The Many Ways You Can Easily Ruin Your PCB Antenna Design | Hackaday
ESP32 PCB Antenna Test results! : r/esp32
How to add an external antenna to an ESP board - ESPHome - Home Assistant Community
MGC | Need Help: ESP32 PICO Antenna Design
Feature Request] Change the orientation of the ESP32 module/antenna so WiFi signal will interfere less with Zigbee · Issue #2 · fairecasoimeme/ZiGate-Ethernet · GitHub