Not sure if this is the right place to ask, but does anyone know if I put a wifi extender in the shed (according to the drawing) will the signal reach the office? Thanks for any help.

https://lemmy.ca/post/62642200

Go stand with your phone where you’d expect to place the extender.

If it gets a strong signal, you are probably fine.

It’s good, not excellent, does it mean with the extender the signal in the office will be good or just weak?

Probably a bit better than your phone, depending on models (phone, extender, router), of course. At least in theory repeaters can have better antennas and more power to spare.

If you can put a network cable though at least one of the walls you might as well just put an outdoor AP (main building) or WiFi bridge (shed) there. That way the signals only have to go through one wall.