Would one of these be enough to cover my neighbors place ? :)
https://www.pbtech.co.nz/product/NAPGSM11108/Grandstream-GWN7600LR-MU-MIMO-Dual-Band-2x22-AC130
AP would be at the red dot, and the main coverage area for next door is the yellow. Just standard modern house, fairly open plan, so minimal internal walls, no brick work etc.
Running cabling is not an option.