I found this: A current proposal regarding the 900MHz band, primarily put forward by NextNav, suggests a significant reorganization of the spectrum to allocate

I found this: A current proposal regarding the 900MHz band, primarily put forward by NextNav, suggests a significant reorganization of the spectrum to allocate a portion for their terrestrial 3D positioning network, potentially creating dedicated uplink and downlink bands within the lower 900MHz range, which could impact existing users like toll systems and RFID devices due to potential interference concerns; however, this proposal faces strong opposition from various industries currently utilizing the band