For Arduino IDE: Use the Ethernet library EtherCard.h to write sketches which connect to the internet using the add-on module
The Nano Ethernet Shield is based on the ENC28J60 Ethernet chip which provide a network (IP) stack capable of both TCP and UDP.

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Width : 1.42 inch
Height : 0.2 inch
Length : 3.58 inch

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ASIN : B072JLTSJR