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Sirio SA 270 SN VHF/UHF Fiberglass Hi-Gain Dual Band Antenna

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Availability: In stock

£49.99

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Sirio SA 270 SN VHF/UHF Fiberglass Hi-Gain Dual Band Antenna

Sirio SA 270 SN VHF/UHF Fiberglass Hi-Gain Dual Band Antenna

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Details

  • Model: sa270sn
  • Shipping Weight: 3.5lbs
  • Manufactured by: Sirio Antenna
Ground Plane colinear dual-band antenna for base station service working on the radio-amateur frequency of 2m/70cm. The radial whip is of brass inserted in a conic fiberglass tube for a perfect protection from the worst climates and the radials are of stainless steel to get the maximun strength. They are supplied with a solid aluminium bracket for an easy installation on the support mast.

Works for for VHF 143-149 MHz, UHF 440-450 MHz

 

Electrical Data

 

 

  •   Type:  VHF: 1/2λ colinear  UHF: 2 x 5/8λ colinear
  • Frequency range @ SWR ≤2:  VHF 143-149 MHz, UHF 440-450 MHz
  • Impedance: 50Ω
  • Radiation (H-plane): 360° omnidirectional
  • Radiation (E-plane):  VHF: beamwidth @ -3 dB = 68°  UHF: beamwidth @ -3 dB = 36°
  • Radiation angle: 0°
  • Polarization: linear vertical
  • Gain:  VHF: 1 dBd - 3.15 dBi  UHF: 3.3 dBd - 5.45 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: 37 N @ 150 Km/h / 200 Km/h
  • Wind surface: 0.03 m²
  • Height (approx.): 1325 mm
  • Weight (approx.): 810 gr
  • Radial length (approx.): 170 mm
  • Mounting mast: Ø 35-54 mm

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