At BIG SIGNAL we present the latest generation in design and development of Cubical Quad antennas for the VHF / 144 MHz band.
Why choose a Quad antenna versus a traditional Yagi?
· Full wavelength antenna in 2 meters, reaching maximum performance and efficiency.
· More gain in less boom length than a Yagi of the same size.
· Very low noise. Being a closed antenna it will allow you to reduce the QRN and urban noise, improving the quality of reception of very weak signals in the band.
· Less influence to cross polarization than a Yagi. This translates into less QSB, fading or signal loss when receiving signals in different polarization, ideal for communications via SAT or EME.
· Very high selectivity. Excellent suppression of side and rear lobes, further reducing unwanted noise in reject directions.
· Quick and easy installation: pre-assembled elements, assembly without tools.
The best directional antenna option for 144 MHz on urban environments, in times where noise in cities is increasingly high, a cubical quad antenna is the definitive solution for DX practice with the maximum guaranteed performance.
BIG SIGNAL - The ultimate performance
· Band: 144 MHz. · Active elements: 8. · Gain: 13,62 dBi (Free space). · F/B: 23,35 dB. · SWR: 1,1:1 ~ 1,5:1. · Impedance: 50 Ohm. · Power rating: 5.000 W. PEP · Boom length: 3,60 m. / 11,81 ft. · Turning radius: 1,83 m. / 6,00 ft. ·Total height: 73 cm. / 2,395 ft. · Weight: 4 Kg. / 8,81 lb. ·Wind survival: > 200 Km/h. / 125 mph · Wind load:0,092 m2 | 71,82 N | @ 120 km/h.
· Boom to Mast: 150 x 100 x 6 mm ·Boom size: 30 x 2 mm square / 1,18 in ·Hardware: Stainless Steel, W4 grade. ·Spreaders Arms: 8 x 4 mm reinforced fiberglass tube with UV protection layer. · 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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