Norway Receives Liquid-Cooled HF High-Power Transmitters

This beyond line of sight communication capability will be used by the Royal Norwegian Navy for command-and-control missions By DA Staff / 24 Mar 2023
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Rohde & Schwarz will supply liquid-cooled HF high-power transmitters to the Norwegian Defence Materiel Agency (Forsvarsmateriell) to enable reliable and secure Beyond Line Of Sight (BLOS) communications in difficult terrain.

High Frequency (HF) communications is essential for Norway due to the country’s fjords and mountainous terrain. Satellite communications are not a reliable alternative, since the country is so far north.

Rohde & Schwarz Norge AS will supply new HF radio equipment for approximately 20 locations nationwide, including the new generation of liquid-cooled R&S SK4110 HF high-power transmitters.

The contract is part of the ‘Kampnær IKT til Forsvaret’ Mime program. Forsvarsmateriell had already acquired Rohde & Schwarz HF radio receivers for the same network in the past. The Royal Norwegian Navy mainly uses this BLOS communications equipment for command and control. The network is operated by the Norwegian Cyber Defense Force (Cyberforsvaret).

“The Norwegian Armed Forces communications infrastructure is currently being renewed as part of the Mime program,” said Cathrine Devold, program director Mime/MAST Forsvarsmateriell. “This contract gives us quick access to modern radios to be deployed as early as 2023.”

“The acquisition ensures a uniform and future-oriented radio structure, for modern services and robust, long-range coverage for naval vessels and other units in the entire area of interest,” said Jørgen Inge Olsen, senior engineer, Cyberforsvaret CCR G6.

“The Norwegian government choosing us as suppliers for HF BLOS communications equipment is significant,” said Ove Ladegård, CEO of Rohde & Schwarz Norge AS. “The revolutionary R&S SK4110 HF high-power transmitter with 10 kW output power and HF wideband capability from Rohde & Schwarz meets advanced long-range BLOS communications requirements with very high data rates and maximum reliability. An innovative cooling concept minimizes operating costs and makes the transmitter a future-proof investment. The contract for a new HF structure will ensure a modern, future-oriented and reliable radio communications network that can be integrated into the rest of the communications infrastructure.”

The transmitters are extremely reliable with best-in-class availability, low total cost of ownership and unsurpassed performance thanks to R&S M3SR Series4100 software defined radios. They are ready to establish automatic links and handle the IP traffic that will be introduced later in the Mime program.

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