This is a test board made for a microwave fixture with microstrip traces in a coplaner waveguide. Equal length traces with SMA connectors at equal spacing.
Microwave Microstrip
This is a multi-board microwave module, with 2 way dividers and signal switching circuits.
Microwave Stripline
This is a multilayer microwave board design, with microstrip traces on the top layer and stripline traces on the bottom.