HPOE-460 4-port Gigabit IEEE 802.3at Power over Ethernet Plus Injector Hub - Planet Technology USA
Amazon.com: Cable Matters USB C to 4-Port Gigabit Ethernet Switch for Network Sharing on The Move (Thunderbolt Ethernet Splitter, USB C Network Switch, USB C Gigabit Switch) Compatible with Thunderbolt 4 /
4-Port Gigabit Ethernet with POE PCIe Card - Intel 350
WGS-814HP Industrial 8-Port 10/100/1000T Wall-mounted Gigabit Switch with 4- port PoE+ - Planet Technology USA
4 Port USB 2.0 Over Ethernet USB Device Server - Coolgear
4-Port Industrial RS-232 to Ethernet Data Gateway TCP/IP - Coolgear
4 Port PoE (1 GB Uplink)
Serial Ethernet Converter (RS232, RS485, RS422) Industrial, 4 Ports