
This paper presents a wearable antenna of 2.4 GHz Bluetooth for smart glasses application. This antenna consists of two elements array planar inverted-F antennas (PIFA) using coaxial cable to connect two antenna elements together. Moreover, Specific Absorption Rate (SAR) in user's head is also calculated using the model provided by CST software. The frequency range for reflection coefficient < −10 dB is from 2.35 GHz to 2.42 GHz. The maximum gain of the proposed antenna is 2.836 dBi at the center frequency.
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