camera disconnects

Hi looking for help. My radio controller St10+ Is showing a blue screen. It's saying it is unable to connect to the camera. I have rebinde the camera and it said connection established. I have the cable with earphone socket that splits to connect to the camera and to the gimble the little white...

Out of the box my 4K dropped video feed after about a minute or so. I know I'm in a congested wifi area, so I assumed that was the issue. I just purchased a 2nd ST10+ with the Carolina Dronz antenna mod. 1st test flight with new xmitter and after a minure it dropped the feed. I snapped a few...