Issue
When do the D7112 Transmitters send a Low Battery Report?
Solution
For the Transmitters that use the 3.6V Lithium battery (D7121, D7122, D7130, D7131, D7198, and D7199), the low battery threshold is 3.4V.
For the transmitters that use the 9V Alkaline battery (D7190, D7191), the low battery threshold is 7.2V.
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