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pSemi’s PE562212 is a tiny multi-protocol, 2.4-GHz front-end module (FEM) that brings versatility to makers of IoT devices. The highly integrated silicon-on-insulator FEM includes an RF power ...

In this work, four ESP32-S3-based 2.4 GHz directional antenna systems are evaluated for their ability to facilitate long-range through-wall HAR. Two promising systems are identified: one combines ...