3G/4G Product
| SUBJECT | VIEWS | FAQ TYPE | MODEL | LAST UPDATED | DETAIL |
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| How to solve the error of "Can not use COM xx" or "System cannot find file" when uploading files using 7188.exe? (G-451x Series) | 2 | Applications | 2023-11-14 | ||
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Please refer to the link below:
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| G-451x Series How to upload files? (G-451x Seiies) | 4 | Applications | 2023-11-14 | ||
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Please refer to the link below:
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| The module cannot register to the telecommunications network, but the SIM card has displayed Ready, but AT+COPS cannot register normally. How can I confirm? | 6 | Applications | 2021-12-01 | ||
| The module has been used for a period of time, and the SIM card can be registered, but suddenly it can send text messages sometimes, sometimes not. How can I confirm the problem? | 4 | Applications | 2021-12-01 | ||
| Through SCADA software and module communication, one of the two devices can send text messages, and the other can communicate but cannot send text messages. How can I confirm the cause of the problem? (GTM-204M) | 2 | Applications | 2021-12-01 | ||
| The module can’t recognize the SIM card, and the AT+CPIN command will reply to ERROR. The result is still the same after changing the SIM card and rebooting. How can I confirm? (GTM-204M) | 2 | Applications | 2021-12-01 | ||
| I burned the RTU Firmware into the G-4514, why can't RTU Center see my device after the setup? (G-4514 Series) | 10 | Applications | 2021-11-29 | ||
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Please refer to the link below:
I burned the RTU Firmware into the G-4514, why can't RTU Center see my device after the setup? |
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| I use GSM.lib to make a program, and it run normally onG-4500-2G. Does it can directly move to G-4513-3GWA? | 1 | Troubleshooting | 2021-11-12 | ||
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Please refer to the link below:
I use GSM.lib to make a program, and it run normally on G-4500-2G. Does it can directly move to G-4513-3GWA? |
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| Why read the AI value will be abnormal? | 1 | Troubleshooting | 2021-11-12 | ||
| After a period of time, the 4G light will be on without flashing. | 15 | Troubleshooting | 2020-12-04 | ||
