. A GMRS license held by a non-individual person (i.e., a partnership, corporation, association or governmental unit) as a result of renewals of a GMRS license issued prior to July 31, 1987.
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