Using the built-in GPS, ESP32 Gateway can obtain a fix on its current location and also acquire current time. This makes IoT asset tracking easier.
ESP32 multiple antenna designs can be good in long range applications and where link quality is important, for example, in wireless audio.
An illustrated article on chip antenna PCB layout with focus on 2.4 GHz WiFi and Bluetooth antennas. Applicable to ESP32, ESP8266, nRF52, etc.