C4i
Supplier · Melbourne, Victoria, AU
About C4i
C4i (part of the Frequentis Group since 2021) is an Australian manufacturer of secure communications systems for mission-critical defense and government environments. Founded in 1989 (formerly Redflex), C4i has been acquired by ITT Exelis, Harris Corporation, L3Harris Technologies, and now Frequentis. Products include VOICE C2 secure communications systems, VOICE C2 Red/Black systems, VOICE C2 Blade System, and Communications on the Move solutions. Also provides cyber security services. Interoperable solutions are deployed in more than 40 countries by air, land, and joint forces including the US Air Force, UK Ministry of Defence, Canadian Department of National Defence, and Royal Australian Air Force. Headquartered in Melbourne, Australia.
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