This module turns into Ethernet module by using SPI communication, there is a W5500 chip on it.
Technical Features:
- Hardware TCP/IP protocols support: TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE
- Simultaneous up to 8 socket connection
- Power Down mode support
- Wake on LAN support through UDP
- High speed Serial Perhiperal Interface (SPI) connection (SPI MODE 0,3)
- Inner 32 KB memory for TX/ RX buffer
- Embed 10BaseT/ 100BaseTX Ethernet PHY support
- Auto Negotiation (Full and half duplex, 10 and 100* based ) support
- IP fragmentation is not supported
- 3V logic level (5V can also be used)
- Full / Half duplex, Link, Speed, Active indicator LEDs