for ttn-otaa and ttn-abp example how can I select Korea frequency 920 to 923 MHz

[sarwadenj]

• Version of Arduino IDE being used: 1.8
• Network provider (The Things Network.)
• Region Korea 920-923MHz
• Board (Lora dragino shield kit-->https://wiki.dragino.com/index.php?title=Lora_Shield
• http://www.dragino.com/products/lora/item/102-lora-shield.html

I want to select Korea frequency 920 to 923 MHz for my board lora dragino shield. In ttn-otaa example where can i select korea frequency. Please guide

[terrillmoore]

This is done in project_config/lmic_project_config.h