OEM factory direct mini fast 10 / 100mbps 3 port Ethernet network lan hub switch board two layer pcb 3 rj45 5V 12V head port|Network Switches| - AliExpress
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