OST05WG01GD-Y5RUT5E1B is an Optical Transceiver manufactured by Optosupply. It is a 10G SFP+ CWDM transceiver, designed for use in 10GBASE-LR/LW/ER/EW, OC-192/STM-64, 2x 10G Fiber Channel and 10G FCoE applications. It has a center wavelength of 1271nm, a maximum reach of 10 km, a media rate of 10G and a Data Rate of 10.5 Gbps. It is compliant with IEEE802.3ae. It has MPO optical connectors on both the Tx and Rx ports, has a heat sink and includes a hot pluggable form factor.