Abstract: An object of the present invention is to provide a portable terminal suitable for a videophone using a multicall and a portable wireless equipment which communicate voice and data at the same time, and which is small and thin and has excellent portability, without being affected by a human body, at the time of conversation. Therefore, a radio unit which requires large power for the communication with the base station and hence is difficult to be made small and a user interface unit which is actually operated by a user are separated, and connected by radio communication with small power.