| Model Number | GPA-0420F |
| Min Frequency (MHz) | 4000 |
| Max Frequency (MHz) | 20000 |
| Gain (dB) | 25 |
| OP-1 (dBm) | 21 |
| Flatness (db) | ±0.75 |
| Supply (V) | +5 |
| Current (mA) | 150 |
| PSAT (dBm) | 22 |
| Model Number | GPA-0420F |
| Min Frequency (MHz) | 4000 |
| Max Frequency (MHz) | 20000 |
| Gain (dB) | 25 |
| OP-1 (dBm) | 21 |
| Flatness (db) | ±0.75 |
| Supply (V) | +5 |
| Current (mA) | 150 |
| PSAT (dBm) | 22 |