ESP32 modules (read: not just the packaged ICs) are pre-certified in most markets. This is the main advantage of shelling out for these more expensive modules i

ESP32 modules (read: not just the packaged ICs) are pre-certified in most markets. This is the main advantage of shelling out for these more expensive modules instead of just integrating it all yourself. It's also why many of the IOT products which use ESP32s use modules and waste a lot of area rather than the much smaller ICs: certification is a nightmare for small scale products!