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At BIG SIGNAL we have the latest generation in the design and development of Cubical Quad antennas for the 27 MHz / 11 m band.
Why choose the 3BS-11 antenna versus a traditional Yagui?
· Full wavelength antenna in 11 meters, achieving maximum performance and efficiency.
· More gain in less boom length than a traditional Yagi of the same size.
· Very low noise: Being a closed antenna, it will allow you to attenuate the QRN and improve the reception of weak signals in the band.
· Very low radiation angle even installed at low heights: This allows us to make fewer jumps until we reach the DX, resulting in a stronger signal on the other side.
· Less influence to the polarization crossing. This translates to less QSB or signal loss when receiving signals in Vertical or Horizontal Polarization.
· High selectivity. Excellent suppression of lateral and rear lobes.
· Just over 2,8 meters of turning radius, ideal for installations with reduced space.
· Very robust construction for extreme durability.
The best directional antenna option for the DX in urban environments, in times when QRM in cities is increasingly high, a closed antenna is the ultimate solution to improve the DX reception.
BIG SIGNAL - The ultimate performance in DX
Specifications:
· Band: 27 MHz.
· Active elements: 3.
· Gain: 9,34 dBi. (Free space).
· F/B: 27,07 dB.
· Polarization: Horizontal.
· SWR: 1,1:1 ~ 1,5:1.
· Impedance: 50 Ohm.
· Power rating: 5.000 W.
· Boom length: 3,92 m. / 12,86 ft.
· Turning radius: 2,80 m. / 8,95 ft.
· Total height: 2,75 m. / 9,02 ft.
· Weight: 9 Kg. / 19,84 lb
· Wind survival: > 150 Km/h. / 100 mph
Construction details:
· Boom to Mast: 150 x 150 x 6 mm.
· Boom size: 50 x 2 mm / 2,00 in
· Spiders: Angled design of 20 x 3 mm and stabilizing element to the boom of 3 mm.
· Hardware: Stainless Steel, W4 grade.
· Spreaders Arms: 14 x 7 mm reinforced fiber cloth and protective layer for the sun.
· Cable: BIG SIGNAL - Wire. Special copper cable with polyethylene (PE) sheath for excellent weather protection and mechanical resistance.
· Feeding: Direct to 50 Ohm coax.
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