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UHF (Ultra High Frequency) and VHF (Very High Frequency) represent the frequency types of radio transmit. UHF is a short-range communication frequency band that operates in the 300 MHz-3GHz bands, VHF is radio frequencies in the range between 30-300MHz.
On the other hand, VHF wavelengths (e.g. MURS or the Marine radio band) have the potential to communicate longer distances than UHF. VHF waves can still make it through buildings and such,to an extent– but just not as well as UHF(and at a distance penalty in that environment). Howeve...
即使将天线放置在阳台上,在降低本底噪声方面也会产生很大的不同。这对 VHF/UHF 来说不是问题,但这些天线也可以从外面受益,因为障碍物的衰减会更小。 对于HF,我个人建议您首选MLA-30环形天线,因为它是一项适度的投资,并且在如何配置方面相当灵活。我相信我们的定期撰稿人 Grayhat 会提供一些有用的建议,因为他是城...
对公寓中的 HF/VHF/UHF 电台架设的建议 SWL POST的 Jamie写道: 你好, 我想问几个关于什么是适合我的情况的好设置的问题。 我在位于澳大利亚一个大城市的 2 层楼房产中,该房产不归我所有(通过社区/公共住房租赁)。我目前有一个SDRPlay RSP2,以及独立的 AM/FM 调谐器——Sony XDR-F1HD和Onkyo T4970。电脑...
Digital Mobile Radio Place of Origin Fujian, China Brand Name KSTERA Model Number DM1600 Dimensions 44 x 169 x 134 mm Frequency Range VHF 136-174MHz/ UHF 400-470MHz Water Resistance Level IPX5 RF power output 25-45W Power supply requirement ...
Alpha Antenna, Manufacture of VHF UHF HF Base Portable Mobile · Magnetic Loop · Dipole · Vertical · Yagi · MagLoop · End-fed military systems
QYT 7900D diamond VHF UHF qual band 100W high gain mobile car radio antenna $12.10 - $14.52 Min. order: 1 set Easy Return QYT mobile radio antenna magnet and cable combination,SL16-K connector $6.25 - $8.00 Min. order: 2 pieces ...
VHF:136-174MHz; UHF: 400-480MHz Application Mining Transport Package Standard Carton Box Specification 227*76*342mm Trademark BelFone Origin China Production Capacity 1mil+/Year Packaging & Delivery Package Size 73.50cm * 43.50cm * 18.50cm ...
1 F3001 or F4001 Radio(choose; VHF or UHF) 1 Charger(Rapid) 1 110V AC adapter 1 Antenna (VHF or UHF) 1 Battery(Li-Ion) 1 Belt Clip 1 Owner's Manual *Radios modifiedat the customer's request, such as programming or installation of logic boards, arenot returnable. For more informati...