Includes four TEG-MGBSX SFP modules; Compliant with IEEE 802.3z Gigabit Ethernet ANSI Fiber Channel compliant; Small Form-Factor Pluggable (SFP) and Multi-Source Agreement (MSA) compliant Supports data rates of up to 1.25Gbps; Transmission distance of up to 550m (1804 ft.) Low Electromagnetic Interference (EMI) design; Supports 850nm multi-mode network transmissions Duplex LC optical interface; Low power consumption TRENDnet's 4-Pack SFP Multi-Mode LC Module, model TEG-MGBSX/4, includes four fiber gigabit SFP modules that are compatible with standard SFP slots found on network switches and fiber media converters. Each Multi-Mode SFP module is equipped with a duplex LC fiber connection interface, and supports gigabit multi-mode fiber connections for long distance networking applications.