Ah it's started happening again. I have only flown the drone 3 times, and only hovering no more than 6FT, so not really tested it all as I'm still in the building phase. The problem is that all telemetry just disappears off the screen, and the audio says 'telemetry lost'.
1) RSSI shows at 80 give or take 5 (when I click on 'range')
2) No, its to 45, and I never get that low, as the problem happens when I'm within 0 - 2 metres, not tested it beyond that much
3) Sorry no I dont have any other module to test this with
4) I havent upgraded firmware
So I will do a firmware update, on both receiver and transmitter, and see if that fixed the problem?