Nevada Radio

Sirio Gainmaster Half Wave

High performance 1/2 wave base antenna





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Gainmaster HW (Half Wave)

Now in stock !  Great performance from this 1/2 wave vertical that comes in at 5560mm approx. 18ft in length, and won't scare the neighbours unduly! Perfect for CB or the 10m amateur band.

  • Base station antenna, Omnidirectional
  • 1/2 wave center fed vertical dipole
  • Low radiation angle for excellent DX
  • Fiberglass 3 section composite tube
Part Numbers:


Electrical Data:

  • Type: 1/2wave center fed vertical dipole
  • Frequency range: tunable from 27.2 to 30 MHz
  • Gain: 0 dBd, 2.15 dBi
  • Bandwidth  1800 KHz @ 27.2 MHz
  • Max. power: 500 Watts (CW) continuous
  • Connector: UHF-female, PTFE insulator & gold plated central pi

   Mechanical Data:

Materials: Whip made of white fiberglass three section composite tube, radiator made of copper wire and low loss coax cable, stainless steel hardware, anodized AW6060 aluminium, UV stabilized thermoplastic

  • Height (approx.): 5560 mm / 18.2 feet
  • Weight (approx.): 2600 gr / 5.7 lb
  • Mounting mast: Ø 35-54 mm / Ø 1.4-2.1 in
  • Boxed Size: 6 feet


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