The PCTEL Maxrad NMOPFP195-NC vehicle roof mount antenna installation hardware kit is for Motorola-style high frequency mobile antennas up to 6000 MHz. This NMO mount is a brass permanent mount for a 3/4 in hole. The PCTEL mobile antenna mount includes 17 ft of ProFlex Plus cable. No connector is included. Thread size is 1 1/8 in-18.