Hi,
Main parameters of Wdm system as :
Main parameters Standard Isolation High Isolation
Configuration 1×2, 2×2
Spectral bandwidth, nm (1295…1325nm/ 1528…1565nm)
Insertion loss, max, dB 0,3 0,7
Excess loss dependent on wavelength and temperature, max, dB 0,3 0,3
Isolation, min, dB 17 34
PDL, max, db 0,1 0,2
Directivity, min, dB 55 55
Optical power, max, mW 500 500
Operating temperature range, °C -10…+60 -10…+60
Fiber type SM Corning SMF-28 Corning SMF-28
Housing dimensions/fiber diameter, mm Ø3.0 x 55/ 0.25mm; Ø3.0 x 55/ 0.9mm; 6,4 x12 x 96/3mm
These are different parameters of WDM Mux.