... 5. 1470nm~1610nm CWDM PON 10GE Optical CWDM SFP+ Transceiver up 80km optional Wavelength Features:CWDM ... optical transceivers from the date of shipment. What we supplyWe supply all kinds of compatible optical transceiver modules, including SFP, GBIC, SFP+, XENPAK, X2 ... , XFP, BIDI,CWDM,DWDM and other special transceiver modules ...