The QSFP+ 40GBASE ZR4 transceiver module supports 4x 10. 3125G data transmission of 80km over SMF. The module uses CWDM technology to achieve 4 channels of electrical data into 4 channels of LAN WDM optical signals. FS 40G QSFP+ optical transceiver module solutions offer a full range of QSFP+ modules from 150m to 80km reach, and used for high-density switching, routing and data center applications. Trusted by 260K+. An Optical Transceiver is a critical optoelectronic component that facilitates seamless electro-optical (E-O) and photo-electric (O-E) conversion within fiber-optic networks. Moreover. SULITON provides OEM and ODM of various optical modules from 10 100 1000basetx sfp to 800G at a price that satisfies you.