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Bonnie Crystal was granted the US patent 7,151,497 Coaxial Antenna System on December 19, 2006, after filing in 2003 for new types of coaxial antennas with reduced size providing efficient broadband, wideband and controlled bandwidths, using radiation by the outside of the coaxial elements. [2]
The HB9XBG antenna is a vertical dipole antenna for short wave radio amateurs. It was developed by the Swiss radio amateur Walter Kägi, whose call sign HB9XBG is also the designation of the antenna. [1] During the test phase in 2020, HB9XBG built two vertical dipoles – one for the 20-metre amateur radio band and another for the 40-metre band.
Radiall is a company that designs, develops, and manufactures connectors and associated components for use in electronic applications. The company offers interconnect components, including radio frequency/coaxial connectors and cable assemblies, antennas, fiber optic connectors and cable assemblies, microwave components and cable assemblies, microwave switches, and multipin connectors.
Radio Frequency Systems (RFS) is a designer and manufacturer of wireless and broadcast cable solutions and accessories. Established in 1900, RFS operates across multiple sectors, including telecommunications , broadcasting , and industries including rail [ 1 ] and mining.
Wi-Fi over Coax is a technology for extending and distributing Wi-Fi signals via coaxial cables. As an in-building wireless solution, Wi-Fi over Coax can make use of existing or new cabling with native impedance of 50 Ω shared by a Wi-Fi access point , cabling run, and antenna.
During the mid-20th century, Andrew Corporation became a leading producer of coaxial cables, [24] a crucial component for transmitting high-frequency signals in telecommunications and cable TV systems. At one point, Andrew Corporation was the principal engineer for Chicago's WBKB TV station, [25] which would later become Chicago's CBS affiliate ...
A transmatch (antenna tuner) is not required to use this antenna near its nominal design frequency of 14 MHz, and judicious length adjustments can sometimes include one other frequency band. All other frequencies require a transmatch. [citation needed] There are many variants of the G5RV antenna. Two variations of the G5RV design, called ZS6BKW ...
The 7-16 DIN connector or 7/16 (seven and sixteen millimeter DIN) is a 50 Ω threaded RF connector used to join coaxial cables. It was designed to reduce passive intermodulation from multiple transmitters. It is among the most widely used high power RF connectors in cellular network antenna systems. Originally popular in Europe, it has gained ...