该指令功能为测试GPRS服务是否开通。使用“AT+CGACT=1，1”命令激活GPRS功能。如果返回OK，则表示GPRS连接成功；如果返回ERROR，则意味着GPRS失败，应检查一下SIM卡的GPRS业务是否已开通，GPRS模块天线是否安装正确等问题。
I can't use the iBasis SIM beacuse in Italy is not supported. From LTE Link Monitor I added successfully the APN, butCGACT commandreturn an error. (Logs attached below) The available networks are correctly listed callingAT+COPS=?, but seems that no one is selected. +COPS: (1,"","...
There is an unusual error code in that log. We are using Windows dial-up networking to initiate a GPRS connection, and the error code being returned is "hardware failure". I've got a few ideas for what could be going wrong, and some additional troubleshooting suggestions. First, I'm...
time out Hi, I am trying to connect Thingy91 to nrfCloud. After turning them on, and leaving them on some time, they start to blink red and stop communicating with the cloud. In LTE link monitor I get these error messages: Here is also the log: This happens to at least two of my...
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