| 01 | RF Preselector 1.7 - 21 GHz |
| 02 | Digitized Display |
| 03 | Phase Lock & Narrow RBW |
| 08 | Delete External Mixer Capability |
| 21 | External Waveguide Mixers 18 - 40 GHz |
| 22 | External Waveguide Mixers 18- 60 GHz |
| 30 | Rackmount Cabinent |
| 31 | Rear Panel Connectors |
| 39 | Silver Memmory Battery |
| 42 | Rear Panel 2nd IF output (110 MHz) |
| 52 | North American 220 V operation |
| Form Factor |
|---|
| Rackmount ( /30 ) |