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Sirio Antenna > 
Item#: 9SIA11W0F42106

Sirio SD-FM Dipole 87-194 Mhz VHF Base Station Antenna

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Dipole base station antenna working on 87 - 194 Mhz by cutting. Optimized for vertical polarization it can be also placed in horizontal polarization. The elements are fixed to the boom by a strong die-cast metal support to get the maximum strength. All connections are waterproof and it is supplied with UHF female connector. To inprove the antenna gain please install it in stacked or bayed array.


Base station antenna, Mono-band
Unity-gain, Horizontal or Vertical polarization
Directional (if Horizontal) or Omnidirectional (if Vertical)
Made of aluminium alloy 6063 T-832

Electrical Data

Type: 1/2? dipole
Frequency range: tunable 87...194 MHz
Impedance: 50O
Radiation (H-plane): beamwidth @ -3 dB = 240*°
Radiation (E-plane): 80*°
Polarization: linear horizontal or vertical
Gain: 1.85* dBd - 4* dBi
Bandwidth @ SWR 1.5: = 14.5* MHz @ 87 MHz
SWR @ res. freq.: = 1.2* @ 87 MHz
Max. Power (CW) @ 30°C: 300 Watts
Grounding protection: all metal parts are DC-grounded, the inner conductor is coupled capacitively
Connector: UHF-female

Mechanical Data

Materials: Aluminium, zamak, zinc plated steel, chromed brass
Wind load / resistance: 99 N @ 150 Km/h / 160 Km/h
Wind surface: 0.08 m²
Dimensions WxH approx.): 1030 x 1600 mm
Weight (approx.): 1850 gr
Turning radius: 990mm
Operating temperature: -40°C to + 80°C
Mounting mast: Ø 35-50 mm
Quantity: Reviews

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Sirio Antenna


Sirio Antenna
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Item#: 9SIA11W0F42106
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