Division 1 United Kingdom Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below: Annex Table 6 replacement by Decision (EU) 2020/590 amending Decision (EU) 2019/784 as regards an update of relevant technical conditions… Decision Annex Table 4 replacement by Decision (EU) 2020/590 amending Decision (EU) 2019/784 as regards an update of relevant technical conditions… Decision The duplex mode of operation in the 24,25-27,5 GHz frequency band shall be time division duplex. ← Division 2 Division 1 Division 2 →