What is the frequency band of Tuya Wi-Fi modules?

The frequency band of a Wi-Fi module is subject to that set for the router, which can be 20 MHz or 40 MHz. If 40 MHz is set for the router, the frequency band of the Wi-Fi module is 40 MHz. If no frequency band is set for the router, the frequency band of the Wi-Fi module may be 20 MHz or 40 MHz.