This shield V03 can achieve a simple two crunodal ZigBee network，achieve wireless communication between Arduino ，and allows the Arduino to wireless communicate over a modified ZigBee protocol using the popular XBee module.
It is a fully Assembled shield without the XBee module. It works with all XBee modules including the Series 1 and Series 2.5, standard and Pro versions.
LED Indicators: ON / Sleep, RSII (Receiver Signal Strength Indication), Association
Current capable of delivering on 3.3Vcc: 500mA
Power supply: 5VDC
Communication protocol UART / XBee
Power consumption: 40 mA
Distance covered: 90m (as the crow flies)
Dimensions: 54.9 x 58.8 x 1.6 mm
For more info datasheet.