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TP-Link Gigabit Single-Mode WDM Bi-Directional SFP Module
TP-Link Gigabit Single-Mode WDM Bi-Directional SFP Module (TL-SM321B) adopts the latest standard 1000Base-BX, transmitting over one single-mode fiber with one different wavelength going in each direction. Paired with TL-SM321A, You can extend the network distance up to 20Km with TP-Link´s routers, switches and media converters for reliable high-speed long-distance communication.
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