This tool is essential for engineers, hobbyists, and integrators working with SIMCom’s 2G, NB-IoT, LTE, and 5G modules. The SIMCom Serial Port Tool is a free, lightweight Windows-based utility provided by SIMCom Wireless Solutions. Its primary purpose is to establish direct serial communication with a SIMCom module (connected via USB-to-UART, native COM port, or USB CDC/ECM) to send and receive AT commands .
Keep it in your toolkit, but don’t rely on it exclusively. Use it alongside PuTTY (for flexibility) and a script language (for automation). simcom serial port tool