Generic 2D3-8 Ethernet LAN Network Module ENC28J60

Fully Compatible with 10/100/1000Base-T Networks, Integrated MAC and 10Base-T PHY, Supports One 10Base-T Port with Automatic Polarity Detection and Correction, Supports Full and Half-Duplex modes, Automatic Programmable Retransmit on Collision, Programmable Padding and CRC Generation, Automatic Rejection of Erroneous Packets, SPI Interface with Clock Speeds Up to 20 MHz, Chipboard ENC28J60/SS, 25MHZ crystal, Network interface board HR911105A, 5 V power supply pin, Stable performance, Compatible with Arduino, SPI, AVR, PIC, LPC, STM32

Can be used to provide internet connectivity to microcontroller systems like Arduino boards over Ethernet. Connects directly to most microcontrollers with a standard SPI interface. Compatible with Arduino, SPI, AVR, PIC, LPC, STM32.