Symptoms
The device is operating normally but can not send or receive data traffic without restarting. The device responds to and executes SMS commands and stores values, but can not send reports or download configuration files.
Purpose
The article describes how to solve the problem when a GPRS device can not send or receive data traffic without restarting since the data transfer is too good. If the data transfer is too good, the built-in power supply does not manage to run the device. By setting the value for GPRSCLASS in the device to 8 instead of the higher default value, the problem is solved.
Resolution
Set the value for GPRSCLASS
Set the GPRSCLASS to 8 by sending the following SMS to the device. To set the value you need to include the password for the highest security level which by default is 3333 unless you have specified your own password.
3333;set common.net.gprsclass=8
What is GPRSCLASS?
The gprs class is the speed at which data is transmitted.
Class 8 - 8-12 kbps up & 32-40 kbps down.
Class 10 - 16-24 kbps upp & 32-48 kbps down.
Class 12 - 32-48 kbps upp & 32-48 kbps down
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