Hello dear! This AP supports 2.4 and 5G bands technologies, so the maximum interface rate is 300 and 1733 Mbit/s each, so I strongly recommend you contact to your ISP, maybe they need to make some new configurations to your device, here you can check the devices' datasheet:
https://support.huawei.com/enterprise/en/doc/EDOC1100129466?idPath=24030884|9856746|23708797|22318691|23022895