@Ahmed-Maktoom 

i have a speed issue of US access point it hardly gives me a speed of 100Mbps where EU version gives me the full speed as per my subscription with the provided (300Mbps+)

2.4GHz won't get 300Mbps+ speed, so I assume you are talking about 5G speed. If US version gives a maximum speed of 100Mbps on 5G while EU version gives 300Mbps+, I suggest you checking the cable connection between the US version and the router/gateway, ensure the wired connection negotiates at 1Gbps first. Then fix the 5G channel on the EAPs, crowded channel may affect and lower down the speed, so choose a relatively clean channel for use.