Sirio GPA 40-70 is 1/4 λ VHF base antenna for professional and HAM 6m bands 40MHz - 70MHz. Manufactured from robust aluminim alloy and weather proof plastics. High quality materials garrantee maximum effectivеness and long term exploitation.

       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 40-70: tunable 40...70 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: ≥3.7 MHz @ 40 MHz
  • SWR @ res. freq.: ≤ 1.2 @ start freq.
  • Max. Power (CW) @ 30°C: GPA 40-70: 1000 Watts
  • Connector: UHF-female

    Mechanical Data

  • Materials: Aluminium, Chromed brass, Nylon
  • Wind load / resistance: GPA 40-70: 85 N at 150 Km/h / 150 Km/h
  • Wind surface: GPA 40-70: 0.07 m²
  • Height (approx.): GPA 40-70: 3200 mm
  • Weight (approx.): GPA 40-70: 935 gr
  • Mounting mast: Ø 35-40 mm
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