Rohde Schwarz / Network Analyzer / ZVRE/ZVR-B21/ZVR-B23/ZVR-B24 
The Rohde & Schwarz (R&S) ZVR Vector Network Analyzer is a high-end and precise
 network analyzer, designed for extremely fast, highly accurate, and versatile t
esting and is suitable for applications in R&D and production no matter how soph
isticated. The R&S ZVR Analyzer is a compact instrument with an integrated gener
ator, built-in test set and receiver, an electronic RF switch, two measurement c
hannels and two reference channels.

Features and Specifications of the R&S ZVR Vector Network Analyzer include:
Test Set:  Bidirectional
Receiver Channels:  4
Frequency Range:  Up to 4 GHz
Wide Dynamic Range (with external measurement option):   >130 dB
High Sensitivity:  
High Measurement Speed:  
High Sweep Rate:  >>25 sweeps/s (200 points)
Low Inherent Noise:  
Fast IEC/IEEE bus (from marker request to data output (real and imaginary value
s)):  
High Frequency Resolution:  10 μH
Automatic two-port Calibration with AutoKal option
Manual Calibration Techniques:  TOM, TRM, TRL, TNA, TOSM, TOM-X
Short Calibration Times:  
Large Display:  active 26 cm colour LCD
Internal PC with Windows NT suitable for PC Applications