Zigbee / Xbee

• Module takes care of routing in mesh networks and retransmission of lost data (up to a buffer size).

• Analog and digital IO can be sampled and transmitted

• Low power use (10mA when not sleeping)

• Xbee Pro modules transmit at 60mW instead of 1mW

• Can run on 3.3V or somewhat less

• Perfect for embedded use

• Here comes tweet-a-watt