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Frequentis AG: FREQUENTIS installs 201st voice switch for the US Federal Aviation Administration

Monroe, Louisiana (MLU), receives milestone voice communication installation

FREQUENTIS: 201st voice switch for FAA

FREQUENTIS: 201st voice switch for FAA

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USA / Austria (pta045/28.10.2021/16:00 UTC+2) Frequentis and the Federal Aviation Administration (FAA) recently completed installation of the 201st Air Traffic Control (ATC) voice communication system (VCS) in a replacement program that has been running since 2006. The latest system was installed and accepted by the FAA at the Monroe Regional Airport, in Monroe, Louisiana, as planned on 26 August 2021 despite COVID restrictions. This marked the 10th system installed this year.

The Frequentis VCS3020X is a drop-in upgrade performed under a multi-year FAA contract which continues to exploit FAA NextGen technologies, while simultaneously replacing legacy equipment. The system provides enhanced resilience for voice communications and improved efficiency by streamlining ATC workflows. Under this contract, Frequentis has been replacing Enhanced Terminal Voice Switch (ETVS), Small Tower Voice Switch (STVS) systems and Rapid Deployment Voice Switch (RDVS) at Air Traffic Control (ATC) towers, and radar approach control facilities in the US National Airspace System (NAS) and globally.

"We are very proud at Frequentis to be a performing partner with the FAA on the longest ATC VCS deployment for the NAS, fulfilling the terminal VCS requirements and providing simultaneous sustainment of our delivered systems. Communication continues to be critical for airspace safety and we are proud to provide continuous support," says Leonard Swiontek, President Frequentis USA Inc.

The original contract, awarded in 2004 led to a successful follow-on contract, awarded in 2015. The Frequentis VCS has since become the de facto standard within the Department of Defense (DoD) community. The U.S. Army has installed numerous systems around the world at Army Airfields (AAF).

Frequentis provides safe and secure communication solutions, taking advantage of modern IT concepts. Virtualization, cloud-based systems, and intelligent networks are the foundation of modern IT-based ATM technologies. The Frequentis' VCS3020X product line incorporates a future-proof design including Voice Over Internet Protocol (VoIP) networking technology, using the latest ED-137 ATM specification for IP-based air / ground radio voice communications, as well as unmanned aircraft system (UAS) operation based on the latest requirements.

About Frequentis USA

Founded in 1999, Frequentis USA has its headquarters in Columbia, Maryland in a 45,000 sq. ft. facility. The ISO 9001:2015 certified company designs, builds, integrates and provides round the clock support for voice communications systems, ATC legal voice recorders, and information systems for the FAA, NASA, the Department of Defense, and state and local government Public Safety organizations.


Frequentis, headquartered in Vienna, is a global supplier of communication and information systems for control centers with safety-critical tasks. Such 'control center solutions' are developed and marketed by Frequentis in the business sectors Air Traffic Management (civil and military air traffic control, air defense) and Public Safety & Transport (police, fire brigade, ambulance services, shipping, railways). As a global player, Frequentis operates a worldwide network of branches, subsidiaries, and local representatives in more than 50 countries. Products and solutions from Frequentis can be found in over 40,000 operator working positions and in more than 150 countries.

Founded in 1947, Frequentis considers itself to be the global market leader in voice communication systems for air traffic control with a market share of around 30%. In addition, the Frequentis Group's AIM (aeronautical information management) and AMHS (aeronautical message handling) systems, as well as GSM-R dispatcher working positions for Public Transport are industry leading solutions.

Frequentis AG shares are traded on the Vienna and Frankfurt Stock Exchange under the ticker symbol FQT (ISIN: ATFREQUENT09). In 2020, the Frequentis Group generated revenues of EUR 299.4 million and EBIT of EUR 26.8 million. Following the transaction with L3Harris, the number of employees is around 2,100.

For more information, please visit

Brigitte Gschiegl, Director Corporate Communications, Frequentis AG,, +43 1 81150-1301

Stefan Marin, Head of Investor Relations, Frequentis AG,, +43 1 81150-1074


Emitter: Frequentis AG
Innovationsstraße 1
1100 Wien
Contact Person: Stefan Marin
Phone: +431811501074
Stock Exchange(s): Vienna Stock Exchange (Official Trade)
Other Stock Exchanges: Regulierter Markt in Frankfurt