Nevada Radio

Sirio SA270MN

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

Price:

£69.95

 

Availability:

In Stock

Delivered in 1-2 Working Days

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Description

Nice quality, higher gain fibreglass dualband VHF/UHF base antenna from Sirio, the new SA270MN will cover 145/433Mhz, and comes in at just 1780mm or 5.84ft in old money ! This model is perfect for those slightly longer 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 Low-gain, UHF High-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: 6/8 wave colinear
  • UHF: 3 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 = 61°
  • UHF: beamwidth @ -3 dB = 30°
  • Radiation angle: 0°
  • Polarization: linear vertical
  • Gain :-
  • VHF: 2 dBd - 4.15 dBi
  • UHF: 4.2 dBd - 6.35 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: 56 N @ 150 Km/h / 180 Km/h
  • Wind surface: 0.05 m²
  • Height (approx.): 1780 mm
  • Weight (approx.): 900 g
  • Radial length (approx.): 170 mm
  • Mounting mast: Ø 35-54 mm


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