Nevada Radio

Sirio CX 4-68

4 metre (70MHz ) Vertical Antenna

Price:

£69.95

 

Availability:

In Stock

Delivered in 1-2 Working Days

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Description

Sirio CX-4-68

Quality 3/4 wave coaxial J-pole type 4 Metre, Amateur Band, base antenna, designed to work between 68 and 73 Mhz. The 4 metre (70Mhz) Amateur band is much more active now, and this antenna will give great performance too.                 

      Features:
  • 4 Metre Base station vertical co-linear antenna
  • Low-gain, Omnidirectional
  • Protection from static discharges DC-Ground
  • Made of aluminium alloy 6063 T-832
 

      Electrical Data
  • Type: 3/4 wave coaxial J-pole
  • Frequency range: tunable 68...73 Mhz
  • Full coverage of 4 metre Amateur Band 
  • Impedance: 50 Ohms
  • Radiation (H-plane): 360° omnidirectional
  • Radiation (E-plane): beamwidth @ -3 dB = 60°
  • Radiation angle: 3°
  • Polarization: linear vertical
  • Gain: 2dBd - 4.15 dBi
  • Bandwidth @ SWR 1:1.5: 1.7 MHz @ 68 Mhz
  • SWR. @ res. freq.1:1.2
  • Max. Power (CW) @ 30°C: 500 Watts
  • Grounding protection: All metal parts are DC-grounded, the inner conductor shows a DC short
  • Connector: UHF-female
  
      Mechanical Data
  • Materials: Aluminium, Brass, Stainless Steel, Nylon
  • Wind load / resistance: 97 N @ 150 Km/h / 150 Km/h
  • Wind surface: 0.08 m²
  • Height (approx.): from 2700 to 3360 mm
  • Weight (approx.): 1900 gr
  • Mounting mast: Ø 35-42 mm

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