Editing Digital Audio Broadcasting (section)

===Bands and modes===
DAB uses a wide-bandwidth broadcast technology and typically spectra have been allocated for it in [[Band III]] (174–240&nbsp;MHz) and [[L band]] (1.452–1.492&nbsp;GHz), although the scheme allows for operation between 30 and 300 [[Megahertz|MHz]]. The US military has [[Ultra high frequency#United States|reserved]] L-Band in the USA only, blocking its use for other purposes in America, and the United States has reached an agreement with Canada to restrict L-Band DAB to terrestrial broadcast to avoid interference.{{Citation needed|reason=date:July 2008|date=July 2008}}

; Current mode:
* Mode I for Band III, Earth

In January 2017, an updated DAB specification (2.1.1) removed Modes II, III and IV, leaving only Mode I.
; Former modes:
* Mode II for L-Band, Earth and [[satellite]]
* Mode III for frequencies below 3&nbsp;GHz, Earth and satellite
* Mode IV for L-Band, Earth and satellite