The Cushcraft A3S is a three element triband beam. The antenna handles full legal power, and features pinned boom sections, heavy duty element clamps with backing plates, and all stainless steel hardware. The antenna is a great choice for limited space installations. The A743 kit adds 30m or 40m coverage.

Tech specs:
Band coverage: 20, 15, 10m
Optional bands: 40/30m
Element: 3
Forward gain: 8dBi
F/B ratio: 25dB
2:1 bandwidth > 500kHz
Typical VSWR: 1.2:1
3 dB beamwidth: 60 degrees
Power handling: 2000 W
Boom length: 14 ft / 4.26m
Boom diameter 1.5 in / 38mm
Longest element 27.8 ft / 8.47m
Turning radius 15.5 ft / 4.72m
Accepted mast diameter 1.25-2 in / 32-51mm
Windload 4.4 sq ft / 0.41 kvm
Weight 27 pounds / 12.25kg