The paper presents a two-stepped technique to synthesize the Reduced Graphene Oxide (RGO). RGO is a single layer structure of carbon without presence of oxygen group with high level of conductivity (3.38 × 105 s/m). The synthesized graphene is used on low permittivity substrate to realize high performance RGO microstrip patch antenna. The antenna operates in ultra-wide band frequency range from 2.5 GHz to 12.2 GHz with gains between 5.5dB and 14.5dB. Low profile and small size (90 mm × 45 mm) makes the antenna suitable for integration.
