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This paper concentrates on studying, designing and manufacturing a dual - band and high - bandwidth antenna applied for 3G and 4G mobile handsets. This antenna can work in UMTS bands of 1900MHz frequencies, also work in 4G-LTE of 700MHz, 1800MHz, 2100MHz and 2600MHz frequencies. Antenna is printed on FR4 substrate with size of 50mm × 50mm, thickness of 1.6mm and relative permittivity of 4.4. The propose antenna is experimentally studied.