Rattlegram/Ribbit is a new digital text messaging mode for HF/VHF/UHF recreational and emergency communications. Important Note: Tech demo is called Rattlegram - Ribbit name will be used when we reach Alpha release
Digital Messaging - Ribbit is a novel digital text messaging mode for VHF/UHF communications for recreational and emergency use which radically increases the density of information transmitted by spectrum used.
No Hardware - It leverages the computing power of the modern smartphone to increase the capabilities of any Handy Talkie without requiring any additional hardware or cable.
Distributed Design - Its redundant distributed nature allows it to function even when internet connectivity is lost during emergencies.
Open Source - Ribbit is open source and currently in its early stages of development.
ORI - Ribbit is a project of the Open Research Institute
Want to know more:
DEFCON 2022 DOWNLOAD THE PDF POSTER
DEFCON 2023 DOWNLOAD THE PDF POSTER
Want to test the technology?
Download Tech Demo - 'Rattlegram'
Test your reception with the test signal on YouTube.
Audio File Download: ZS1I Ramblings 31 August 2023 Issue 8 - Meet Rattlegram and Ribbit!
