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This paper presents a novel compact loop type antenna for Bluetooth, satellite-digital multimedia broadcasting, wireless broadband, and wireless local-area network applications. The proposed antenna fed by a 50-Omega coaxial line occupies a compact volume of 26 times 8 times 3 mm3 . The bandwidth is 19.9% (2.26-2.76 GHz) and 45.6% (4.03-6.4 GHz) at S11< -10 dB and the measured maximum gain is 6.41 dBi at 5.35 GHz. The Microwave Studio simulation is employed for optimizing the design parameters, and the simulated results agree well agree with those of the measured one.