Sirio Antenna m400 Sirio Starduster M-400 26.5， Tunable Base Antenna<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Base station antenna unity-gain， omnidirectional low radiation angle for excellent dx high power handling capability made of aluminum alloy </span></li><li><span class="a-list-item"> Type: 1/4 wavelength boomerang frequency range: tunable from 26.5 to 30 MHz impedance: 50 ohms </span></li><li><span class="a-list-item"> Radiation (h-plane): 360° omnidirectional polarization: linear vertical gain: 0 DBD， 2.15 DBI bandwidth @ SWR = 2000 KHZ @ 26.5 MHz </span></li><li><span class="a-list-item"> SWR @ res. freq.: &lt;= 1.5 Max， power: 1000 watts (CW) continuous， 3000 watts (pep) short time </span></li><li><span class="a-list-item"> Connector: uhf-female </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31d23GzYE-L.jpg" noproxy>