This W5200 Ethernet Module is .NET Gadgeteer compatible, which uses the .NET Micro Framework to make writing code for your device as easy as writing a desktop, Web or Windows Phone application.
This module is composed of a fully TCP/IP stack. The Ethernet application can be easily implemented via a simple socket program. SPI is provided for easy connection to the .NET Gadgeteer main board. Compared to the W5100 it doubles the simultaneous socket connections up to 8. The onboard LED indicates the network state between 10Mb and 100Mb.
You can easily let your Gadgeteer online through this module and then your Gadgeteer main board can easily controlled wherever Internet is available. There are massive applications of it ranging from industry to avionics, telecommunication, and multimedia.