@Miracle your case is different. it is fine to use multiple AP+omni antenna to cover many small cells like yours. This is also a variant of cellular network. But what I mean is don't use AP+omni...

but the controller still indicates need to be upgraded. Upgrade the control itself or upgrade the EAP? Better post the screenshot or the text of the warning

The CPE220 will reach 30dbm. The CPE520, WBS210 and WBS510 will reach 27dbm we need outdoor omni AP with High power Tx 29 dbm atleast.. in fact it won't achieve acceptable performance. Omni antenna...

I believe that is a configuration issue. as the routerOS of mikroTik is too complicated. Yet there should be not problem to bridge a TL-WA7210N to MilroTik AP. btw..this is just a user forum.

I could get the range only up to some 20 meters 1. Obstacles/walls are definitely Wi-Fi killers, especially for 5Ghz signal. 2. Communication is bidirectional. In fact the AP can broadcast the signal...

CPE510 is 5GHz only. 1. The first thing you need to check is that your mobile phone and laptop is capable of 5GHz Wi-Fi. Not all smartphones/laptops can support 5GHz Wi-Fi. 2. Make sure you are using...