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Hello a greeting. I wanted to know if there is any free internal serial port through which I can get telemetry through it, it is to connect a wifi module.

I installed the new firware 2.0.13 in which it was said that the SWR valué appear, the case is already out that valué but inget a rea dina of 255 constant. ¿Aré youthis may be due?. Forgive my writing because i dot it througt Google translator, i'm fron Spanic. With one saludo.