| Number of channels |
2, 4, 6, 8 optional |
| Attenuation range |
0 dB to -35 dB |
| Accuracy |
≤ ± 0.3 dB |
| Working wavelength |
1270 nm to 1610 nm |
| Calibration wavelength |
1310 nm, 1550 nm |
| Insertion loss |
≤ 1.2 |
| Polarization dependent loss |
≤ 0.1 at 0 dB, ≤0.5 at 20 dB |
| wavelength dependent loss |
≤ 0.3 at 0 dB, ≤1.5 at 20 dB |
| Temperature dependent losses (compared to room temperature) |
≤ 0.7 at 0 dB, ≤ 1.0 at 20 dB |
| Return loss |
≥ 45 |
| Working power |
AC：85 V to 264 V ,50 Hz to 60 Hz |
| Fiber Type |
9 μm or 125 μm |
| Operating temperature |
14 °F to 140 °F (-10 ℃ to 60 ℃) |
| Storage temperature |
-4 °F to 158 °F (-20 ℃ to 70 ℃) |
| Size |
1 U or 2 U or 5 U optional |
