I'm sorry that your currently experiencing this issue . Bandwidth is an combination of several different factors including both the upload speed at home and download speed at the remote location. Ideally you would want both over 2mbps at both locations for an ideal viewing experience. However be mindful that this does not take into account any other possible strenuous activities that may be occurring on your network (Online Gaming, Video Streaming, Etc). Below are some articles that may provide more clarity:
If there are any other issues feel free to reach out.