433 AH real world Throughput in AP mode

hi guyz..
i’m a wisp tried with many 433 ah with many mini pci cards but it will never crossed the 2 Mbps throughout after that i got congested with latency problems,
even it handle 20+ clients.
But in other modes it gives more throughput.
i want know this is the limitation of throughput in AP mode.
share ur real world throughput to help me to improve…

Same clients?

What is your signal, ROS version, radio cards, etc?

5.8 version , compex , r52 hn and extra…