The Larsen NMOKHFCX vehicle roof mount antenna installation hardware kit is an NMO mount for Motorola-style mobile antennas, 0 – 1000 MHz. This nickel, copper, and zinc alloy permanent mount are for a 3/4 in hole in mounting surfaces from 0.1 – 0.03 in. The vehicle roof mount converts to high frequency applications (0 – 6000 MHz) by removing center pin.
The Larsen mobile antenna mount includes 17 ft of RG-58A/U cable. Purchase connector separately. Thread size is 1 1/8 in-18.