Samtec has created a line of RF connectors that mount to the edge of PCB by bolting rather than soldering. They measure only 9.5mm from side-to-side where they sit on the PCB and are under 8mm from ...

The Ham Radio All-in-one cable (AIOC) is a small PCB attachment for a popular series ... the radio uses 12mm separation 3.5mm and 2.5mm TRS connectors, so is compatible with at least the Baofeng ...

So why should your breadboard be any different? [Axiometa] has recently unveiled a simple PCB that will plug into a standard solderless breadboard to provide 3.3 and 5 VDC when connected to a USB ...