Disclosed herein is an electronic device. The electronic device may include an electronic device may comprising a housing, a first PCB disposed inside the housing, a first wireless communication circuit disposed on the first PCB to transmit and receive signals of a first frequency band, a second PCB disposed inside the housing, wherein the second PCB includes a signal line, an antenna array disposed on the second PCB, a second wireless communication circuit disposed on the second PCB to transmit and receive a signal of a second frequency band using the antenna array, and a conductive member electrically connected to the first wireless communication circuit by the signal line of the second PCB via a feed point for the conductive member.