Best Config for Point to multi point link

hi
i have netmetal5 for ap and 15 client (SXT) with a distance of 2 km
What can I do to get the best results
Can it make a configuration for higher bandwidth?
At the moment, every client receives 11 megabytes

Configure your AP and clients with nv2

https://wiki.mikrotik.com/wiki/Manual:Nv2

Steve Discher has a post about something related to your question.