An apparatus includes an end cap capable of supporting numerous antenna configurations and securing connectors without the use of additional hardware. An end cap assembly for connecting a cable to the end cap comprises the end cap including one or more flanges, wherein each of the one or more flanges includes a plurality of edges defining a cavity, the plurality of edges being configured to mate with a portion of a connector, and a flange nut including a first plurality of serrations configured to mate with a second plurality of serrations on an outside of the end cap, wherein the flange nut and the flange are formed so as to allow for attachment of the cable to the end cap.