... freeApplications:CWDM upto 10GBASE-ER ZR/ZW (with/without FEC)10G Fiber Channel (with/without FEC)CWDM PON network OEM and ... date of shipment. What we supplyWe supply all kinds of compatible optical transceiver modules, including SFP, GBIC, SFP+, XENPAK, X2 ... ,CWDM,DWDM and other special transceiver modules. Our products are compatible with Cisco, 3COM, H3C, HP, Extreme, Foundry, Avaya, D-link, ...