Rohde and Schwarz ZVB404

B18	Removable Flash Disc for ZVA/ZVB with controller unit FMR7/3 or FMR7/6
B22	Generator Step Attenuator ZVB4, ZVB8, port 2, mechanical, 70dB max.
B4	Oven quartz (OCXO) for ZVA, ZVB, ZVT
C3	Three years of depot calibration coverage based on the R&S recommended calibration interval - includes test data. The first calibration is included with product delivery with 2 additional depot calibration(s).
C5	Five years of calibration coverage based on the R&S recommended calibration interval - includes test data. The first calibration is included with product delivery with 4 additional depot calibration(s).
DCV-2	Documentation of calibration values
DKD	ZVB4 DKD(ISO17025) calibration incl. ISO 9000 calibration (order only with device)
K2	Time domain (for ZVA, ZVB, ZVT)
K3	Mixer- and harmonic measurements
K30	Noise figure measurement on linear and frequency converting 2 port devices (for ZVA, ZBV and ZVT,
R3	Three years of depot repair coverage, including re-calibration if necessary to complete the repair. First year of repair coverage is provided by the 12-month new product warranty.
R5	Five years of depot repair coverage, including re-calibration if necessary to complete the repair. First year of repair coverage is provided by the 12-month new product warranty.
Z51	Calibration unit, 300 kHz - 8 GHz; 4 ports, N(f)