Realtek Chip RTL8306E Mini 10 100Mbps RJ45 LAN Hub 3 Port Tp Link Ethernet Splitter PCB Board Direct From OEM Manufacturer 229K From Tz6607, $38.82 | DHgate.Com
SWITCH 8 PORT 8x 8X 100MB/S ETHERNET LAN RJ45 5V | KúpSiTo.sk - Tovar z Poľska
3-port Gigabit POEswitch module is widely used in LED line 3 port 10/100/1000m contact POEport mini switch module PCBA - AliExpress