Disclosed is an apparatus for detecting location information of a target, comprising: a controller for setting the number of time slots to which a signal is transmitted, different center frequencies for each of the time slots, and an a bandwidth of the signal to be transmitted to each of the time slots; a transmitter using one transmitting antenna to transmit the set signal to each of the time slots; a receiver using a plurality of receiving antennas to receive a signal reflected from a target for each of the plurality of time slots; and a signal processor using the received signal to extract the location information of the target.