T-probe (GSG, GS type) for 40 GHz
Withwave start to release New T-probe for 40 GHz. this probe provides excellent electrical performance for application having test point with adjacent grounds for 40 GHz, specially, on GCPWG (Ground Coplanar Waveguide) and Top Ground Microstrip substrate. This probe have various range of 0.8, 1.5 and 2.5 mm from signal to ground contacts and are produced by precision manufacturing process.
If you need more information, please see following datasheet