The present invention, this invention is a multi relates to optimal for communicating data in a multi-antenna communication system antenna for by correspondingly selecting adaptively to a service, the antenna selection device and method that can perform high-quality data communication a data communication method of a transceiver using an antenna, comprising the steps of: determining the type of the data service through the received signal, and that of the plurality of antennas in consideration the communication quality for each antenna corresponding to the service type selected for a given antenna through the process and the selected predetermined antenna is characterized in that it comprises the step of performing the data communication. Multiple antennas, antenna selection, directional, non-directional, the weight factor