Magnetic Indoor Base or Mobile All Band Scanner Antenna, with Cable and Bnc Connector INDOOR BASE OR MOBILE SCANNER ANTENNA, WITH BNC CONNECTOR INCLUDES HEAVY DUTY 5" CHROME MAGNETIC BASE WITH 16 FEET OF RG58u CABLE Omni-directional design, 23 inches tall, 21 inches wide at top Black fiberglass heli-wound antenna construction, antenna threads 3/8 x 24