The original Uno WiFi had a CX1 jack and a zero ohm resistor R36 to support an external WiFi antenna.
It looks like this was removed on the Uno WiFi Rev 2.
Does Uno WiFi Rev 2 support an external WiFi antenna?
I found two topics regarding the original Uno WiFi external antenna:
I attached screen shots of the relevant portions of the schematics for both boards. I could not find any detail on the antenna on the Uno WiFi Rev 2.
Is there some more info meanwhile?
I also would like an external antenna for my arduino uno wifi rev2.
Thnx
Need also an external antenna, any solutions meanwhile?
I too wish for an external antenna or more signal strength from the uno wifi 3 module.
I looked at the NINA's spec and in particular the antenna radiation patterns.
https://www.u-blox.com/sites/default/files/NINA-W10_DataSheet_(UBX-17065507).pdf
If I'm reading the diagrams right, the strongest signal is pointing sort of back over the Nina.
I have a motor shield on top, so no surprise it's eating a lot of my signal.
Seems like a funny choice to lay out the module in that orientation.
I'll probably take off the motor shield and connect the motor another way.
H.
