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If you are in an area where interference from other radios may be an issue, UHF transmitters and receivers could be your best choice unless you use a MURS VHF radio. UHF is better at penetrating physical barriers like walls, buildings, and rugged landscape.
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ezinearticles.com/?UHF-Versus-VHF-Which-Two-Way-Radio-F...
ezinearticles.com/?UHF-Versus-VHF-Which-Two-Way-Radio-Frequency-is-Better?&id=1328253
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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 urban environments and around buildings.
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www.buytwowayradios.com/blog/2008/09/uhf_or_vhf_which_i...
www.buytwowayradios.com/blog/2008/09/uhf_or_vhf_which_is_right_for_you.aspx
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While the cost difference between UHF and VHF equipment has been declining, it is unlikely to disappear. Battery life for VHF wireless transmitters is almost always better than for similar UHF units; over the life of a system the savings in battery costs can be very significant.
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www.audio-technica.com/cms/site/af9d127e26abf498/index....
www.audio-technica.com/cms/site/af9d127e26abf498/index.html
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Winegard's newest sister antenna to the SS-1000. The new SS-2000 has a built-in 12 dB UHF / VHF amplifier better suited for HDTV OFF-AIR reception. Built from the award winning SS-2000 style antenna.
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www.summitsource.com/winegard-ss2000-squareshooter-vhf-...
www.summitsource.com/winegard-ss2000-squareshooter-vhf-uhf-hdtv-antenna-ss2000-square-shooter-highband-amplified-12-db-gain-tv-digital-analog-high-definition-best-outdoor-aerial-system-blue-zone-part-ss2000-with-coax-cable-p-6448.html
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Patented broadband high gain Television antenna system for vhf, uhf, television, tv antennas. We specialise in new product development for rf. Licensees and distributors sought. ... Better Wireless Results with Superior Antenna Technology...
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VHF channels pictures are good, UHF is better but not as good as I expected. To adjust the direction, you need to unscrew the screws and is unconvienient. I will not purchase it again with this price. It doesn't help my reception much.
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reviews.pricegrabber.com/antennas/m/5433046/
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Depends on the terrain. The UHF signal is attenuated or absorbed by foliage, rough terrain and trees. VHF does better outdoors. VHF has difficulties penetrating steel and concrete. UHF does better in and around buildings. If you use the rad...
http://www.axcesstechnologysource.com/faq.php
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What is VHF in full? Compare uhf and vhf? How many vhf channels? Vhf and uhf microphones? 2 ways radio uhf or vhf? Vhf or uhf-which is better? Uhf and vhf channels on tv? Which is better UHF and VHF? Applications of uhf and vhf?
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wiki.answers.com/Q/What_is_the_difference_between_UHF_a...
wiki.answers.com/Q/What_is_the_difference_between_UHF_and_VHF
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Ultra high frequency - Wikipedia, the free encyclopedia
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Ultra high frequency (UHF) designates a range of electromagnetic waves with frequencies between 300 MHz and 3 GHz (3,000 MHz). Also known as the decimetre band or decimetre wave as the wavelength...
en.wikipedia.org/wiki/Ultra_high_frequency
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