Qsfp28 transceiver provides 100gbase-lr4 throughput up to 10km over single-mode fiber using a wavelength of 1295nm to 1309nm via an lc connector. This easy to install, hot swappable transceiver has been programmed, uniquely serialized and data-traffic and application tested to ensure that it will initialize and perform identically. SpecificationsConnector: LCDOM: DOMForm Type: QSFP28Media: SMFReach: 10kmSpeed: 100GBaseSpeed Description: 100-GigabitTransceiver Type: LR4Wavelength: 1295nm to 1309nmWeight: 0.4 lbs- SKU: SYBA33327