With this Ethernet Shield, your Arduino board can be connected to internet. It features an ENC28J60 SPI Ethernet controller with HR911102A RJ45 socket. It supports use of a web client application to use Arduino as a distributed network sensor. This shield is stackable by accepting prototype shields or any other boards with an Arduino compatible
interface.
Specs:
Function: Ethernet Shield (w/RJ45 socket) for Arduino
Dimensions: 70x57x17mm
Weight: 27g