M5Stack ATOM PoE Kit w/ W5500 (HY601742E) Offers 8 independent hardware sockets Built-in W5500 Ethernet controller Provides a more convenient Internet connection solution Integrated TCP/IP protocol stack Supported Protocols: TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE The M5Stack ATOM PoE Kit w/ W5500 (HY601742E) is an Ethernet accessory for the M5 Atom series, which Supports PoE (Active Ethernet) technology. The built-in PoE module can directly supply power to the entire device through a PoE hub/switch without a separate power supply, effectively reducing the cost of your setup. It has a built-in W5500 Ethernet controller, integrated TCP/IP protocol stack, with 8 independent hardware sockets, 10/100M Ethernet data link layer (MAC), and physical layer (PHY) to provide a more convenient Internet connection solution for your embedded systems. It can meet the wired network access requirements in the production environment. Application Remote control Wired Internet connection