| B1 | AutoKal |
| B10 | Increased Output Power for Port1 for ZVR4) |
| B2 | Time Domain |
| B21 | Generator Step Attenuator PORT 1 |
| B22 | Generator Step Attenuator PORT 25) |
| B23 | Receiver Step Attenuator PORT 1 |
| B24 | Receiver Step Attenuator PORT 2 |
| B25 | External Measurements, 50 ?6) |
| B4 | Mixer Measurements2) |
| B5 | Nonlinear Measurements |
| B6 | Reference Channel Ports |
| B7 | Power Calibration3) |
| B9 | 3-Port Adapter |
| K9 | Virtual Embedding Networks |
| Frequency |
|---|
| 300 KHz - 4 GHz |