The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A terminal is provided. The terminal includes a metal bezel disposed along an edge of the terminal, an antenna incorporated into the terminal and configured to emit electronic waves, and a beam forming auxiliary unit incorporated into the terminal, separately disposed by a predetermined distance from the antenna, and configured such that the electronic waves emitted from the antenna pass through the metal bezel.