M2M SIM Cards – Check if SIM is present M2M/IOt Modules
SIM cards are required on the mobile devices get service on a carrier network. M2M SIM cards server the same purpose, they are needed for the data connectivity and sending/receiving SMS messages on the wireless carrier network.
Check if SIM card in present on M2M/IOT modules
Using the AT Command Tester tool, you can if the SIM card is present and correctly read by the wireless modules.
SIM Card Not Present
When SIM is not detected by the mobile device, AT Command Tester will return the status ‘SIM is not ready’.
SIM Card is Present
When SIM is detected by the mobile device, AT Command Tester will return the status ‘SIM is ready’.