A planar monopole antenna having small-size, dielectric-loaded yet providing two bands for covering the seven-band LTE/GSM/UMTS/WLAN operation in the mobile phone is presented in this letter. The small-size yet wide band operation is achieved by adjusting the locations of antenna and RF Ground; the antenna is covered by a thin FR4 layer which gives a shorter guided wavelength and wider band-width for each resonant mode to achieve antenna size reduction. The occupied volume of the antenna is only 20×18 2 mm . The proposed antenna is suitable for slim mobile phone applications.
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