am currently having severe and frequent intermittent WIFI disconnections on my CRS125-24G-1S-2HnD-IN ... is there any idea/help what this might be caused with please?

Hi, I have recently bought the CRS125-24G-1S-2HnD-IN and have been so far very happy with it except for its wireless connectivity. I am having frequent. irregular WIFI disconnections and makes the situation frustrating especially when users are connecting via VPN over the same mentioned WIFI connect...