Cholumikizira cha TNC ndi kachidutswa kakang'ono, kolumikizidwa ndi cholumikizira cha BNC chokhala ndi cholumikizira chokhazikika cha 50 Ω komanso ma frequency angapo a DC mpaka 11 GHz.TNC mndandanda amapangidwa ndi muyezo ndi reverse polarity.Amakhala ndi magwiridwe antchito abwino kuposa zolumikizira za BNC pama frequency a microwave ndipo ndiabwino pazogwiritsa ntchito zosiyanasiyana.