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Sirio SD-FM Dipole 87-194 Mhz Tunable Base Antenna

  • Model: SIR-VHBA-SDFM
  • Shipping Weight: 2 lbs
  • 12 Units in Stock

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$75.00

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Dipole base station antenna working on 87 - 194 Mhz by cutting. Optimized for vertical polarization it can be also placed in horizontal polarization. The elements are fixed to the boom by a strong die-cast metal support to get the maximum strength.
All connections are waterproof and it is supplied with UHF female connector. To inprove the antenna gain please install it in stacked or bayed array.

Features:

  • Base station antenna, Mono-band
  • Unity-gain, Horizontal or Vertical polarization
  • Directional (if Horizontal) or Omnidirectional (if Vertical)
  • Made of aluminium alloy 6063 T-832

    Electrical Data

  • Type: 1/2 λ
  • Frequency range:87…194 MHz Tunable
  • Systems: 6m-HAM, 2m-HAM, VHF Airband, VHF Marine Band, ORBCOMM M2M, AIS-162MHz, FM, ISM-169MHz
  • Impedance: 50Ω
  • Bandwidth: ≥ 14.5MHz @ SWR ≤ 1.5
  • Polarization: Linear Vertical or Horizontal
  • Gain: 1.85 dBd - 4 dBi (vertical polarization only)
  • Bandwidth @ SWR ≤2: see diagram
  • SWR @ res. freq.: see diagram
  • Max. Power (CW) : 300 W (CW)
  • Grounding protection: All metal part are DC-grounded, the inner conductor shows a DC-short
  • Connector: UHF-female (SO-239)

    Mechanical Data

  • Materials: Aluminium, zamak, zinc plated steel, chromed brass
  • Wind load / resistance: 99 N @ 150 Km/h / 160 Km/h
  • Wind surface: 0.08 m²
  • Dimensions (approx): 1600 x 1030 mm / 5.25 x 3.38 ft
  • Weight (approx.): 1850 gr / 4.08 lb
  • Mounting mast:On-Mast

    • This product was added to our catalog on Monday 15 April, 2024.

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