A multi-resonant MIMO antenna with dual-layer L-shaped grounding on FR4 for LTE, Sub-6 GHz and Wi-Fi 6E/7 portable devices
A compact and low-cost multiple-input multiple-output (MIMO) antenna system is proposed to meet the demands of modern portable wireless communication devices. The antenna is manufactured on an FR4 substrate measuring 10 × 60 × 0.8 mm 3 and operates efficiently in the LTE, Sub-6 GHz, and Wi-Fi 6E/7 bands. In parti...