TAC, a provider of open, integrated systems for building automation, has announced the availability of the Andover Continuum Wireless Solution, the industry’s first wireless mesh solution (IEEE 802.15.4 standard), which is Zigbee-ready and based on the ASHRAE BACnet standard. The company also announced that it is overseeing the deployment of its Andover Continuum™ BAS, across the portfolio of Digital Realty Trust, Inc., a leading owner and manager of corporate data centers and Internet gateways.