Comet Original CA-2X4SRNMO 144/446 MHz Dual-Band WideBand Mobile Antenna w/ NMO type Connector<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"> 1.5:1 or less SWR: 144-148/440-450MHz </span></li><li><span class="a-list-item"> 2:1 or less SWR: 140-160/435-465MHz </span></li><li><span class="a-list-item"> Gain: 3.8/6.2dBi， Max Power: 150 watts </span></li><li><span class="a-list-item"> Length: 40 inches ， Connector : NMO </span></li><li><span class="a-list-item"> Antenna comes disassembled and does not require any tuning. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/21D-rtfG8-L.jpg" noproxy>