Go check out the eye watering prices, example, $1599 USD...
https://www.amazon.com/TP-Link-Deco-BE95-AI-Roaming-3-Pack/d...
https://www.amazon.com/TP-Link-Deco-BE95-AI-Roaming-3-Pack/d...
If you look at the price of 1x normal type AP instead of 3x BMWs the price really isn't that high. The story is the same on the client side where most any m.2 adapter should be less than $40 to upgrade to.