The TRENDnet Mini GBIC Module can make networking much easier. This device is fiber channel and gigabit Ethernet compliant. It features a duplex LC connector and can span distances up to 6.2 miles (10km) away. The single-mode GBIC module is encased in an industry-standard SFP package for durability. Also known as -TEG-MGBS10 Single-mode Mini GBIC Module-TRENDnet TEG-MGBS10 Mini-GBIC Single-Mode LC Module-Mini-GBIC Single-Mode LC Module TEG-MGBS10 (10 km, 6.2 Miles)-TRENDnet TEG-MGBS10 Single-mode Mini GBIC Module-TRENDnet Mini-GBIC Single-Mode LC Module for Distances upto 10km