22 port gigabit poe switch, also called Visible LCD PoE Switch PM3022GSNL is designed by UNIPOE company Ethernet switch which has the function of LCD and PoE. The PoE Switch provides intelligent PoE functions along with 16*10/100/1000Mbps RJ45 port and 4*100/100Mbps and 2*1000Mbps SFP SFP optical fiber Slot which support the high-speed transmission of surveillance images and videos. The electrical power and data transmission on the same cable can expand your network to the places where no power lines or outlets, where you can install devices such as APs, IP cameras, or IP phones etc.