Inquiry on Executing AT Commands via UART1 on RAK3172 Module Attached to RAK19007

I hope this message finds you well.

I am currently working with the RAK3172 module attached to the RAK19007 baseboard. I would like to know how to configure the setup to execute AT commands via UART1. Could you please provide detailed instructions or relevant documentation to achieve this?

Your assistance is greatly appreciated.

Welcome to the forum @yurim
UART1 is not available for AT commands. RAK3172 supports by default only UART2 for AT commands;

General information about how to communicate over UART2 with AT commands.

AT command manual
RAKWireless library for communication over UART with RUI3 based WisDuo modules.

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