In the VHF/UHF world, the J-pole is a commonly used antenna as well, and this roll-up tunable J-pole antenna is among the most versatile we’ve seen.

Pasternack has introduced a new line of GPS timing antennas, vehicular antennas, and a 118-174 MHz tunable, telescopic antenna to address mobile wireless, portable instrumentation and wireless ...

Pasternack's new GPS, vehicular and portable UHF antennas are all in stock and available for same-day shipping with no minimum order requirement.

Harris Corporation has added the XG-15P to its XG series of portable radios and will offer a bundled, single-price solution, including an XG-15P radio, software, antenna, belt-clip, battery and ...

Ever wonder what the GPS antenna inside your portable car navigation device looks like? A news release from Sarantel shows pictures of a very small helical antenna. Sarantel has announced a new ...

An active antenna consists of a passive antenna followed by and combined with a low noise pre-amplifier. Because the combination cannot be separated for measurements it is best considered, with ...

In the case of an analog UHF TV tuner, if your TV station is on 600MHz the local oscillator would be tuned to 564MHz and the difference between the two, 36MHz, would be fed to the TV set for ...

Why does moving your hands in front of the TV or radio antenna influence the reception? David Hysell, an associate professor of Earth and Atmospheric Sciences at Cornell University, explains.

Here's a full tried-and-tested guide to the best handheld vhf radios on the market, and Sam Fortescue's tips on safe communication at sea.

Jampro Antennas will make the European debut of its new Jampro UHF RWED-516-U compact TV mask/filter combiner at IBC2008. The company also will show the newest member of its Prostar line, the JA/MS-BB ...

When Ford switched to aluminum cabs, standard magnetic antenna mounts no longer functioned on the work and play trucks that utilized UHF radios for communications.