The TL-SM321A SFP module from TP-Link is a powerful transceiver designed for use in network infrastructures. This module supports the SFP specification and provides a reliable connection via an LC interface. With a transmission technology based on single-mode fibers, it enables a data transfer rate of up to 1 Gbit/s. The TX wavelength is 1550 nm, while the RX wavelength is 1310 nm, ensuring efficient signal transmission. The module is suitable for applications requiring a range of up to 10,000 meters and utilizes a bidirectional fiber for data transmission. The TL-SM321A is an ideal solution for businesses needing a stable and fast network connection and is compatible with various TP-Link devices. It is an excellent choice for expanding networks and enhancing data communication in professional environments.