Two-way radios can be a convenient, cost-effective means of keeping in touch with members of your family - children, in particular - during outdoor pursuits, skiing, shopping trips, etc., or work colleagues, if you work in an area that is geographically large, such as an airport, school or large retail outlet. Two-way radios are typically one of two types, FRS - Family Radio Service - which requires no licence, or GMRS - General Mobile Radio Service - which do.
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Buyers' Guide to Understanding Two-Way Radio Range and Channel Frequency