Features: 100% Brand new and 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 Interfac(SPI MODE 0 3) Internal 32Kbytes Memory for TX/RX Buffers 10BaseT/100BaseTX Ethernet PHY embedded Supports Auto Negotiation (Full and half duplex 10 and 100-based ) Not supports IP Fragmentation 3.3V operation with 5V I/O signal tolerance LED outputs (Full/Half duplex Link Speed Active) 48 Pin LQFP Lead-Free Package (7x7mm 0.5mm pitch) Specifications: Chip type: W5500 Supports both 3.3V !#!amp!*! 5V. Hardwired TCP/IP Protocols : TCP UDP ICMP IPv4 ARP IGMP PPPoE 10BaseT/100BaseTX Ethernet PHY embedded Supports automatic response (full duplex / half duplex mode) Supports 8 independent sockets simultaneously Internal 32Kbytes Memory for Tx/Rx Buffers Power off mode: support Network wake: support SPI interface (SPI MODE 0 3)convenient connection with MCU Size: 55mm x 28mm Color: Blue Package includes: 1 x SPI to Ethernet/TCP/IP W5500 Module