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At BIG SIGNAL we have the latest generation in the design and development of Cubical Quad antennas for the 70 MHz / 4 m band.
Why choose the 2BS-4 antenna versus a traditional Yagui?
· Full wavelength antenna in 4 meters, achieving maximum performance and efficiency.
· More gain in less boom length than a traditional Yagi.
· Noise reduction: Being a closed antenna, it will allow you to attenuate the QRM and improve the reception of weak signals in the band
· Very low radiation angle even installed at low altitude: This allows us to make fewer jumps until we reach the DX, resulting in a stronger signal on the other side.
· Just over 0,8 meter of turning radius, ideal for installations with reduced space.
· Very robust construction with high quality materials 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 definitive solution to improve DX reception.
BIG SIGNAL - The ultimate performance
Specifications:
· Band: 70 MHz.
· Active elements: 2.
· Gain: 7,83 dBi. (Free space).
· F/B: 13,33 dB.
· Polarization: Horizontal.
· SWR: 1,1:1 ~ 1,5:1.
· Impedance: 50 Ohm.
· Power rating: 5.000 W. PEP
· Boom length: 0,71 m / 5,80 ft
· Turning radius: 0,78 m / 6,85 ft
· Total height: 1,4 m / 8,20 ft
· Weight: 3 Kg / 12,22 lb
· Wind survival: > 160 Km/h. / 100 mph
Construction details:
· Boom to Mast: 100 x 100 x 6 mm
· Boom size: 30 x 2 mm / 1,18 in
· Spiders: Angled design of 20 x 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.
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