Rohde & Schwarz say that it is providing communications systems for both batches of River class ships.

Rohde & Schwarz’s software defined radios (SDR) are designed for shipborne communications and, the company say, feature a modular design, a high degree of flexibility and the latest technologies.

“Standards-based and proprietary waveforms make secure voice and data communications in the HF and VHF/UHF frequency ranges possible. The Rohde & Schwarz M3SR Series 4100 HF radios are versatile SDRs that belong to the popular SOVERON radio family, designed for use in permanently connected deployment in beyond-line-of-sight (BLOS) communications. They are installed in racks within a ship’s radio room or at a shore station, where they cover long-haul ship-to-ship and ship-to-shore communications.

They support frequency hopping and provide interoperability with tactical radios in HF operating modes. The Rohde & Schwarz M3SR Series 4400 VHF/UHF radios offer military customers LOS communications with a flexible range of applications, NATO and proprietary EPM (ECCM) waveforms. Military data transmission methods such as LINK 11 and LINK 22 are supported.”

“We are very proud of our work for the U.K. and that we help to provide a safe, future-ready investment for the Royal Navy,” said Hansjörg Herrbold, Vice President Market Segment Navy, Rohde & Schwarz.

“Trusted by customers and with a reliability built over decades, Rohde & Schwarz stands for highest standard, demonstrating value for money and again that we are able to bring support locally and act globally. The SOVERON family saves on logistics effort and reduces operating costs. In particular, the costs of warehousing spare parts and of maintenance are reduced tremendously, due to the increased reliability of our products.”

Rohde & Schwarz say they are also providing communications systems to the Royal Navy’s Queen Elizabeth Class Aircraft Carriers, the Royal Fleet Auxiliary Bay Class Vessels, and the Type 26 Frigate.

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Well that’s good the RN/ RFA will be able to talk to each other in HF and VHF/UHF frequency ranges then. I thought they still used signal lamps!. Oh they still do..oops ? only in radio silence I understand thank god!


Yeah but radio silence is only when the ‘Archers’ is on!


No doubt lol

Douglas Newell

I believe they stopped using signal lamps a few years back. After all a simple laser system can be used for high speed line of sight communications

Sam Plew

I just have to say how very disturbing it is that the river class is about as naked as a canoe with a spear. One would be very challenged to hold of a gaggle of Somali pirates with it’s handful of popguns.
The Israeli Sa’ar 5 class while slightly shorter and of less displacement carries 64 Barak 8’s in vls tubes and 8 harpoons as well. And supposedly a 76 mm gun may or may not be there. But the mighty river class has a single 30mm pop gun.