This plugin ESP32 WiFi module from Duet is specially designed for the Duet 3 mainboard 6HC v1.02. It is based on the ESP32 S3 Dual Core WiFi module from Espressif Systems and can be used instead of the Ethernet or SBC interface on the 6HC mainboard. This module also comes with an external antenna for an improved WiFi signal and easy locating of the location of the 6HC.