Libelium, a wireless sensor company, has launched the Waspmote, an open source ZigBee sensor platform. The line features seven different models of communication radios with a minimum consumption (0.7uA in the Hibernate mode). Libelium says the Waspmote can achieve long range links: 7km at 2.4GHz, 24km at 900MHz and 40km at 868MHz. Virtually any ...