Amazon.com: Mini Industrial 3 Port Gigabit PoE Switch with DC12V-48V to DC48V Voltage Booster Hardened RJ45 10/100/1000Mbps 802.3at 30W/Port Ethernet Switch Din Rail Mount Compatible with IP Camera VOIP Phone : Electronics
OEM factory direct mini fast 10 / 100mbps 3-port Ethernet network lan hub switch board two-layer pcb3 rj45 5V 12V head port - AliExpress
Fast switch mini 3 port ethernet switch 10 / 100mbps rj45 network switch hub pcb module board for system integration module - AliExpress
TP-LINK 6-Port Gigabit Desktop Switch with 3-Port PoE+ and 1-Port PoE++ (TL-SG1006PP) - The source for WiFi products at best prices in Europe - wifi-stock.com
Intellinet 5-Port GbE PoE+ Switch w/ SFP Port (561822)