Siemens Building Technologies, Inc. recently unveiled the industry's first wireless commercial BAS, based on ZigBee™-ready wireless networking technology from Ember Corporation. Siemens teamed with Ember to develop its new APOGEE ® Wireless Field Level Network solution. Through its inherent efficiencies, a BAS deployed using an APOGEE Wireless Field Level Network can provide facility builders, owners, and managers increased occupant comfort, greater flexibility, and more efficient control of HVAC systems.