Electrical specifications:

•  Frequency range: 350-500Mhz (Tuning
  module before shipping on the 430-450Mhz)
• Impedance: 50Ω
• VSWR: <1.5
• Gain: 9.5dBi 
• Polarization: vertical
• Horizontal 3dB beam width: 45°
• Vertical 3dB beam width:  40°
• Front to back ratio: >12 dB
• Lighting protection: direct ground
• Connector: N-female / SL259.female SO239
• Maximum power input: 200W

Mechanical specifications:

• Dimensions:  1135×1040 mm
• Weight:  1.15Kg
• Rated wind velocity: 60m/s
• Mounting hardware:Ø30-Ø50 mm