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3 TBS Unify Pro HV, connected directly to battery, with antenna.
If it's without airflow (e.g. sitting on my desk) on any power >25mw, i.e. 200mw and 800mW it shuts down after a minut of so. Strange but is this a feature to prevent overheating.
It won't do that on 25mw.
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2 According to what I read somewhere (can't remember where) I believe it was from TBS themselves, the unify should be able to run indefinitely at 200mw without cooling airflow, so you can have it inside a fuselage etc without issues. I run mine at 200 and I have it buried inside my micro one side double sided taped to the frame and sandwhiched under the battery strap so very little airflow and no issues
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0 It's how it is, it shouldnt shotdown at 25mw but it will at higher powers if there is no airflow. all depepnds on how VTX is mounted
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72 It also depends on how good the antenna is. If the antenna isn't well matched, or even worse, not properly connected, the signal gets reflected back to the output and heats things up much faster. Even if the antenna is well matched, if it's just lying on the bench, it's not going to radiate very well.
Also, check that the IPX connector that connects the pigtail to the board is firmly attached.
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