MRV SFP-GD-BD43 Compatible 1000Base-BX SFP Transceiver (SMF, 1490nmTx/1310nmRx, 40km, LC, DOM). A 100% MRV SFP transceiver that operates at 1490nmTx/1310nmRx over single-mode fiber, with a maximum reach of 40km connected via a LC connector. This MRV compatible SFP transceiver has been programmed, uniquely serialized, and data-traffic and application tested to ensure it is 100% compliant and functional. Our SFP transceiver will initialize and perform identically to MRV's transceiver and is built to meet or exceed MRV's specifications, and comply with MSA (Multi-Source Agreement) standards. The actual part shipped may have a different part number, but will be functionally identical and 100% compatible. Trade Agreements Act (TAA) versions of this part are available.