APPLICATIONS:
Optical transmission system
Subscriber loop
CATV
Test instrument 
Parameters
Type  PC  SPC  UPC  APC
Mode  SM  MM  SM  MM  SM  SM  MM
Insertion
Loss (dB)  <=0.3  <= 0.3  <=0.3  <= 0.3  <=0.2  <= 0.3  <= 0.3
Return
Loss dB)  >= 40  >= 35  >= 45  >= 35  >= 50  >= 60  >= 35
Repeatability dB)  <= 0.2
Changeability (dB)  <= 0.2
Storage
Temp ( ℃ )  -40 ~ 85
Operating
Temp ( ℃ )  -30 ~ 75