10GTEK 1.25G SFP 1000Base-SX Multimode LC Fiber Transceiver Module, 850nm MMF, 550m, for Cisco GLC-SX-MMD/GLC-SX-MM/SFP-GE-S, Meraki, Fortinet, Ubiquiti UniFi, Mikrotik, Fortinet, TP-Link, Netgear