| B10 | GPIB interface (hardware option) |
| B22 | Extended power range down to -50dBm (retrofittable in service only) |
| DCV-2 | Documentation of calibration values |
| DCV-ZP | Printout of DCV (additional, in combination with DCV-Option only) |
| K2 | Time domain analysis (software license) |
| ZNB-B10 | GPIB interface |