SFP-GE43-2BX20 1000Base 2 Channels BX BIDI CSFP TX1490nm/RX1310nm 20km LC SMF DDM Transceiver Module
F-tone SFP-GE43-2BX20 Compatible 2-Channel 1000BASE-BX SFP up to 20km throughput over SMF using 1490nm-TX/1310nm-RX wave lengths via Duplex LC connector.

