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UHF or VHF Frequency

VHF- Very High Frequency
Very high frequency is commonly used for FM radio broadcast, two-way land mobile radio systems, long-range data communication, and marine communications. VHF includes radio waves from 30 MHz to 300 MHz.

UHF- Ultra High Frequency
UHF signals don't travel quite as far outdoors as VHF signals, but they do a better job of penetrating wood, steel, and concrete, giving you better range and performance in indoor and outdoor urban environments. UHF includes typical radio waves from 400MHz – 470MHz.

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DP4401 Ex UFH

DP4401 EX

Item number: 44_MDHxxx

Digital portable radio (ATEX)