Attributes
| Key | Value |
|---|---|
| 1D5 | High Stability Frequency Reference |
| 1DN | Tracking Generator, 9 kHz to 1.5 GHz |
| 1DR | Narrow resolution bandwidths |
| A4H | GPIB and parallel printer interface |
| AYQ | EMI detectors and FM demod |
| B72 | Memory extension to 10 MB |
| Condition | Used |
| Frequency | 1.5 GHz |
| Manufacturer | Agilent, HP, Keysight |