4CH mini compact WDM Mux Demux CCWDM Module Metal box

 4CH mini compact WDM Mux Demux CCWDM Module Metal box The miniature coarse wavelength division multiplexer (CCWDM) also adopts the medium film filter with excellent performance and good wavelength stability.Free space technology encapsulation, high environmental stability, low insertion loss.   Parameter Unit Value Channels - 4CH  Central Wavelength nm 1270~1330 Insertion loss dB 0.8 Temperature dependent loss nm 0.5 Adjacent Channel Isolation dB 30 Non-adjacent Channel Isolation dB 45 Polanzation Dependent Loss dB 0.2 Return Loss dB 45  Directivity dB 50 Operation Temperature ℃ -5~75 Storage Temperature ℃ -40~+85 Connector Type - LC /APC