3/4" NMO Cable Assembly: 3/4" hole NMO Connector (also called a 3/4" hole NMO Mount) at one end, LMR-195 (or equivalent, such as HPF195) Coaxial Cable (Teflon insulator, 0.2" OD PE jacket).
Select cable length and RF connector at other end.
The NMO Mount or NMO connector (Motorola Mobile connector) is used with mobile radio antennas having an NMO interface/base.