Global Innovation
In
Mission-Critical Communications

Headquartered in Sydney, with R&D locations in four countries around the globe, Etherstack is the world’s leading licensor of wireless technologies for the public safety and mission critical communications industries

Global Innovation
In
Mission-Critical Communications

Headquartered in Sydney, with R&D locations in four countries around the globe, Etherstack is the world’s leading licensor of wireless technologies for the public safety and mission critical communications industries

Global Innovation
In
Mission-Critical Communications

Headquartered in Sydney, with R&D locations in four countries around the globe, Etherstack is the world’s leading licensor of wireless technologies for the public safety and mission critical communications industries

Global Innovation
In
Mission-Critical Communications

Headquartered in Sydney, with R&D locations in four countries around the globe, Etherstack is the world’s leading licensor of wireless technologies for the public safety and mission critical communications industries

Global Innovation
In
Mission-Critical Communications

Headquartered in Sydney, with R&D locations in four countries around the globe, Etherstack is the world’s leading licensor of wireless technologies for the public safety and mission critical communications industries

Global Innovation
In
Mission-Critical Communications

Headquartered in Sydney, with R&D locations in four countries around the globe, Etherstack is the world’s leading licensor of wireless technologies for the public safety and mission critical communications industries

Global Innovation
In
Mission-Critical Communications

Headquartered in Sydney, with R&D locations in four countries around the globe, Etherstack is the world’s leading licensor of wireless technologies for the public safety and mission critical communications industries

Global Innovation
In
Mission-Critical Communications

Headquartered in Sydney, with R&D locations in four countries around the globe, Etherstack is the world’s leading licensor of wireless technologies for the public safety and mission critical communications industries

Global Innovation
In
Mission-Critical Communications

Headquartered in Sydney, with R&D locations in four countries around the globe, Etherstack is the world’s leading licensor of wireless technologies for the public safety and mission critical communications industries

Etherstack is a global leader in secure, resilient push-to-talk communications.

We specialise in wireless and network communications technology for customers in the public safety, defence, utilities and resources industries.

Our technology is licensed by the leading names in wireless communications globally, whether on land, sea, air or space, and is used around the world to deliver mission critical voice and data to users. Etherstack also supplies digital radio systems and manufactures tactical communications products based on Etherstack technologies.

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Defence

Etherstack is a waveform specialist that has supplied waveform software to 20+ defence organizations and equipment manufacturers across the United States, UK, Australia, Japan and Europe. In addition to waveforms, our regional R&D teams support research, development and integration activities in resilient deployed communications for our defence clients.

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Public Safety

Etherstack supplies LMR networks & technologies that our First Responders use daily to support our communities. From complete turnkey public safety networks to deployable tactical communications over satellite keeping officers and the people they serve safe.

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Carrier MCx

Based on 25 years’ experience in both the LMR and high availability PTT server fields, Etherstack’s MCx solutions for telco carrier (LTE) to radio system to satellite mission critical interworking are in use by the world’s leading 5G network equipment and public safety service providers.

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Utilities & Resources

Spanning the United States, Canada & Australia, Etherstack’s P25 networks for electric utilities and resource projects provide essential communications for efficient service provision and worker safety. We provide 24/7 support to those who keep the lights on across the globe.

Recent Market Announcements

31 May, 2024
Etherstack signs seventh mining communications contract

26 August, 2022
Etherstack Signs Nokia MCX IWF Agreement

22 July, 2021
Etherstack Signs A$11.6m Samsung carrier deal

Latest News

Etherstack awarded UK Home Office MCPTX Contract

11 November, 2025

Etherstack awarded UK Home Office MCPTX Contract 11 November 2025, Sydney, Australia: The UK Home Office has awarded a

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Etherstack and Streamwide to offer NextGen MCPTXaaS

15 October, 2025

Etherstack and Streamwide to offer NextGen MCPTXaaS in Australia 15 Oct 2025, Melbourne, AUSTRALIA: Today at Comms Connect Melbourne

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From LMR to standards-based MCX via ISI

19 September, 2025

Hear from Etherstack CEO, David Deacon, and Gert Jan Wolf of Critical Communications Review at CCW 2025 in Brussels

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