TL-SM321B TP-LINK 1Gb/s 1000Base-BX WDM BiDi Single-Mode Fibre 1310nm-TX/1550nm-RX 10km LC Connector SFP Transceiver Module

The TL‑SM321B from TP‑Link delivers reliable, high‑speed connectivity for demanding fiber‑optic networks, making it an ideal choice for data centers, enterprise LANs, and telecom infrastructure. This SFP transceiver is engineered for seamless integration into existing systems, providing robust performance over long distances while maintaining low latency and high signal integrity. Its compact, industry‑standard design ensures effortless deployment and maintenance, reducing downtime and simplifying network upgrades. With proven compatibility across a wide range of switches and routers, the module supports seamless scalability, enabling businesses to expand their fiber networks without compromising on speed or reliability. Whether upgrading legacy systems or building new high‑capacity links, the TL‑SM321B offers a cost‑effective, dependable solution that meets the rigorous demands of modern connectivity.