Keysight Technologies Inc. R11644A WR-28 calibration kit, 26.5-40 GHz
The Keysight R11644A calibration kit contains the precision mechanical standards required to calibrate the systematic errors of Keysight network analyzers. This calibration kit has a precision airline for performing the Thru-Reflect-Line (TRL) calibration, the most accurate error-correction technique for coaxial measurements. This kit also contains a commercial calibration certificate, flush short circuit, a precision shim, and a fixed termination.