NET-TL-SM321A Review
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NET-TL-SM321A TP-Link TL-SM321A 1000Base-BX WDM Bi-Directional SFP Module
TP-Link TL-SM321A 1000Base-BX WDM Bi-Directional SFP Module, LC connector, TX:1550nm/RX:1310nm, single-mode, 10km