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

TP-LINK´s TL-SM321A adopts the latest standard 1000Base-BX, transmission over a single strand of fiber, with one different wavelength going in each direction. You can extend the network distance up to 10Km (6.2 miles) paired with TP-LINK TL-SM321A, MC112CS, or compatible third-party WDM module.