Comet Original HT-224 Handheld 146/223/446 Tri-Band / Wide Receive: 118-160， 180-280， 360-520 MHz Antenna - Connector SMA<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"> Transmit: 146/223/446 MHz </span></li><li><span class="a-list-item"> Receive: 118~160， 180~280， 360~520 MHz </span></li><li><span class="a-list-item"> Connector Type: SMA </span></li><li><span class="a-list-item"> Length: 11 Inches </span></li><li><span class="a-list-item"> Gain:144 Mhz.1.3dBi 1/4 wave，220 MHz.1.4dBi 1/2 wave，440 MHz. 1.8dBi 5/8 wave，Max Power:10W </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31fE6Pju-KL.jpg" noproxy>