The WIWAV WSF-13GE-20D SFP transceiver is a high-performance networking component designed to deliver reliable data transmission for your network infrastructure. This single-mode fiber optic module operates at 1.25Gb/s, making it ideal for Gigabit Ethernet applications that require long-distance connectivity. With a 1310nm wavelength and an impressive 20km transmission distance, this SFP transceiver provides the reach needed for extended network deployments across campus environments, metropolitan area networks, or point-to-point connections. The module features Digital Diagnostic Monitoring (DDM) capability, allowing network administrators to monitor real-time parameters such as optical power, temperature, and voltage for proactive network management and troubleshooting. Its compact SFP form factor ensures hot-swappable installation in compatible switches, routers, and other networking equipment without disrupting network operations. Built to meet industry standards including Class 1 21CFR 1040.10 compliance, this transceiver offers dependable performance for enterprise and service provider networks requiring robust single-mode fiber connectivity solutions.