Features
Low Insertion Loss
High Isolation
Low PDL
Good Directivity
Good Environmental Stability

Applications

Optical Fiber Communication Systems
Optic-fiber Access Networks
Optic-fiber CATV

Parameters:
Type	1310/1550nm High Isolation Add/Drop WDMs
Operating wavelength (nm)	1310/1550
Bandwidth (nm)	±15
Wavelength isolation (dB)	>40
Insertion loss (dB)	<1.0
Directivity(dB)	>55
PDL（dB）	<0.1
Operating temperature（℃）	-25~+70
Storage temperature（℃）	-40~+85
Max operating power (mW)	<300
Max tensile strength (N)	>5
Industry standard	Telcordia GR-1221-CORE

In this way, two wavelength signals transported in one fiber can be realized. 1310/1550nm High Isolation Add/Drop WDMs with the features like high wavelength isolation and good directivity, etc. are widely used for updating optical networks, enlarging optical network capacity and introducing the new services.