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SIRIO SD 3000 N Discone Antenna 300 MHz-3 GHz

SIRIO SD 3000 N Discone Antenna 300 MHz-3 GHz
This antenna covers the frequency tange of 300-3000 MHz and, due to its broadband concept, is suited for scanner and monitoring applications.

Back in stock in Feb 2014 This version of SD 3000 N with “N” female connection

Wide-band discone antenna working on 300-3000 MHz in reception and on many amateur frequencies in transmission (70cm, 33cm, 23cm, 13cm). It is made of stainless steel, chromed brass and anodized aluminium to guarantee the best efficiency and performance. Easy to fit, it can be suitable for the installation everywhere.

The antenna is capable also for transmit purposes, with a SWR = 2 and a transmitting power of up to 200 W, within the following ranges:

340-535 MHz
545-960 MHz
1180-1380 MHz
1660-1910 MHz
1980-3000 MHz


  • Base station antenna, Omnidirectional
  • Unity-gain
  • Extremely wide-band suitable for scanner use
  • Transmission capability in several Ham bands
  • Perfect protection against the worst weather conditions
  • Stainless steel hardware and radials
  • Equipped with anodized aluminium bracket for an easy side mast installation
  • 17/7 PH stainless steel cylindrical whip

    Electrical Data

  • Type: discone
  • Frequency range: RX band: 300-3000 MHz TX band (@ SWR ≤2): 340-535, 545-960, 1180-1380, 1660-1910, 1980-3000 MHz
  • Impedance: 50Ω
  • Radiation (H-plane): 360° omnidirectional
  • Radiation (E-plane): frequency dependent, see the pattern
  • Radiation angle: frequency dependent, see the pattern
  • Polarization: linear vertical
  • Gain: 0 dBd - 2.15 dBi @ lowest frequency
  • Max. power (CW) @ 30°C: 200 Watts Connector: SD 3000 N: N-female, gold plated central pin

    Mechanical Data

  • Materials: Stainless Steel, Chromed Brass, Nylon
  • Wind load / resistance: 32 N @ 150 Km/h / 150 Km/h
  • Wind surface: 0.03 m²
  • Height (approx.): 725 mm
  • Weight (approx.): 830 gr
  • Cone Radial length (approx.): 550 mm
  • Mounting mast: Ø 25-54 mm
  • Quantity: Reviews
    Specials (27)
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