PORTABLE TELEPHONE

摘要

It comprises an upper case (11) having a speaker (14) and a display screen (15), a lower case (12) having a keyboard (18) mounted thereon, an antenna (16) attached to the upper end of the upper case (11) or the lower end of the lower case (12), the antenna (16) having mounted on the rear or front side thereof a low-loss dielectric material (17) having a predetermined dielectric constant. This dielectric material (17) may have a curvature on its surface opposite to the antenna (16) mounted thereon.