T-bus combines EIB centralized control technology and traditional smart home product’s smart control technology. Perfectly combining these two kinds of technology, it improves their advantages as well as disadvantages to realize the consolidated and centralized control system (technology) ---T-bus. Combined with 2.4G wireless network, T-bus system has strengthened the traditional T-bus wireless control’s stability on the basis of the safe, radiation less and stable system technology of  dividing the intense current and feeble current. Products of this system can make different combinations as well as connections of function expansion slots. It can realize the function’s expansion by simple multi-upgrade, no need to install one time again. Compared to the traditional installation mode, it can function for 30 years by just one time of installation.