3G/4G Product

SUBJECT VIEWS FAQ TYPE MODEL LAST UPDATED DETAIL
How to convert 2 bytes Hex value into a decimal reading for either a more meaningful 4 ~ 20mA? 6 Troubleshooting 2020-07-31
Precautions of RTU function. 6 Software Development 2020-07-31
Please refer to the link below:

Precautions of RTU function.
How to connect 2 PC via MDVPN? 20 Troubleshooting 2020-03-30
Please refer to the link below:

How to connect 2 PC via MDVPN?
Why can't GRP-540M reconnect to Server after disconnection? 5 Troubleshooting 2020-03-30
How does the GRP-540M registered via a public IP SIM card? 9 Troubleshooting 2020-03-30
Using the G-4513 found a month later, the program would have sent a text message every 30 seconds into every 5 seconds, the module to reopen in order to be normal. How to solve? 2 Troubleshooting 2021-11-12
I have a program that is compiled with LCD library, and it run normally on G-4500D-2G. Does it can directly move to G-4511D-2G or G-4513D-3GWA? 0 Troubleshooting 2021-11-12
I connected the power supply to the G-4514. Why does the G-4514 shut down immediately after it starts, the power light goes out? 16 Troubleshooting 2020-12-02
I already have an executable running on the G-4513. Now I want to use the G-4514. Can this executable be transferred directly to the G-4514 use? 5 Troubleshooting 2020-12-02
I want to use the module to receive the specified message after the DO output, and confirm by DI, if the DI has a short circuit, it will return a successful SMS, and otherwise it will return the failed SMS. In addition, the phone number transmitted must be approved by me. 24 Troubleshooting 2020-12-02