Features: 4 CWDM lanes MUX/DEMUX design Cooled CWDM DFB transmitter Up to 11. 2Gbps per channel bandwidth Aggregate bandwidth of > 40Gbps Duplex LC connector Compliant with 40G Ethernet IEEE802. 3ba and 40GBASE-LR4 Standard and OTU3 for line rate of 43Gbps QSFP MSA. Fiber optic transceivers are widely used in telecommunication, CATV, FTTx, and various kinds of other data communications. We provide a wide range of fiber optic transceivers including GBIC,SFP,CWDM SFP,CWDM GBIC,XFP, SFP plus, Copper SFP, Copper GBIC, DWDM SFP, CWDM XENPAK, ESFP, 10G X2, 10G. 40G DWDM QSFP+ DWDM optical transceiver module, support 48*40Gb/s DWDM System and up to 80 km ( with DCM and EDFA) transmission on SM fiber, it works in high-speed IDC connection solutions. 40G DWDM QSFP+ Transceiver, C2 1 ~C60, 80KM ( with DCM and EDFA) Duplex LC,DDM Fiberwdm's 40G DWDM QSFP+. 40Gbps Transmitter, Finisar MZ02-09-0-0000 Series, Very Short Reach TOSA Finisar's 40Gbps Transmitter/TOSA, comprises of a CW DFB chip, an InP Mach-Zehnder Modulator (MZM), an electrical 40Gbps modulator driver, thermo electric cooler and monitor photo diode. Featured products such as QSFP-SR4-40G modules and QSFP-LR4-40G modules are also available for choice. 40G QSFP+ Transceiver Module Series include SR4, BIDI, CSR4, PIR4, LX4, IR4, LR4,PLR4 and ER4.