| Model Number | GPA-0408B |
| Min Frequency (MHz) | 4000 |
| Max Frequency (MHz) | 8000 |
| Gain (dB) | 19 |
| OP-1 (dBm) | 22.5 |
| Flatness (db) | ±1.0 |
| Supply (V) | +5 |
| Current (mA) | 175 |
| PSAT (dBm) | 23.5 |
| Model Number | GPA-0408B |
| Min Frequency (MHz) | 4000 |
| Max Frequency (MHz) | 8000 |
| Gain (dB) | 19 |
| OP-1 (dBm) | 22.5 |
| Flatness (db) | ±1.0 |
| Supply (V) | +5 |
| Current (mA) | 175 |
| PSAT (dBm) | 23.5 |