European GSM frequencies (900 MHz, 1800MHz and 2100MHz) magnetic mount antenna with one open and one closed coil. Metal Ground Plane is Required (metal on car will act as a ground plane.) Unit is about 12 inches tall and Includes magnetic base and 10 feet of RG-174U (thin) coax cable with FME Female connector. Great for use with Wilson European Bands (900/1800MHz or 900/2100MHz) SignalBoost Power Booster.