If we want to Use the SMA connector with Ebyte E72-2G4M20S1E to make the module. To work with an external antenna, it must to cut the traces of the built-in antenna and solder the SMA connector directly to them. The built-in antenna is not intended to be used.
Like this pic
If we want to Use the SMA connector with Ebyte E72-2G4M20S1E to make the module. To work with an external antenna, it must to cut the traces of the built-in antenna and solder the SMA connector directly to them. The built-in antenna is not intended to be used. Like this pic