TL-SM321A TP-LINK 1Gb/s 1000Base-BX WDM BiDi Single-Mode Fibre 1550nm-TX/1310nm-RX 10km LC Connector SFP Transceiver Module

The TL‑SM321A from TP‑Link delivers dependable, high‑speed connectivity for fiber‑optic networks, enabling seamless data transmission across long distances with minimal latency. Designed for professional environments, this bi‑directional WDM transceiver offers optimal signal quality and compatibility with a wide range of optical infrastructure. Its LC connector interface provides a secure, low‑loss connection that is easy to install and maintain, making it ideal for data centers, enterprise LANs, and service‑provider backbones. With robust build quality and proven reliability, the TL‑SM321A helps you achieve efficient, scalable network performance while simplifying fiber management.