bluetooth radio

Hi! Anyone else feeling like the bluetooth functionality is kind of wonky on the Surface Book 2 (and possibly others)? I have a couple of BT devices with various problems: Logitech mouse - works fine. Bluetooth speakers, stops working sometimes, audio turns stuttery, video can sometimes...

This is constantly going into error condition. I have tried to see what occurs immediately before. Event Manager always shows a series of DistributedCOM errors but I can't find out what these are/mean. Eventually the Marvel AVASTAR BT radio fails with Code (43) which tells me exactly nothing...