MTS-4000V2 & 4138FB65
MTS-4000 V2 optical reflectometer package with a 4138FB65 singlemode module
42/40/40dB @1310/1550/F1650nm
MTS-4000V2 & 4138FC65
MTS-4000 V2 optical reflectometer package with a 4138FC65 singlemode module
45/43/42dB @1310/1550/F1650nm