The FCC (Federal Communication Commission) permitted UWB (Ultra Wide Band) operation and UWB devices FCC’s spectrum allocation for UWB is from 3.1GHz to 10.6GHz. UWB has the high data rate transmission nearly of 500 Mbps. In this paper, T shaped antenna for ultra-wide band communication is designed. Both the antennas have modified ground planes. The designed antenna is T-shaped antenna. The results of antenna have shown VSWR (Voltage Standing Wave Ratio) of 1.2 for the return loss of -40dB at the operating frequency of 7.5GHz.