Sirio GPA 170-230mhz is 1/4 λ VHF base antenna. Manufactured from robust aluminum alloy and weather proof plastics. High quality materials guarantee maximum effectiveness and long term exploitation.
Sirio GPA 1 170 - 230 - VHF antenna type ground plane for base station applications in frequency range 170-230mhz tunable base antenna..
Features:
Base station antenna, Mono-band
Omnidirectional, Unity gain
Made of aluminium alloy 6063 T-832
Perfect protection against the worst weather conditions
Tunable by whip length adjusting
Side mast mounting allowed by optional bracket FT-2 code 2510004.00
Electrical Data:
Type: 1/4λ ground plane large band
Frequency range: 170-230mhz
Impedance: 50Ω
Radiation (H-plane): 360° omnidirectional
Radiation (E-plane): beamwidth @ -3 dB = 86°
Radiation angle: 0°
Polarization: linear vertical
Gain: 0 dBd - 2.15 dBi
SWR @ res. freq.: ≤ 1.2 @ start freq.
Max. Power (CW) @ 30°C: : 300 Watts
Connector: UHF-female
Mechanical Data
Materials: Aluminium, Chromed brass, Nylon
Wind load / resistance: 54 N at 150 Km/h / 150 Km/h
Wind surface: 0.05 m²
Height (approx.): 930 mm
Weight (approx.): 700 gr
Mounting mast: Ø 35-40 mm
