 This date was generally viewed as an internationally mandated analog switch-off date, at least along national borders - except for those operating on the VHF band which would be allowed until 17 June 2020.These deadlines set by the agreement have been difficult to reach in certain regions, like in Africa where most countries missed the 2015 deadline, as well as South East Asia.High upgrade costs are often a reason cited to the slow transition in those regions.