Channel: 2~3 single model or 2~4 multi-model Wavelength:850,1310,1550nm, Insertion Loss: <5dB/channel(Typical 2~3dB) IL Variation:<+/-0.5~1 dB Crosstalk:>50dB (Typical 63dB) Speed:100rpm Torque: <1.0Nm Return loss :(Typical for single model)45dB Life Expectancy: 1-2 a hundred ...