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Sirio SPO 145-2 Professional Omni 2 dBi VHF Base Station Antenna

Sirio SPO 145-2 Professional Omni 2 dBi VHF Base Station Antenna
New series of wide band omnidirectional base station antennas for VHF band suitable for marine service too. The fiberglass protection radome and the anodized aluminium parts guarantee robustness and long life to all the SPO-antennas series. They are supplied with two strong extruded aluminium brackets and stainless steel hardware for a good installation on the mast.


  • Base station antenna, Wide-band
  • Unity-gain, Omnidirectional
  • Suitable for land and marine service
  • Protection from static discharges DC-Ground
  • Perfect protection against the worst weather conditions
  • Designed to work without Ground Plane
  • Stainless steel hardwares

    Electrical Data

  • Type: dipole
  • Frequency range @ SWR ≤ 1.5: 145-175 MHz
  • Impedance: 50Ω
  • Radiation (H-plane): 360° omnidirectional
  • Radiation (E-plane): beamwidth @ -3 dB = 78°
  • Polarization: linear vertical
  • Gain: 0 dBd - 2.15 dBi
  • Max. Power (CW) @ 30°C: 100 Watts
  • Grounding protection: All metal part are DC-grounded, the inner conductor shows a DC-short
  • Connector: N-female with rubber protection cap

    Mechanical Data

  • Materials: White fiberglass radome Ø 28.6mm, anodized 6063-t5 aluminium, brass, stainless steel, copper, EPDM rubber
  • Wind Load at 150 km/h 53 N
  • Wind Resistance 180 Km/h
  • Wind Surface 0.044 m2
  • Operatin temperature -40°C to + 80°C
  • Height (approx.) 1380 mm
  • Weight (approx.) 1315 gr
  • Mounting Mast Side mast with “V” bolt, Æ 35-54 mm
  • Quantity: Reviews
    Specials (32)
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