NO SIGNAL GM862

:idea:

I HAVE SETUP:

AT#BND=1

BUT I CAN’T REGISTER THE GM862, I USED COMMAND

AT+CREG

BUT IT GIVES

+CREG: 0,2 AND DON’T CHANGE.

IF SOMEONE KNOW IF MODULE GM862 ANTENNA CONECTOR GIVES

SOME VOLTAGE TO ANTENNA OR WHAT CAN I CHECK?

(MEXICO)