The Antenna Factory BP450-6-85 is a 400-512 MHz Base Station Sector antenna. This antenna operates on a 25 MHz bandwidth. The gain is 6 dBi. The VSWR is ≤ 1.5 and the nominal impedance is 50 Ω. This antenna has a vertical polarization. The maximum power rating is 50 W. It also has a diameter of 240 mm × 230 mm × 50 mm / 9.45 in × 9.06 in × 1.97 in. The rated wind velocity is 135 mph (216 km/h) and it has a N Female connector.
(see important specifications at next tab)
Connector: N Female
Frequency Range: 400-490 MHz
Bandwidth: 20 MHz
Gain: 6 dBi
VSWR: ≤ 1.5
Nominal-Impedance: 50Ω
Polarization: Vertical
Maximum Power: 50 W
Diameter / Dimension: 240 mm x 230 mm x 50 mm / 9.45 in x 9.06 in x 1.97 in
Rated Wind Velocity: 216 km/h / 135 mph
F / B Ratio: > 15
3dB Beamwidth in Vertical Plane: 120
3dB Beamwidth in Horizontal Plane: 85
PDF: http://www.antennafactory.com/pdf/UHF/BP450-6-85.PDF