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It provides a significant gain over the 1/4-wave monopole. The best impedance match is provided when the radials are angled downward from the vertical at a 45-degree angle, causing a 1/2-wave dipole antenna effect. A ground plane antenna exhibits a circular coverage pattern, perpendicular to the vertical element. The antenna should be positioned so that the radials are closest to the nearest boundary such as a central location on the floor, wall or ceiling and functions best when inverted.
Specifications:
- Frequency Range: UHF 620~960MHz
- Impendence: 50 ohms
- Connector: TNC male
- Dimensions: 165(H) x 150mm / 6.5(H)x 5.9"
- Weight: 142g / 5.0oz
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