Meaning of ultra wideband in English:

ultra wideband

Pronunciation /ˌʌltrə ˈwʌɪdband/

noun

(also ultra wide band)
Electronics Telecommunications
  • A very broad bandwidth; (in later use) specifically a radio communications technology which uses the transmission of very narrow and low-energy pulses over a broad bandwidth to achieve high communication speeds; frequently attributive.

Origin

1940s; earliest use found in Indian Journal Physics.