The Rosenberger CK 100‑150 Calibration Kit is a high-performance RF calibration solution tailored for RPC‑N (50 Ω) connectors, typically covering DC to 18 GHz. Supplied in a sturdy wooden box with test reports, it's engineered for precise VNA calibration—featuring open, short, and load standards in male and female versions, plus superior mechanical stability and repeatable RF performance