SMS DBS

SUBJECT VIEWS FAQ TYPE MODEL LAST UPDATED DETAIL
When GTM-204M is used on SMS-DBS, USB can receive SMS normally. Why UART can not receive SMS? 2 Troubleshooting 2020-03-31
If the SMS DBS do not work after I press the start button in SMS DBS, and the error message is “GTM-201 Modem Initilization Failed with COMx, Error code = -1” as below, how can I solve it? 3 Troubleshooting 2020-03-31
If the SMS DBS do not work after I press the start button in SMS DBS, and the error message is “GTM-201 Initilization Failed with COMx, Error code = -3” as below, how can I solve it? 3 Troubleshooting 2020-03-31
If the SMS DBS do not work after I press the start button in SMS DBS, and the error message is “Open COMx Failed, Error code = 65533” as below, how can I solve it? 11 Troubleshooting 2020-03-31