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All Products & Solutions IoT Applications Service & Support Info Center Company

What are the requirements for power supply voltage and driver capability for normal functions of the module?

2020-06-22
What are the requirements for the battery power supply?

2020-06-22
How to troubleshoot if voice calls cannot be made or the internet cannot be accessed with a SIM card?

2020-06-22
What is the possible cause of SIM card damage?

2020-06-22
What is the cause of SIM card drop? What is the cause for reporting +SIM DROP?

2020-06-22
What to do if the serial port is not connected?

2020-06-22
Why does the module return junk code when the serial port of the single chip microcomputer sends data?

2020-06-22
How to check if the module is turned on when the serial port is disconnected?

2020-06-22
How to check the signal strength of the module?

2020-06-22
Can I use GPS antenna or WIFI antenna instead of 2G/3G/4G/5G antenna?

2020-06-22
What are the conductive transmit power and the receive sensitivity?

2020-06-22
What are the signal value requirements for CSQ to work properly?

2020-06-22
What is digital voice? What is analog voice?

2020-06-22
What is TTS?

2020-06-22
Are there any pins that can indicate the working status of the module?

2020-06-22
What is the maximum data volume that can be received by the built-in protocol stack?

2020-06-22
What protocols do the built-in protocol stack generally support? Is there an application document?

2020-06-22
How to switch SMS formats?

2020-06-22

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