The BN 533861 from Spinner Group is a VNA Calibration Kit with Frequency DC to 18 GHz, Insertion Loss 0.16 dB, Max Input Power 0.5 W, Operating Temperature 18 to 28 Degree C, Return Loss 28 to 42 dB. Tags: Passive Calibration Kit. More details for BN 533861 can be seen below.