Industry Standard 1000Base-BX SFP transceiver (SMF, 1310nmTx/1490nmRx, 20km, LC). An Industry Standard SFP transceiver that operates at 1310nmTx/1490nmRx over single-mode fiber, with a maximum reach of 20km connected via a LC connector. This Industry Standard SFP transceiver has been programmed, uniquely serialized, and data-traffic and application tested to ensure it is 100% compliant and functional. Our SFP transceiver is built to 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.