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Sirio MD 118-137 Aviation Antenna

Sirio MD 118-137 Aviation Antenna
Dipole 1/2 λ with loaded radial covering the frequency range of 118-137 MHz for aeronautical band. The whip is made of black chromed stainless steel and all the metallic components are of brass or steel to get the best robustness. Thanks to its loaded radial MD 118-137 Aviation doesn’t need any metallic ground plane and it is particularly recommended for installation on small aircraft.


  • Suitable for aeronautical service, Omnidirectional
  • Mono-band, Unity-gain
  • Recommended for installation on small aircraft
  • Flexible stainless steel radial

    Electrical Data

  • Type: Dipole 1/2 λ with loaded radial
  • Frequency range: 118-137 MHz for areonautical band
  • Impedance: 50Ω
  • Radiation (H-plane): 360° omnidirectional
  • Polarization: linear vertical
  • Gain: 0 dBd - 2.15 dBi
  • Max. Power (CW) @ 30°C: 50 Watts
  • Cable Lenght / Type: 5m / RG 58
  • Cable connector: FME-female, other type on request

    Mechanical Data

  • Materials: Stainless Steel 17/7 PH, Nylon, Chromed Brass, Zamac
  • Wind resistance: 220 Km/h
  • Height (approx.): 760 mm
  • Weight (approx.): 330 gr
  • Mounting Hole: Ø 14 mm
  • Quantity: Reviews
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