The proposed antenna CPW-fed dual wideband is designed
based on the split-ring rectangular slot antenna. The split-ring
rectangular slot antenna feed by CPW-fed on the Print Circuit
Board (PCB) FR4 substrate with dielectric constant (Er) 4.4,
loss tangent (tani)) 0.02 and 1.6 mm of the thickness (h). This
antenna is design at frequency 2.45 and 5.2 GHz, width of
CPW-fed microstrip is 6 mm for match impedance with 50
ohms of transmission line.