News
Some of the antennas weren’t bad on the UHF band. That makes sense because the antenna is physically larger but at VHF the size didn’t seem a big difference.
Like the ubiquitous Baofeng line of cheap transceivers, the Quansheng UV-K5 is designed to be a dual-band portable for hams to use on the 2-meter VHF and 70-centimeter UHF bands.
The antenna works from 54MHz to 216MHz, which are the low and high VHF bands, and from 470MHz to 608MHz on the UHF band. After the reorganization, most TV stations broadcast on high VHF or UHF.
The new rugged, compact, and low-profile CP2816 Series integrated thin film (ITF) directional couplers satisfy cross-market demand for small, high-power couplers compatible with VHF and UHF bands.
Effects of buildings and trees upon the propagation of waves in the UHF and VHF bands. Report 1963-39. Download. ... corresponding assessments have been made on Band I and Band III transmissions ...
An important problem in the design of VHF and UHF transmitting aerials is the provision of a vertical radiation pattern which gives approximately uniform field strength over the prescribed service ...
The geolocation company’s filing seeks priority to be given to their GPS-based devices using the band 902-928 MHz, traditionally used by UHF RFID, LoRa and other technologies; RAIN Alliance and GS1 ...
Broadcasting will remain the only primary service in the frequency band 470–694 MHz across ITU Region 1, which includes Europe, the Middle East, Africa, and parts of Asia. The decision, taken at the ...
Effects of buildings and trees upon the propagation of waves in the UHF and VHF bands. Report 1963-39. Download. ... corresponding assessments have been made on Band I and Band III transmissions ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results