The antenna is designed using foam substrate with dimension of 33.30*35.96*1.6 mm3 operates from 3.3 to 5.2 GHz, covering 5G sub-6 GHz NR bands N77 (3.3–4.2 GHz), N78 (3.3–3.8 GHz), and N79 (4.4–5 GHz) with a bandwidth (BW) of 1900 MHz and S11of –40.59 dB at 4.45 GHz. SAR analysis, using a three-layer body phantom, measures electromagnetic energy absorption by human tissues over ...