Recieved my Unit in the mail… Questions, Antenna is not included, is it safe to operate without the external antenna attached? How to load XIAO ESP32C6 into Arduino Board Manager

For question 2, you can Add https://github.com/espressif/arduino-esp32/releases/download/3.0.0-alpha3/package_esp32_dev_index.json to the Arduino external URLs, or Download the Arduino Alpha 3 Release v3.0.0 based on ESP-IDF v5.1 . Then, you would need to manually update the installed package with…