* Characteristics
Wide operating wavelength range
low insertion loss and PDL
High channel isolation
Ultra flat wide pass band
Highly stable and reliable
Epoxy free optic path

* Applications
Pon network
B-ISDN
Fiber optic instruments
Laboratory R and D

* Parameters
Ordinary WDMs High Isolation WDMs Ultra High Isolation WDMs
Central Wavelength (nm) 1310 and1550 980and1550 1480and1550 1310 and1550 1310and1550
Bandwidth (nm) 10 10 5 20 20
Max Insertion Loss 0.3 0.3 0.35 0.75 1
Min Wavelength Isolation 20 20 12 30 45
Max. Polarization Dependent Loss 0.1 0.1 0.15 0.1 0.1
Min Adjacent Isolation 55 55 55 55 55
Max. Temperature Dependent Loss 0.002 0.002 0.002 0.004 0.006
Operating Temperature:  -40~+75℃
Storage Temperature:  -40~+85℃