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portable GMRS repeater for farm

Best portable GMRS repeater to extend communication range

Best portable GMRS repeater to extend communication range GMRS radio is very polular in USA, because of its advantages as below: 1/ One person hold license, Immediate relatives can share same license. The United States permits use by adult individuals who possess a valid GMRS license, as well as their immediate family members. Immediate relatives

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The differences between UHF and VHF, and what is the VHF frequency range?

Your cell phones and two-way radios all work in the electromagnetic wave, but the frequency range is different to stay in the rules of communication. UHF and VHF frequency bands are a part of a two-way radio communication range. So, how to know how to choose and applicate the UHF and VHF radios? And what’s

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RA16

Retevis RA16 helmet Radio for construction site

Retevis RA16 helmet Radio for construction site In construction site, workers need helmet to keep safe. But do you know there’s also helmet Radio for construction site communication? In manufactory, construction site, workshop, a safe and convenient communication tool helps lot. Retevis developed a safety helmet that is most suitable to use in these fields,

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