UBB-XG RF Operating frequency* 57 to 66 GHz *Dependent on regional regulations. Channel bandwidth 2,160/4,320 MHz (Channel Bonding Enabled) Operating channels* 58,320/59,400/60,480/61,560/62,640/63,720/64,800 MHz *Dependent on regional regulations. Backup RF Operating frequency* US/CA U-NII-1 5,150 - 5,250 MHz U-NII-2A 5,250 - 5,350 MHz U-NII-2C 5,470 - 5,725 MHz U-NII-3 5,725 - 5,850 MHz Worldwide 5,150 - 5,725 MHz *Dependent on regional regulations.