Better than conventional radar?
It uses less power, requires no warm up time, gives a clearer picture, needs less tuning and is simpler to use. Working on Frequency Modulated Continuous Wave (FMCW) broadband pulsation solid state technology, it compares frequency changes between the transmitted and received signals.
What impact it makes on the marine leisure market over the next few years remains to be seen!
https://www.rya.org.uk/knowledge-advice/cruising-tips/navigation/Pages/broadband-radar.asps
(see also Digital Radar https://www.rya.org.uk/knowledge-advice/cruising-tips/navigation/Pages/digital-radar.aspx)