"The USA LoRaWAN frequency spectrum has 64 uplink channels available (125 kHz each) (channels 0-63) starting at 902.3 MHz which increment every 200 kHz up to 914.9 MHz. There are 8 additional uplink channels (500 kHz each) (channels 64-71) from 903 MHz which increment every 1.6 MHz up to 914.2 MHz."
( https://www.baranidesign.com/faq-articles/2019/4/23/lorawan-... )