Specification: UHF male PL259 connector, 50 ohm Impedance; The GMRS radio antenna base Lip Hatchback Mount bracket widely used in mobile antenna with NMO connector Lip Mount Fixed Bracket: Strong bracket lip mount, sturdy and long service life; The antenna mount can adjust the angle to install, easy to adjust your antenna placement, no holes/drilling required RG58 Coaxial Cable: 16.5 ft coaxial extension cable, designed with copper and wrapped in high quality PE jacket, which could maximum protect the signal over large distance; Ultra low-loss in signal transmission NMO Antenna Base Cap: Effectively protects the unused NMO antenna in all environments; The design of O ring seal in the base to keep water out, especially removing the antenna when washing your car, the NMO rain cap protect the NMO base to prevent rust Wide Application: PL259 male connector compatible with Two Way Radio, Car SUV Truck Ham Radio, Mobile Radio, Midland, Stryker, Galaxy, Cobra, AnyTone, Amateur Radio Ham Radio that with SO239 female device Package Include: 1 x NMO antenna lip mount fixed bracket with 16.4 ft RG58 coaxial cable. 1 x NMO antenna mount cap.