Answer
The Sona TI351 Wifi module only supports 20MHz wide Wi-Fi channels.
If your application requires wider Wi-Fi channels, please refer to Ezurios Wi-Fi Modules
ST60
https://www.ezurio.com/wireless-modules/wifi-modules-bluetooth/60-sipt-bluetooth-and-wifi-module
https://www.ezurio.com/wireless-modules/wifi-modules-bluetooth/60-2230c-series-bluetooth-and-wifi-module
Sona IF513
https://www.ezurio.com/wireless-modules/wifi-modules-bluetooth/sona-if513-wifi-6e-bluetooth-5-4-module
Sona IF573
https://www.ezurio.com/wireless-modules/wifi-modules-bluetooth/sona-if573-wi-fi-6e-bluetooth-5-4-module
Sona MT320
https://www.ezurio.com/wireless-modules/wifi-modules-bluetooth/sona-mt320-wifi-6-bluetooth-5-3-module
Sterling LWB5+
https://www.ezurio.com/wireless-modules/wifi-modules-bluetooth/sterling-lwb5-plus-wifi-5-bluetooth-5-module