Does ethernet cable slow down WiFi? Your questions answered
An Internet or LAN port isn't working correctly on my router. How do I perform a loopback test to check the port? - NETGEAR Support
MIKROTIK wireless dual-band router with 5 Gigabit Ethernet ports and external high gain antennas for more coverage, hAP ac3 with RouterOS L4 license ...
EDIMAX - Legacy Products - Access Points - Wireless LAN Range Extender / Access Point PoE (Power over Ethernet)