ARC Wireless Freedom Antenna. It attaches to a port on the side of your cell phone and can greatly increase reception. I used it without any problems when I lived way out in the woods in Tennessee. Coaxial adapter cable is attached and included (see picture). Follow this link to ARC's website to get more details: http://www.freedomantenna.com/freedom-antenna-details Location: UNM it's NOT ok to contact this poster with services or other commercial interests newmexico