![]() Anything that gets in the way can adversely affect the line of sight. GMRS radios operate on "line-of-sight", which simply means that as long as they or their operators can clearly "see" each other with nothing between them to obscure their view, the radios should be able to communicate with one another. The GMRS operates on UHF frequencies around 460 MHz, so our range estimations will be based on that variable. Higher frequencies in the UHF band do not travel as far but can pass around obstacles more easily. Lower frequencies such as those on the VHF band travel farther but can be more easily blocked. The type of radio signal is a significant variable in determining range. In short, range is absolutely relative.Ī number of variables determine actual range. Although range has an absolute definition, it is defined by a range of variables. The reason for this is contained in the word itself. ![]() This simple, five letter word is easy to enunciate, yet it is perhaps one of the most complicated to resolve in the consumer radio marketplace. Ironically, it's also one of the least understood among the masses, which makes it quite controversial. Range is a popular word in the world of portable handheld two way radios or walkie talkies.
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