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Following on from my earlier post about trailer camera's, it occurred that potentially a Gopro with Bluetooth could work...
Any ideas which Gopro models (and potentially cheaper clones of such things..) have the ability for the camera to send live feed via Bluetooth to 'phone with appropriate app?
Thanks in advance again.
I think the newer GoPro's use wifi rather than Bluetooth to share the feed. That's certainly true for the Hero 10. The Bluetooth is only used for sending instructions, like start / stop filming, so you won't get a moving image on your phone screen without wifi.
Most phones have wifi, so it's not a likely to be a big issue unless your device only has access to Bluetooth.
most of them do it over wifi, not bluetooth.
and the battery life with it enabled is horrific.