Articulating joint it can be rotated 360 degrees and is capable of maneuvering into three stop positions 0 degrees 45 degrees and 90 degrees male threaded neill concelman tnc connector it lets you directly mount the antenna to any cisco 4g and cisco 3g wireless integrated services router isr ehwic with a tnc connector the threads on the connector must comply with the ansi 716 28 unef 2b thread specification main specifications product description cisco 4g 3g omnidirectional dipol