This 10GBASE-ZR SFP+ 10Gb module is compatible with Cisco® SFP-10G-ZR and designed for use with single mode fiber. It has a reach of 80km, operates at a wavelength of 1550nm, and features LC connectors and digital optical monitoring.  Fyber Optix Branded, Compatible with HPE, Extreme Networks, Alcatel, Cisco, Huawei and more.