RAK4600 EVB Pinout Description

Is there any schematic for RAK 4600 and RAK4260 evaluation board schematic? I want to know USB UART pinout?

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https://downloads.rakwireless.com/en/LoRa/RAK4600/Hardware-Specification/

https://downloads.rakwireless.com/en/LoRa/RAK4260/Hardware-Specification/