Ethernet Module Board ENC28J60 For Arduino

This ethernet board is a simple way to give your Arduino or other electronics project a network connection.

Works with all Arduino boards, including UNO, MEGA, and Nano. It has a 25MHz crystal onboard

With this Ethernet Shield, your Arduino board can be used to connect to internet
Genuine Microchip s ENC28J60 SPI ethernet controller and HR911102A RJ45 socket
Open-source TCP/IP protocol stack as an Arduino library.
Web client application to use Arduino as a distributed network sensor