Anritsu TOSLK50A-20 Coaxial Calibration Kit, K(m), DC to 20 GHz
Anritsu TOSLK50A-40 Coaxial Calibration Kit, K(m), DC to 40 GHz
Anritsu TOSLN50A-18 Coaxial Calibration Kit, DC to 18 GHz
Keysight E4990-61001 100Ω Resistor for E4990A
Agilent 85036B Calibration Kit, Type-N, 75 Ohms