Dear sir/Madam,
We are in the business of energy metering form last 10 years, we have installed 200 meters in Singapore. In our 3G communicator product we have used quectel UG95 module.
3G communicator is having quectel module. take data from meter and send it to server.
Please go through below Image
on
AT+QIACT=1 command getting
+CME ERROR: 149
data sheet shows PDP ERROR
we have changes two sim cards same issue is observed.
Regards,
Vijay Bodake