Modem
| SUBJECT | VIEWS | FAQ TYPE | MODEL | LAST UPDATED | DETAIL |
|---|---|---|---|---|---|
| Voice call were working before, but why doesn't it support the voice function now? | 6 | Troubleshooting | 2024-12-18 | ||
|
Please refer to the link below:
Voice call were working before, but why doesn't it support the voice function now? |
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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? | 11 | 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) | 3 | 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 used GTM-204M to make a call, but the user has not answered the call, but why does the Log message show that it has been answered? (GTM-204M Series) | 12 | Applications | 2020-11-24 | ||
| I confirm that the module is registered through AT Command, but the network connection still cannot be established. What should I do? (GTM-204M Series) | 9 | Applications | 2020-11-24 | ||
| Why can't I get GPS related information through NMEA Port? | 3 | Troubleshooting | 2020-11-24 | ||
| The Com port opening method seems to be different from the I-8213W-4G. How do I use it? | 3 | Troubleshooting | 2020-11-24 | ||
|
Please refer to the link below:
The Comport opening method seems to be different from the I-8213W-4G. How do I use it? |
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| How to test SMS function of I-8212W-3GWA/I-8213W-3GWA on ViewPac or WinPac (WinCE)? | 1 | Troubleshooting | 2020-11-24 | ||
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Please refer to the link below:
How to test SMS function of I-8212W-3GWA/I-8213W-3GWA on ViewPac or WinPac (WinCE)? |
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