A communication system includes a communication apparatus and a communication terminal configured to wirelessly communicate with each other, wherein the communication terminal includes a first wireless communication interface configured to support a Bluetooth® standard and include a single antenna, and wherein the communication apparatus includes a second wireless communication interface configured to support the Bluetooth® standard and include a plurality of antennas, and includes one or more controllers configured to function as a unit configured to obtain angle information and field intensity information based on a result of reception of radio waves, by the plurality of antennas, transmitted from the single antenna; and a unit configured to transmit an establishment request for wireless communication based on the Bluetooth® standard to the first wireless communication interface via the second wireless communication interface based on a fact that the angle information and the field intensity information satisfy a predetermined condition.