DHT Electronics External GPS Antenna with BNC male for Garmin StreetPilot III， GPS V III+ Sounder GPSMap 178C 188 276C 298c 398c 498c iCOM 270ML 370ML<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"> package include:1 x GPS antenna ; </span></li><li><span class="a-list-item"> antenna cable is about 10 feet </span></li><li><span class="a-list-item"> DHT Electronics Brand is a Registered Trademark of DHT LLC.Only authorized seller of DHT Electronics can sell under DHT Electronics listings. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41F3%2BcLgmQL.jpg" noproxy>