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| Feature | Description | |---------|-------------| | | Automatically find and connect to modem ports on your system. | | Single/multiple commands | Send one AT command at a time or batch commands from a script. | | Script automation | Load, save, and run script files; configure wait times between commands; loop commands. | | Command‑line execution | Run scripts from the Windows command line. | | Logging | Save all modem requests and responses to a log file. | | Diagnostics | Send modem diagnostic commands; perform signal checks and speed tests. | | Voice & data | Send/receive voice calls; set up modem data connection profiles. | | SMS management | Send/receive SMS in text or PDU mode; list/view/delete messages; PDU converter. | | Phonebook & SIM | Create/edit/delete phonebook entries; test SIM lock status, change PIN, enter PUK. | | GPS integration | Connect to an NMEA GPS port and retrieve location data. | | MQTT client | Connect to public or local MQTT servers; publish/subscribe to topics. |

ATE1 (Echo on) AT+CMEE=2 (Verbose errors) AT+WRITE=0,"V104_top" (Optional: label the firmware slot) AT+UPGRADE write at command station v104 download top

Previous versions (v101-v103) relied on a simple "flight mode" check before allowing sensitive commands. v104 introduces a challenge-response authentication mechanism for certain "dangerous" commands (e.g., writing to NVRAM). However, read operations often remain unauthenticated, posing a potential information disclosure risk. | Feature | Description | |---------|-------------| | |

The software serves as a bridge between a computer and external hardware, offering several key functionalities: | | Command‑line execution | Run scripts from

: Modern stations allow users to store sensitive or frequently changed data (like APNs, server IPs, or MQTT credentials) as variables. The station can then "inject" these into standard command templates on the fly, reducing manual typing errors during mass testing. Automated Diagnostics Export

: The tool serves as a bridge for writing and managing firmware, configuration commands, and layout scripts. Key Functionality :