Our earliest capture with readable facts. This is our first observation, not when the company introduced these things. These website claims are not independently verified.
All facts above belong to this capture. Unlisted fields mean we have no readable observation, not that they were absent.
How it describes itself
Similar headlines are grouped together. The quote shown is from the last capture in each group, not necessarily the exact wording throughout that period.
Seen October 2026 · 1 capture · latest observed messagingProximity Engagement Driving Contactless Commerce
Contactless Authentication. LISNR's ultrasonic data-over-sound technology enables contactless transactions for merchants, financial service providers and mobility companies.
Seen January 2025 · 1 captureEnabling A Seamless Customer Journey
Enabling A Seamless Customer Journey Say Hello to Radius, The World's Most Advanced Data-Over-Sound SDK. Packed with the power to increase revenue, reduce costs, improve customer loyalty... and more.
Seen July 2016 · 1 captureWorld’s most advanced ultrasonic audio technology
World's most advanced ultrasonic audio technology Send Data Over Audio LISNR is a high frequency, inaudible technology; a communication protocol that sends data over audio. We use inaudible sound wave