Choosing a Wi-Fi module is a decision that affects the architecture, stability, and development of the entire device. It’s not just a matter of comparing specifications - it requires taking into account the operating environment and the nature of the application. In this article, we show you how to choose the right device by reviewing solutions ranging from the ESP32-C series, through the ESP32-S, to the ESP32-E22 with Wi-Fi 6E, based on real-world project requirements.