If you have a 2G (GSM) device based on SIM800C and are now working on creating a 4G (LTE) equivalent, then it is quite possible that you are considering SIM7600 (SIM7600E if you are in India, some other suffix if you are in a different location). Most IoT devices require the basic functionality of exchanging… Continue reading SIM800C to SIM7600 – Network-related AT Command Changes