The Finisar FCBG110SD1C03 10GBASE-SR/SW Ethernet transceiver is a Duplex SFP+ AOC transceiver for optical communications, rated for distances up to 3m and a maximum bandwidth of 10Gbps. The FCBG110SD1C03 transceiver operates at Copper wavelength. 10 Gb/s SFP+ Active Optical Cable for 10G Ethernet Note: Due to manufacturer restrictions, Finisar FCBG110SD1C03 is a non-cancellable non-returnable product. This product is manufactured by Finisar USA, ships directly from Finisar and is covered by full manufacturer warranty within US.