GrenTech QSFP28 40G CWDM4 2km compliant with IEEE 802.3ba and SFF-8436. It converts 4 input 10Gb/s electrical data channels to 4 CWDM optical channels, and multiplexes them into a single 40Gb/s optical transmission. For the receiver, it de-multiplexes a 40Gb/s input optical signal into 4 CWDM optical signals and converts them to 4 output electrical data channels. Contact us for more details about the QSFP28 40G connector!