Thanks to the QuickConnect system, the Shakespeare QuickConnect VHF Antenna screws in and unscrews to the mount with ease. This high-quality connection is so secure, any vibration noises are completely cancelled. A splash protector cap keeps the connection on the mount dry and clean when you remove the Shakespeare QuickConnect VHF boat antenna. The 8'-tall fiberglass antenna has an easy crimp-on PL-259 base connector which works with the QuickConnect Antenna Mount (not included). This is a single-section antenna with a VSWR of <1.5:1 at 156.8 MHz. Bandwidth of 5MHz within 2.0:1 VSWR. Maximum input power of 50 watts. No built-in DC ground connection. Mfrs. 2-year warranty. VHF antenna screws in and unscrews with ease PL-259 connector works with Quick Connect antenna mount (not included) High-quality connection without vibration noises Splash protector cap