Sirio CX 440 (440-455 MHz) J-POLE UHF Base Antenna

  • Model: SIR-UHBA-C440
  • Shipping Weight: 2 lbs
  • 10 Units in Stock

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$59.00

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3/4 λ VHF antennas for base station service made of hi-quality materials to get the maximum efficiency and the best performance. It is completely manufactured with aluminium tubes and nylon for its great robustness and it is supplied with a solid steel bracket for an easy and safe installation everywhere.

Its Gamma Match feed makes it earthed for a perfect protection against the discharges. In the mentioned range of frequencies, no adjustments are required. Simple and strong it is particurly recommended for a professional use.

Features:

  • Base station antenna, Mono-band
  • Low-gain, Omnidirectional
  • Protection from static discharges DC-Ground
  • Made of aluminium alloy 6063 T-832

    Electrical Data

  • Type: 3/4λ coaxial J-pole
  • Frequency range: 440-455MHz No tuning required
  • Systems: 70cm-HAM
  • Impedance: 50Ω
  • Radiation (H-plane): 360° omnidirectional
  • Radiation (E-plane): beamwidth @ -3 dB = 60°
  • Radiation angle: 18°
  • Polarization: linear vertical
  • Gain: 0dBd – 2.15 dBii
  • Bandwidth @ SWR ≤2: see diagram
  • SWR @ res. freq.: see diagram
  • Max. Power (CW) @ 30°C: 250 Watts
  • Grounding protection: All metal part are DC-grounded, the inner conductor shows a DC-short
  • Connector: N-female

    Mechanical Data

  • Materials: Aluminium, Brass, Steel, Nylon
  • Wind load / resistance: 25 N @ 150 Km/h / 180 Km/h
  • Wind surface: 0.02 m²
  • Height (approx.): 590 mm / 1.94 ft
  • Weight (approx.): 540 gr / 1.19 lb
  • Mounting mast: Ø 235-42 mm

  • This product was added to our catalog on Saturday 20 April, 2024.

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