Sirio Antenna Boomerang A 27-28.5Mhz Base Antenna Balcon or temporary installation antenna mono-band omnidirectional factory tuned at mid-band tunable by whip length adjusting boomerang 27 a: main whip made of aluminium alloy 6063 t-832 and tapered fiberglass radial with inside helical winding Type: 1/4 boomerang frequency range: 27-28.5 mhz impedance: 50 radiation (h-plane): 360 omnidirectional polarization: linear vertical gain: 0 dbd, 2.15 dbi bandwidth @ swr 2: Boomerang a: 1200 khz swr @ res. freq.: 1.2 max. power: boomerang a: 200 watts (cw) continuous, 600 watts (cw) short time feed system / position: direct / center Connector: uhf-female Materials: aluminium, steel, nylon, fiberglass, copper wind load: oomerang a: 52 n @ 150 km/h wind resistance: 140 km/h wind surface: boomerang a: 0.041 m height (approx.): boomerang a: 3900 mm weight (approx.): boomerang 27 w: 880 gr radial length (approx.): 1730 mm