On modules like for the ESP8266 and ESP32 platforms the PCB antennas ... Ultimately, the best PCB antenna design is one where there is no nearby copper fill, and there are no traces running ...
There are two MIPI DSI/CSI ports on the PCB, as well as three USB ports and a sound codec. A more run-of-the-mill ESP32-C3 is present we think to provide wireless networking, and there’s a ...