Hi, Nishikant_Hingole,
I got it and I am sorry that the GNSS module is over my support content, I disscuss with my fellows, they suggest me change the post category to GNSS. Could I do this? there are our fellow who is professional in GNSS problems in GNSS category.
I wait for your replying.
Best wishes.
Sure, please change it…
Ok, I have changed it. Thank you!
Hello @Job.Bao-Q,
Recently I am facing some issue with this command with m66 module
AT+QMTCFG=?
+CME ERROR: unknown
AT+QMTCFG=“SSL”,0,1,2
+CME ERROR: unknown
Hi, Nishikant,
I would like to suggest you could post this problem on 
There are specific experts who is good at debugging M66 module and they will resply you inmediately.
Thank you.