XBee is a wireless module that supports Zigbee protocol, allowing the development of microcontroller networks. The datasheet is in the following link http://www.sparkfun.com/datasheets/Wireless/Zigbee/XBee-Datasheet.pdf Materials To get your first xbee tutorial working, you'll need the following materials USB Explorer Dongle XBee interface Two XBee radios You'll need a way to program the XBee chip. Either of the following options will work https://www.sparkfun.com/products/9819 https://www.sparkfun.com/products/8687 If you decide to get the second product, make sure you have a micro USB cord Either of the following product should work https://www.sparkfun.com/products/11373 https://www.sparkfun.com/products/10854 Just make sure that you also include headers! The can be found at the following url https://www.sparkfun.com/products/9280 You'll need to get two XBee radios since they use a P2P protocol to communicate. You'll als