Nevada Radio

Sirio SA270LN

High Gain VHF/UHF Co-Linear Antenna



RRP £109.95, save £10.00!


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  • Sirio SA270LN : Image 1
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Nice quality, highest gain fibreglass dualband VHF/UHF base antenna from Sirio, the new SA270LN will cover 145/433Mhz, and comes in at just 2790mm or 9.153ft in old money ! so this is the BIG one !
This model is perfect for those long distance QSO's on 2m and 70cms, and will give you years of trouble free operation. Fitted with low loss N type socket with a gold plated centre pin for cable connection.

  •     Features:
  •     Base station antenna, Omnidirectional
  •     Dual-band
  •     VHF Medium-gain, UHF High-gain
  •     Protection from static discharges DC-Ground
  •     Stainless steel hardware and radials
  •     Fiberglass whip made of two conic sections jointed by ABS parts for distortion free radiation diagram
  •     High quality whip made of brass and copper protected by fiberglass tubing


    Electrical Data
    Type :-
    VHF: 2 x 5/8 wave colinear
    UHF: 5 x 5/8 wave colinear
    Frequency range @ SWR <2>
    VHF: 143.3-146.7 MHz
    UHF: 424.0-442.0 MHz
    Impedance: 50 ohms
    Radiation (H-plane): 360° omnidirectional
    Radiation (E-plane):
    VHF: beamwidth @ -3 dB = 39°
    UHF: beamwidth @ -3 dB = 22°
    Radiation angle:
    VHF: 0°
    UHF: -4°
    Polarization: linear vertical
    Gain :-
    VHF: 3.2 dBd - 5.35 dBi
    UHF: 5.8 dBd - 7.95 dBi
    Max. power (CW) @ 30°C: 200 Watts
    Grounding protection: all metal parts are DC-grounded, the inner conductor is coupled capacitively
    Connector: N-female, gold plated central pin


    Mechanical Data :-
    Materials: Fiberglass, Aluminium, Brass, Stainless Steel
    Wind load / resistance: 81 N @ 150 Km/h / 160 Km/h
    Wind surface: 0.07 m²
    Height (approx.): 2790 mm
    Weight (approx.): 1250 gr
    Radial length (approx.): 495 mm
    Mounting mast: Ø 35-54 mm

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