1G SFP Multimode Module, 1000Base-SX SFP Transceiver(550m, 850nm) for Cisco GLC-SX-MMD, Meraki MA-SFP-1GB-SX, Ubiquiti UF-MM-1G, Netgear AGM731F, TP-Link, D-Link, Mikrotik and Other Open Switch,2 Pack