United States 902-928 MHz, FSB 1
United States 902-928 MHz, FSB 2 (used by TTN)
United States 902-928 MHz, FSB 3
United States 902-928 MHz, FSB 4
United States 902-928 MHz, FSB 5
United States 902-928 MHz, FSB 6
United States 902-928 MHz, FSB 7
United States 902-928 MHz, FSB 8
And in Balena, what values should the variables have TTN_REGION and TTN_STACK-VERSION?.