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Very high frequency (VHF) is the ITU designation [1] [2] [3] for the range of radio frequency electromagnetic waves (radio waves) from 30 to 300 megahertz (MHz), with corresponding wavelengths of ten meters to one meter. Frequencies immediately below VHF are denoted high frequency (HF), and the next higher frequencies are known as ultra high ...
A standard handheld marine VHF, ... (VHF) radio band in the frequency range between 156 and 174 ... Marine VHF radio equipment is installed on all large ships and ...
The PRC-163 is one of the Handheld, Manpack & Small Form Fit (HMS) components [3] of the Integrated Tactical Network family of radios, [1] the U.S. Army's modernization strategy for tactical radios. It is a member of L3Harris' Falcon IV family of tactical radios, and the successor to the Falcon III-family AN/PRC-152 Multiband Handheld Radio .
The Baofeng UV-5R [note 1] is a handheld radio transceiver manufactured by the Chinese manufacturer Baofeng. This model was the first dual band radio (VHF/UHF) to be successfully distributed by a Chinese brand. [citation needed] It is inexpensive and relatively simple to use (though tedious to program without computer software).
Retevis RT87 handheld radios. Retevis is the brand of chinese based company Shenzhen Retevis Technology Co., Ltd. headquartered in Shenzhen,China. [40] UHF/VHF radios: Retevis RA89 (7 Watt) Retevis RA685 (5 Watt) Retevis RT87 (5 Watt IP 66) Retevis RT95 (20 Watt mobile radio) Retevis RT3S (5 Watt DMR)
While "line of sight" propagation is a primary factor for range calculation, much of the interest in the bands above HF comes from use of other propagation modes. A signal transmitted on VHF from a hand-held portable will typically travel about 5–10 km (3–6 miles) depending on terrain.