1000Base-BX WDM Bi-Directional SFP Module TP-LINK TL-SM321A

–         WDM Bi-Directional SFP Module

–         Supports WDM Bi-Directional technology, using a single strand of fiber, cost saving

–         TX: 1550nm / RX: 1310nm

–         Internal +3.3V Power Supply