3G/4G Product

SUBJECT VIEWS FAQ TYPE MODEL LAST UPDATED DETAIL
GTP-541M has used the utility to set parameters and write them successfully, but why can't the SMS alarm be triggered 10 Troubleshooting 2020-12-04
The format of the voice file I used has been determined to be the same as that in the manual. Why is there still no voice when receiving the voice alarm? 11 Troubleshooting 2020-12-04
I send a ModBus command to the GTP-541M via the PLC and receive a duplicate message. 4 Troubleshooting 2020-12-04
Can the GTP-541M use the NC/NO trigger SMS at the same DI? 4 Product Functionality 2020-12-02
After triggering the alert message, the phone received multiple message 6 Troubleshooting 2020-12-02
Can foreign numbers be used? 6 Troubleshooting 2020-12-02
Please refer to the link below:

Can foreign numbers be used?
What is the difference between Level Trigger and Edge Trigger mode? 6 Product Functionality 2020-12-02
Why can't I log in to the Utility software? 6 Troubleshooting 2020-12-02
Please refer to the link below:

Why can't I log in to the Utility software?
No action when using the Uart software to the ModBus command under the GTP-541M 1 Troubleshooting 2020-12-02
DI function is abnormal, how to solve it 10 Troubleshooting 2020-12-04
Please refer to the link below:

DI function is abnormal, how to solve it