| 024 | 24 VDC |
| 100 | Solder terminals |
| 161 | 16-pin DIP with quantity one of ribbon cable, 24", female SMA connectors |
| C01 | 87104A with D-connector DC interference |
| C03 | Deletes internal 50 ohm terminations and lubricants |
| H01 | Allows operation with driveline 0 to 2 volts |
| H02 | Deletes internal 50 ohm terminations |
| T24 | 24 VDC bias with TTL logic |
| UK6 | Commercial calibration certificate with test data included |