The 034-1065-12G: This connector is built for high-frequency video distribution, broadcast equipment, and test instrumentation where the 75 Ohm path and HD-BNC interface are specified.
The 75 Ohm impedance matches standard video and data distribution cabling — Belden 1855A and similar — so the connector does not create a reflection point in the line. The 18 GHz maximum frequency is well above the 3 GHz ceiling of a standard BNC, which means this HD-BNC variant handles higher-order digital video signals and instrumentation bandwidth without rolling off the upper harmonics.
Through-hole mounting with solder termination for both the shield and the centre contact. The centre contact solder cup accepts the signal conductor. No crimp tooling needed — this is a solder-in-place jack for PCB mounting.