| Model Number | GPA-1721A |
| Min Frequency (MHz) | 17000 |
| Max Frequency (MHz) | 21000 |
| Gain (dB) | 19 |
| OP-1 (dBm) | 30 |
| Flatness (db) | ±1.75 |
| Supply (V) | +6 |
| Current (mA) | 400 |
| PSAT (dBm) | 30 |
| Model Number | GPA-1721A |
| Min Frequency (MHz) | 17000 |
| Max Frequency (MHz) | 21000 |
| Gain (dB) | 19 |
| OP-1 (dBm) | 30 |
| Flatness (db) | ±1.75 |
| Supply (V) | +6 |
| Current (mA) | 400 |
| PSAT (dBm) | 30 |