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UHF    
超高頻

超高頻

UHF
n 1: 300 to 3000 megahertz [synonym: {ultrahigh frequency}, {UHF}]



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  • Baofeng - DM32UV DMR Settings | RadioReference. com Forums
    Just had a DM32UV delivered yesterday it looks like a cool little radio So far analogue UHF VHF services working well including air band But while I thought I knew how to set up DMR I’m having a struggle to get it working properly I am attempting to receive Regina Public schools on 463 1625
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    I've been looking at some radios that operate in the UHF range and have been seeing multiple bands listed in the specifications It's usually listed similar to this: UHF1: 400-470MHz; UHF2:450-520MHz; UHF3: 350-400MHz; UHF5: 806-941MHz I thought maybe the numbering scheme was just an internal
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    Diamond Antenna MR77 Diamond Antenna Dual-Band Mobile Antennas | DX Engineering Free Shipping - Diamond Antenna Dual-Band Mobile Antennas with qualifying orders of $99 Shop VHF UHF Mobile Vertical Antennas at DX Engineering
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    The trick with VHF UHF antennas, and this ties into your original question, is elevation Since VHF UHF signals are primarily line of sight, you need to get the antennas as high as you can above surrounding obstructions Granted, there are trade-offs such as putting an antenna on a tall support might require a long, and lossy, feedline
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    I want to know what are the best uses for 800 900mhz and Should I license for 800 900 or stick with VHF or UHF? My use will be for a small area
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    There is a low split radio goes from 385 to 440 MHz thats the low half of the 70 CM band The XTL 2500 and 5000 high power covers 380 to 470 MHz, all of the 70 CM band and then some (a bit expensive ) AFIAK, there were only 2 splits for the UHF XTL radios UHF-R1 380-470MHz, and UHF-R2 450-520MHz
  • Wolf HF-VHF-UHF Transceiver - RadioReference. com Forums
    WOLF HF-VHF-UHF All mode Transceiver 20W 0-750MHz Wolf All Mode DDC DUC Transceiver Wolf Transceiver is a Chinese product based on the open source DDC-DUC SDR project by UA3REO The RF signal
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    The Remtronix REM-920S SMA Dual Band VHF UHF 400-470 800MHz made for the Uniden Bearcat SDS100 Scanner Dual Band VHF UHF 400-470 800MHz Flexible Whip Rubber Ducky Great improvement over factory standard antenna 9-inch length SMA Connector (Standard SMA and fits SDS100) Rubber o-ring to keep the SDS100 waterproof
  • Project - Researching, Designing and Building a UHF Horizontal Wire . . .
    The UHF Horizontal Wire Loop Aerial (UHFHWLA) is a simple yet effective DIY antenna project designed for UHF frequencies, particularly for monitoring UHF CB and other active users in the band This aerial builds on principles learned from ultralight DXing tools like Ferrite Sleeve Loop (FSL)
  • Ladder line vs Coax - RadioReference. com Forums
    Ladder line, or twin lead was very popular with VHF UHF at one time It was used for receiving frequencies as high as 890 MHz (Which used to be NTSC TV channel 83) Think back to the old pre cable TV days 300 Ohm twin lead was used pretty well exclusively for antenna installations It was usually solid ribbon, but you could get cable with the center insulator punched out like ladder line





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