Which Wi-Fi Module Does Arduino Opta WiFi Use?

Hello Arduino community,

I have a hardware question regarding the Arduino Opta WiFi. I'm trying to find out which Wi-Fi chip it uses for its connectivity.

it uses Arduino Mbed core WiFi library which only supports the WiFi module of Portenta boards which is

Thank you so much for your help! I really appreciate you taking the time to respond and share your knowledge.