TP-Link · TL-SM321A
Brief overview: WDM Bidirectional SFP Module Support for bidirectional WDM technology; data is sent and received over a single cable, saving on cable length. Purpose of the device The TL-SM321A module supports the latest 1000Base-BX standard and single fiber optic data exchange technology, using different wavelengths for receiving and sending data. Using TP-LINK routers, switches, and media converters, you can extend your network up to 10 km, increasing its reliability and performance.