One Develop PCB Coplanar Waveguide with 50Ohm impedance. PN: PCBCPWG32MCCR. PCB Size is 9/16"x9/16"x0.020", which is 3Ux3U (1U=3/16"). We also call this PCB Size CC (C is the third letter to represent 3U).
PCB Material is Rogers RO4350 RF PCB with 20mil thickness. This PCB will work over 40 GHz.
The width of Strip line is 32mil and spacing is 8mil.
This PCB will fit into 6UDD2W6S1P2 enclosure that I sale on Ebay.
The S-Parameter Plot shows this PCB that is installed in 6UDD2W6S1P2 Enclosure and using SMA connector. S-Parameter (from 10MHz to 18GHz) shows the PCB with excellent performance (Low insertion loss).