Nevada Radio

Sirio SA270SN

Dual-Band VHF/UHF 145/433Mhz Base Antenna

Price:

£59.95

 

Availability:

In Stock

Delivered in 1-2 Working Days

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Description

Nice quality fibreglass dualband VHF/UHF base antenna from Sirio, the new SA270SN will cover 145/433Mhz, and comes in at just 1325mm or 4.347ft in old money ! so will not frighten the neighbours either.

  • Features:
  • Base station antenna, Omnidirectional
  • Dual-Band   145/433Mhz
  • VHF Low-gain, UHF Medium-gain
  • Protection from static discharges DC-Ground
  • Stainless steel hardware and radials
  • Equipped with anodized aluminium bracket for an easy side mast installation
  • High quality whip made of brass and copper protected by fiberglass tubing

  • Electrical Data
  • Type:
  • VHF: 1/2 wave colinear
  • UHF: 2 x 5/8 wave colinear
  • Frequency range @ SWR <2>:
  • VHF: 142-148 MHz
  • UHF: 426-443 MHz
  • Impedance: 50 Ohms
  • 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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