| Wavelength(nm) | 800nm ~ 1700nm |
| Detector | InGaAs |
Measurement Range (dBm) | AT3208A: -70dBm ~+3dBm AT3208C: -50dBm ~+26dBm |
| Uncertainty | ±5% |
| Calibrated Wavelength (nm) | 850nm, 980nm, 1300nm, 1310nm, 1490nm, 1550nm |
| Resolution (dB) | 0.01dB |
Optical Connector | FC (interchangeable SC,ST) / as well as 2.5mm universal |
| Power Supply | Alkaline Battery (3×AA 1.5V batteries) |
Battery Operating Time | 240h with 1.5V Battery(3) |
| Operating Temperature(℃) | -10℃ ~ +60℃ |
| Storage Temperature(℃) | -25℃ ~ +70℃ |
| Relative Humidity | 0 to 95% (non-condensing) |
| Dimension (mm) | 175mm×82mm×33mm |
| Weight (g) | 310g |