Maximum number of connected devices

The speed rating of access points represents the maximum theoretical network bandwidth each can support. A Wi-Fi router rated at 300 Mbps with 100 devices connected, for example, can only offer, on average, 3 Mbps to each (300/100=3).

I found this article interesting.  The above is an excerpt from the article.  

https://www.lifewire.com/how-many-devices-can-share-a-wifi-network-818298