: A baud rate mismatch between your device's firmware and the software config.
Download the sscom5.13.1.exe file (the compressed package size is about 441KB), extract it, and launch the program . sscom5131exe
Are you getting a specific (e.g., "Cannot open COM port")? Which operating system are you using? : A baud rate mismatch between your device's
Ideal for AT commands used to configure Bluetooth, Wi-Fi, or GSM modems. or GSM modems.