The AddOn Cisco Compatible TAA Compliant 1000BASE-EX SFP Transceiver is a high-performance optical module engineered for extended-reach Gigabit Ethernet connectivity over single-mode fiber. This specialized transceiver delivers 1.25 Gbps data transmission across distances up to 60 kilometers (approximately 37 miles), utilizing a powerful 1310nm laser wavelength to bridge significant spans in enterprise and telecommunications networks. The module features a duplex LC connector configuration and supports Digital Optical Monitoring for comprehensive real-time diagnostics and performance tracking. As a TAA Compliant device manufactured in the USA or UK, it meets stringent requirements for U.S. Federal Government, military, and GSA-schedule procurement applications. Compatible with Cisco GLC-EX-SMD specifications while offering extended reach capabilities, this transceiver is ideal for data centers, metropolitan area networks, and service provider infrastructures requiring reliable long-haul connectivity. The single-mode fiber design ensures optimal signal integrity across extended distances, making it perfect for campus interconnects, remote site connections, and backbone network applications.