Tuesday, December 7, 2010

Hardware: XBee Wireless Modules

Got a hold of my first XBee Wireless Modules last weekend. These are a small, low power, low bandwidth data radio that operates in the 2.4 GHz band. They have the robustness of a WiFi device, but smaller, slower and less power (one milliwatt). Ideal for sensor networks and non-critical control networks. XBee specs claim these can run for years on a single 9 volt battery. These can be integrated with the Arduino devices to provide data, command and control functions with no need to connect network wiring.


These modules take the 802.15.4 stack (the basis for Zigbee) and wrap it into a simple to use serial command set. These modules allow a very reliable and simple communication between microcontrollers, computers, systems, really anything with a serial port! Point to point and multi-point networks are supported.

  • 3.3V @ 50mA
  • 250kbps Max data rate
  • 1mW output (+0dBm)
  • 300ft (100m) range
  • Built-in antenna
  • Fully FCC certified
  • 6 10-bit ADC input pins
  • 8 digital IO pins
  • 128-bit encryption
  • Local or over-air configuration
  • AT or API command set

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