These new RF calibration components feature precision-machined components, robust thermal cycling tolerance, and excellent impedance matching—delivering stable performance from ambient down to millikelvin temperatures. Compatible with standard coaxial interfaces, the kit includes calibration standards such as short, open, load, and thru, all optimized for cryogenic use. Ideal for research institutions, national labs, and advanced R&D environments, XMA’s cryogenic calibration components bring trusted accuracy and reliability to the frontier of RF measurement in extreme environments.