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Sirio GPA 40-70 Mhz 6 Meter Tunable Ground Plane Base antenna

  • Model: SIR-GPBA-4070
  • Shipping Weight: 2 lbs
  • 14 Units in Stock

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$65.00

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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.
Sirio GPA 40-70 - VHF antenna type groundplane for base station applications in frequency range 40MHz - 70MHz tunable base antenna.


  • Base station antenna, Mono-band
  • Omnidirectional, Unity gain
  • Made of aluminium alloy 6063 T-832
  • Tunable by whip length adjusting
  • Side mast mounting allowed by optional bracket FT-2 code 2510004.00

  • Type: 1/4λ ground plane large band
  • frequency range: 40-70 MHz Tunable
  • System: 6m-HAM
  • Impedance: 50Ω
  • Radiation (H-plane): Omnidirectional
  • Polarization: linear horizontal
  • Gain: 0 dBd, 2.15 dBi
  • Bandwidth: SWR ≤2: ≥3.7 MHz @ 40 MHz
  • SWR @ res. freq.: ≤ 1.2 @ start freq.
  • Max. power: 1000 W (CW)
  • Connector: UHF-female

  • Materials: Aluminium, Steel, Nylon
  • Length (approx.): 3200 mm / 10.5 ft
  • Weight (approx.): 935 gr / 2.06 lb
  • Mounting mast: On-Mast

    • This product was added to our catalog on Monday 15 April, 2024.

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