Xbee Zigbee Shield for Arduino
Use this XBee Communication Shield to directly connect your Bluetooth and RFID modules to your Arduino board.
The XBee shield for Arduino (an Expansion Board without XBee module) is a compliant solution designed to meet low-cost, low-power wireless sensor networks with special needs.
Shield for the platform.
Board mates directly with the Arduino USB board and allows to wireless communicate over a modified ZigBee protocol using the popular XBee module from Maxstream.
Shield does not include an XBee module. Any XBee module will work with the shield.