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In this study, an ultra wideband power transfer network is designed by using Real Frequency Technique to use single microstrip antenna with the TI CC1110. CC1110 is a Texas Instruments' transceiver device which supports 3 different frequency (315, 433 and 868 MHz) for communication. Device output is balanced and has different output impedances at different frequencies. At first a microstrip antenna is designed and power transfer network was designed between antenna and CC1110 to transfer output power efficiently to antenna at different frequencies for using same circuit.