Microoptics MO-EX-SFP-1GE-SX is an optical SFP module with a transmission speed of 1.25 Gb/s, designed for Gigabit Ethernet (1000BASE-SX). It uses a duplex LC connector for multimode fiber, operates at a wavelength of 850 nm, and supports standard short-reach connections. It features a hot-pluggable SFP form factor for easy installation in compatible switches, routers, and optical fiber interfaces.