C4i

We are now using the Frequentis LinkedIN site - Since 1989, C4i has led advancements in secure communications for the world’s most demanding mission-critical environments. C4i’s interoperable communications solutions are used by defence, governments and industry in more than 35 countries. C4i products enable rapid response times, interoperability and flexible asset utilization, and provide customers with ongoing cyber security protection. Based in Melbourne, Australia, the C4i team design, manufacture and integrate communications solutions for clients all over the world. From its Australian roots, C4i quickly established itself globally by winning local and international business. It has gone from strength to strength with various parent companies through a series of acquisitions and mergers: 1989 - Redflex 2006 - Longreach 2013, 2015, 2019 – ITT Exelis, Harris Corporation, L3Harris Technologies 2021 - Frequentis For any enquiries, please contact us on and we'll put you in contact with someone to discuss your specific interoperable communications needs.