Please help me for my wireless business

You can use a DD-WRT flashed router to do that. You can find them on Ebay pre-flashed or do it yourself with some research. Be careful if you do it yourself because you can brick the router.

Here is an article I found with a quick google search https://tipsmake.com/create-a-private-hotspot-with-ddwrt

Probably alot more in depth stuff out there. Their is a forum dedicated to DD-WRT as well.

Good luck.
 
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