Fig. 1(a), (b) and (c) shows the top view, back view and side view of the proposed C-shaped monopole antenna. The antenna element is printed on the top side of the substrate while the ground plane is located at the bottom side. Behind the radiation elements, there is no ground. The chip inductor, Coilcraft 0402HP series with inductance of 20nH, is embedded on the top of the C-shape element (see L4 in Fig.1 (a)). The antenna occupies a space of 15×8.6mm2 and the total size of this antenna including the ground plane and feeding line is 15×35mm2. To achieve a better impedance match at both bands, the length and width of each branch of the antenna elements are optimized by doing numerical simulations in Ansoft HFSS, which is a 3D EM simulation software based on Finite Element Methods (FEM). This antenna is designed on substrate Roger 4003 with thickness of 0.8 mm and relative permittivity of 3.38.