Run AT+COPS=? to list all available network operators in the area; this is useful for verifying roaming availability.
The software typically includes an "AutoConnect" feature that scans available COM/serial ports to find the modem's AT command interface automatically. Common AT Commands for Huawei Modems huawei modem terminal
The ATI command displays the product code, hardware revision, and current firmware version. Expert Tips for Configuration Run AT+COPS=
Provides immediate insights into signal metrics like RSSI, RSRP, and RSRQ , which are critical for optimizing reception in low-signal areas. huawei modem terminal
Windows PC with .NET Framework 2.0 or higher installed.