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SIM7020e module get error when sending data

iotcreators.com portal & API

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Tigran Sardaryan last edited by

Hi, I have build few sample modules (all the same) and registered IMEIs in the system.
Now when I turn on devices only first one is able to send data. Others are getting error on ‘AT+CSOSEND=0,0,“data”’ (registration and unregister works fine).

Could anyone help me ?
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