ESP32 4G Gateway (Gen 1)

ESP32 SIM7600 Cellular Modem Interface using Arduino IDE

With example code, this article covers ESP32 SIM7600 4G LTE cellular modem interfacing using Arduino IDE. Hardware used is ESP32 Gateway.

ESP32 PPPoS modem “esp_modem_dte_send_cmd(): process command timeout” error, causes, and some solutions that work with SIM7600 and A7670.