The AT-350 Active GPS antenna offers a solution when a permenently mounted GPS Antenna is required. The water-resisteant housing has an IPX7 rating and can endure the harshest weather. Applications for the AT-350 include police, fire, ambulance, emergency, utility and commercial uses as well as applications for boats, RV's and equipment trailers. Includes SMA-Male connector and 3M cable. Requires 7/8 in. hole to mount.