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Sirio GPA 66-108 is 1/4 λ VHF base antenna for professional and HAM 4m bands 66MHz - 108MHz. Manufactured from robust aluminim alloy and weather proof plastics. High quality materials garrantee maximum effectivеness and long term exploitation.
Sirio GPA 66-108 - VHF antenna type groundplane for base station applications in frequency range 66MHz - 108MHz 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: GPA 66-108: tunable 66...108 MHz
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
Bandwidth @ SWR ≤2: 6.5 MHz at 66 MHz
SWR @ res. freq.: ≤ 1.2 @ start freq.
Max. Power (CW) @ 30°C: GPA 66-108: 500 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.):
1930 mm
Weight (approx.):
700 gr
Mounting mast: Ø 35-40 mm
This product was added to our catalog on Monday 24 September, 2012.