| 360 |
| Advantest | U3771 | Spectrum Analyzers (Signal Analyzers) | 9 kHz to 31 GHz |
| 361 |
| Advantest | U3772 | Spectrum Analyzers (Signal Analyzers) | 9 kHz to 43 GHz |
| 4706 |
| Advantest | Q7760 | Optical Spectrum Analyzers | Optical Analyzer |
| 9485 |
| Advantest | R3273 | Spectrum Analyzers (Signal Analyzers) | R3273, Spectrum Analyzers, 3.5GHz/8GHz/26.5GHz |