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Rohde und Schwarz HF BLOS for Norway

HF Transmitter Assembly [© Rohde & Schwarz]

Rohde und Schwarz HF (High Frequency) BLOS (Beyond Line Of Sight) communications make vast Norwegian landscape accessible.


Press Release, Oslo, 23 March 2023: Demand is high for reliable high frequency (HF) communications in Norway. HF is essential because of the country’s fjords and mountainous terrain. Satellite communications are not a reliable alternative, since the country is so far north.

The Norwegian Defence Materiel Agency (Forsvarsmateriell) needed high performance, reliable and secure communications equipment. So, the agency awarded Rohde & Schwarz Norge AS a contract to supply new HF radio equipment for approx. 20 locations nationwide. The contract includes the new generation of liquid-cooled R&S SK4110 HF high-power transmitters.

Liquid cooled HF high-power transmitter [© Rohde & Schwarz]

The contract is part of the ‘Kampnær IKT til Forsvaret‘ Mime programme. 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 Defence Force (Cyberforsvaret).

“The Norwegian Armed Forces communications infrastructure is currently being renewed as part of the Mime programme,” Cathrine Devold, programme director Mime/MAST Forsvarsmateriell, said. “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,” says Jørgen Inge Olsen, senior engineer, Cyberforsvaret CCR G6.

“The Norwegian government choosing us as suppliers for HF BLOS communications equipment is significant,” says 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 minimises 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 programme.


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