Abstract: The present invention relates to a wireless system 100 miming multiple applications at the same time, such as for both lighting control and asset tracking A node 200 comprised in the wireless system 100 is capable to operate in multiple communication modes, with each communication mode is according to a different communication technology. One the other hand, one application may have a preferred communication mode different from another application, considering some applications may have higher security requirements than the others. In view of this, a mode switching method is disclosed to assist the node 200 to serve multiple parallel applications in an efficient manner.