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Sirio CX 220 (219-226MHz) J-POLE VHF Base Antenna

3/4 λ VHF antennas for base station service made of hi-quality materials to get the maximum efficiency and the best performance. It is completely manufactured with aluminium tubes and nylon for its great robustness and it is supplied with a solid steel bracket for an easy and safe installation everywhere. Its Gamma Match feed makes it earthed for a perfect protection against the discharges. In the mentioned range of frequencies, no adjustments are required. Simple and strong it is particurly recommended for a professional use.


  • Base station antenna, Mono-band
  • Low-gain, Omnidirectional
  • Protection from static discharges DC-Ground
  • Made of aluminium alloy 6063 T-83

    Electrical Data

  • Type: 3/4λ coaxial J-pole
  • Frequency range @ SWR ≤1.5: CX 220: 219-226 MHz
  • Impedance: 50Ω
  • Radiation (H-plane): 360° omnidirectional
  • Radiation (E-plane): beamwidth @ -3 dB = 60°
  • Polarization: linear vertical
  • Gain: 2dBd - 4.15 dBi
  • Max. power (CW) @ 30°C: 200 Watts
  • Grounding protection: All metal part are DC-grounded, the inner conductor shows a DC-short
  • Connector: N-female

    Mechanical Data

  • Materials: Aluminium, Brass, Steel, Nylon
  • Wind load / resistance: 25 N @ 150 Km/h / 180 Km/h
  • Wind surface: 0.02 m²
  • Height (approx.): CX 156: 1500 mm
  • Weight (approx.): 750 gr
  • Mounting mast: Ø 35-42 mm
  • Quantity: Reviews
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