Proxicast Extra Large 3-Inch Magnetic Antenna Base (SMA Jack/SMA Plug) - 6.5 ft Coax Lead - for 3G/4G/LTE Cellular, Ham Radio, GPS Antennas Male SMA connector on 6.5 Foot Flexible Coax Lead Wire Connects to SMA Female Jacks on Routers, Modems, Radios and Receivers Use With Any Gain SMA Antenna (Cellular, HAM, ADS-B, GPS, 900 MHz, etc) -- Not for Wi-Fi Antennas Mag-Mount Antenna Holder Places Antenna in Most Favorable Location to Boost Signal Strength and Reception Extra Large 3-Inch Diameter Strong Magnet Provides Stable Mounting Rubber Cap Protects Mounting Surfaces