Sirio Antenna Boomerang A 27-28.5Mhz Base Antenna<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 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 </span></li><li><span class="a-list-item"> 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: </span></li><li><span class="a-list-item"> 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 </span></li><li><span class="a-list-item"> Connector: uhf-female </span></li><li><span class="a-list-item"> 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 m² height (approx.): boomerang a: 3900 mm weight (approx.): boomerang 27 w: 880 gr radial length (approx.): 1730 mm </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/419QbTfStSL.jpg" noproxy>