I am using sim800A gsm module and in which i have used 4g prepaid SIM card. But not sending message to phone, so i need to about sim800A gsm module is support 4g SIM card or not.
Airtel 4G SIM support 2G fallback, they should work. We use them with our VALTRACK boards which run on SIM800C
Hello sir sir mai gsm module m590e use kar rha hu but usme msg mode kase Activate hoga plz bataye
Please post separate thread with appropriate topic name.
Sir I used m590e gsm module AT
Itpe msg ctrl+z
So plz bataye sir ki kya problem h
Thanks in advance