Wilson Electronics Black Cradle Plus Antenna (301146) Type: Antenna Color: Black Specifications: Frequency Range: 806-960 MHz / 1700-2100 MHz Impedance: 50 ohms Connector: FME Female Coax Cable: RG 174 - 7.5 feet Length: 4.125 Width: 2.875-4.5 Features: Works with Wilson Mobile Wireless or SIGNALBOOST boosters (sold separately) to boost your signal up to 10 times that of most cell phones Compatible with all cell phones Increases driver safety Supports any hands-free device, including ear-buds and Bluetooth products Adjustable to fit any size cell phone Multiple mounting options: console, dashboard or windshield Installs in minutes