High quality! Supports hardwired TCP/IP protocols: TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE Supports 8 independent sockets simultaneously Supports power-down mode Supports Wake on LAN over UDP Supports high-speed serial peripheral interface (SPI Mode 0, 3) Material: PC + metal Internal 32 KB memory for TX/RX buffers 10BaseT/100BaseTX Ethernet PHY embedded Supports auto-negotiation (full and half duplex, 10 and 100 Mbps) Does not support IP fragmentation 3.3 V operation with 5 V I/O signal tolerance LED outputs (full/half duplex, link, speed, active) 48-pin LQFP lead-free package (7 × 7 mm, 0.5 mm pitch) Chip type: W5500 Supports both 3.3 V and 5 V Supports automatic response (full duplex / half duplex mode) SPI interface (SPI Mode 0, 3), convenient connection with MCU Size: 55 mm × 28 mm Color: Blue Package contents: 1 × SPI to Ethernet/TCP/IP W5500 module