Doug Lung /
04.10.2009 02:00 PM
Dielectric to Launch 1.4 GHz CP Antenna for Multimedia
Mobile and handheld TV and multimedia services are not limited to the UHF bands. Modeo, for example, used spectrum at 1.4 GHz.

At the NAB Show, Dielectric will debut a new L-band, 1.4 GHz high-power circularly polarized broadband antenna that builds on the company's experience with pylon antenna design at UHF. The design allows for a wide range of elevation and azimuth antenna patterns.

"Our new 1.4-GHz circularly polarized pylon patch antenna offers a distinctive and comprehensive feature set for broadcasters looking to make the leap into mobile media broadcasting," said Dielectric president Garrett VanAtta. "The antenna's pattern versatility makes it easier than ever for broadcasters to plan their network and make adjustments to suit their specific regions and broadcasting needs. The combination of features our antenna offers makes it truly unique."

VanAtta added, "Circularly polarized antennas have emerged as the broadcasting industry's gold standard for ensuring reliable service in mobile TV applications. Prior to the introduction of our new antenna, the only L-Band products available were vertically polarized whip style antennas. Collinear dipole whip antennas are power limited and linearly polarized, which do not offer the service reliability that circular polarization provides. Our new antenna blends the best of both worlds by providing high-power, circularly polarized broadband coverage with flexible, effective transmission patterns."

The antenna can be top or side mounted and can handle up to 4 kW input power, depending on the design. Gains range from 15 to 19 dBi and VSWR is specified at 1.1:1 or less.

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