3 port Gigabit switch module is widely used in LED line 5 port 10/100/1000 m contact port mini switch module PCBA Motherboard|Network Switches| - AliExpress
3 Port GigE PoE Switch/Extender, 802.3at PoE,60W
SWITCH POE XPOE-3-11A 3-PORT ATTE - PoE Switches with 8 Ports support - Delta