We have a router in our home but the signal does not reach our backyard birdhouse. We bought a AX1800, but it appears to be a router and not a wifi extender. What would be a better choicw?

Tried resetting the device by pushing in the side button hole. The first blue light comes on. Nothing else. Pushed the side button. The second ight starts blinking. Thenn went off.

My range extender has Model: RE223BE and BE3200 W-Fi 7 Range extender on the label It was working fine with my birdhouse cameras until it stopped providing the 2.4GZ signal they need. The 2.4G light...