Ultra-Wideband Technology: An Old Idea to Reform Modern Access Control
![Ultra-Wideband Technology](https://dormakaba-staging.aws.hmn.md/tachyon/2020/07/Blog_Post-picture_02-11.jpg)
Ultra-wideband (UWB) technology is as old as the radio. It was first used in 1901, by the Italian innovator Guglielmo Marconi, who sent Morse code sequences across the Atlantic Ocean using spark-gap radio transmitters.