BD3-6Gi

Electrical

Frequency Range 300-350 MHz
Band Width 15 MHz
SWR < 1.5
Gain 6 dBd (8.15 dBi) 
Impedance 50 Ω
Max Power 300 W
Polarization Vertical
Antistatic Protection DC-grounded (Connector shows a DC-short)

Mechanical

Connector N female
Length 4.8 m
Weight 20.0 kg
Mounting 30-60 mm mast tube
Material Aluminum
Wind Load 150 km/h