ARRANGEMENT STRUCTURE FOR COMMUNICATION DEVICE AND ELECTRONIC DEVICE INCLUDING THE SAME

According to various embodiments, an electronic device includes a housing including a front surface plate; a rear surface plate facing toward the opposite direction of the front surface plate; and a side surface member surrounding a space between the front surface plate and the rear surface plate, the side surface member having a substantially rectangular shape when viewed above the front surface plate; a first PCB arranged in the space; a first wireless communication circuit; a substrate; a first antenna array protruding from the first side of the substrate toward the first portion; a second antenna array protruding from the second side of the substrate toward the second portion; and a second wireless communication circuit.