SFP-1G-SX-85 Cisco Compatible, 1000BASE-SX SFP 850nm 550m LC MMF DOM Fiber Optical Transceiver Module
GLSUN SFP-1G-SX SFP transceivers are high performance, cost effective modules supporting data-rate of 1.25Gbps and up to 550m transmission distance over multimode fiber. This sfp module can be widely used in Gigabit Ethernet applications.https://www.glsunmall.com/product/glc-sx-mm-fiber-optical-transceiver-module.html