Abstract
In this work, an antenna that consists of two connected radiating elements is presented. The antenna has three operating bands, namely 2.5 GHz band, 3.5 GHz band, and narrow or wide 5.5 GHz band. To get a narrow 5.5 GHz band, a band-reject filter that eliminates the higher part of the third operating band is used. Measurements show that the antenna gain is 3.1 dB at 2.5 GHz; meanwhile at 8 GHz it has a gain of 4.9 dB. Adding a metallic reflector, a maximum gain of 5.8 dB has been measured at 3.7 GHz.
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