"The ZigBee Alliance is an association of companies working together to enable reliable, cost-effective, low-power, wirelessly networked, monitoring and control products based on an open global standard."
ZigBee Alliance - Wirelessly Networked Devices
"Digi's ConnectPort X2 ESP enables energy service providers to deploy HAN devices that are completely managed by the Digi gateway over a broadband or cellular connection, allowing Smart Grid services to be deployed in areas not covered by Smart Metering networks."
The APOGEE Wireless System utilizes leading-edge ZigBee mesh technology that is reliable, flexible and versatile. Once installed, this new system wirelessly networked unit heaters, exhaust fans, AC units and lighting through 92 wireless field network level controllers that now communicate through remote workstations in multiple locations.

Twitter Interface - @ZigBeeAlliance




