Hi. I have a tiny FPV quadcopter. Until recently it flew perfectly fine and had a acceptable video feed range even inside the house. But since a few days the video signal breaks up after just 5 meters. I have checked and changed the antenna... it is good it seems. So my question is, can the VTX just die or is there anything else I miss? I just don`t want to buy a new VTX without being able to solve the problem with that... Could anybody give his opinion please? Thanks.