Onboard Wifi Antenna

the Main page of the CM3 wiki ( https://wiki.radxa.com/Rock3/CM ) says that there is an onboard wifi antenna, as well as the external connector. without an external antenna connected, the wifi reception is very weak. is there a device tree overlay or parameter that needs to be enabled to use the onboard antenna, like on the raspberry pi CM4, or does the onboard antenna even exist?

Hi, @design.wilmot

The CM3 only supports external antenna. The wiki page was wrong and it’s corrected now. You can use antenna like this: