# IoT USB Modem This component using ESP32-S2, ESP32-S3, ESP32-P4 series SoC as a USB host to dial-up 4G module through PPP to access the Internet. **Features Supported:** * Compatible with mainstream 4G module AT commands * USB PPP dial-up * USB Dual Interface > Secondary AT Port can be used for AT command when main modem port is in ppp network mode ## Docs Please refer: https://docs.espressif.com/projects/esp-iot-solution/en/latest/usb/usb_host/usb_ppp.html ## Examples * [USB CDC 4G Module](https://github.com/espressif/esp-iot-solution/tree/master/examples/usb/host/usb_cdc_4g_module)
7c133a8b81c161635ee1f093acd180a2322adb72
idf.py add-dependency "espressif/iot_usbh_modem^2.0.0"