This Cisco CWDM-SFP-1310 compatible SFP transceiver provides 1000Base-CWDM throughput up to 40km over single-mode fiber (SMF) using a wavelength of 1330nm via an LC connector. This easy to install, hot swappable transceiver has been programmed and uniquely serialized to ensure that it will initialize and perform identically. It is built to meet or exceed the specifications of Cisco, as well as to comply with MSA (Multi-Source Agreement) standards to ensure seamless network integration.