One possibility could be interference from other electronic devices or appliances in your home that are using the same frequency as your cameras. This could cause the signal to drop or become unstable. It might be worth trying to change the channel on your routers and cameras to see if this helps improve the connectivity.

Another potential issue could be a problem with the cameras themselves, such as a hardware failure or a software bug. In this case, geometry dash lite might be worth trying to reset the cameras and see if this resolves the issue.