Always Secured and Up to Date
Our software-defined solutions assures that the new features and capabilities can be upgraded during the entire product lifecycle. This also means protecting the products from cyber and EW threats. We want to keep you at the forefront of development.

Why choose KNL?
When communication failure isn’t an option, you need technology that delivers without compromise. At KNL we’ve re-imagined HF radio systems from the ground up — trusted by defence forces and engineered for mission-critical performance in the toughest environments.
Cutting-Edge HF Radio Solutions
Our CNHF products are a new era of HF radios. They are fully digital transceivers capable of spectrum estimation and optimising their own operation according to the signal environment and traffic at hand. The CNHF radios are software defined radios making remote configurations and updates possible.
Long-range communications with the highest performance, security and reliability
For governments, defence and security, CNHF offers long-range communications with the highest performance, security and reliability. With our radio system, the user can establish their own independent communication network ranging from a few kilometres to thousands of kilometres.
News and Events

Blog
Beyond-line-of-sight communications meets tactical networks: KNL and Bittium launch new seamless IP-based integration

News
KNL and Bittium start collaboration to unite HF and VHF/UHF for seamless long-range communications

What does KNL do?
KNL provides long-range connectivity with unparalleled performance keeping you in action. No matter where you are located. Our cutting-edge HF radio solutions adapt to the needs and requirements of modern military and security operations with fast and reliable data links in any operating environment. Read more here.
What products does KNL offer?
KNL provides advanced beyond-line-of-sight communication solutions for demanding defence and security environments. Built on our proprietary Cognitive Networked HF (CNHF) technology, our radios deliver secure and reliable connectivity even in contested conditions. Designed for seamless integration into wider communication architectures, our solutions strengthen overall system performance and resilience. See our products.
Where does KNL operate?
KNL operates globally in the field of defence and security. Whether you are in the hottest desert or in the coldest arctic, we provide you with a long-range connectivity that keeps you in action and connected. Read more here.
Where is KNL headquartered?
KNL is a Finnish defence technology company headquartered in Oulu, Finland. You can find our contact information here.
When was KNL established?
KNL was established in 2011 to build a safer, connected world. When KNL was established, the first company name was Kyynel and it was a tribute to the radio that was one of the Finnish innovations in World War II. Read more here.
What is the ownership of KNL?
KNL was acquired by Telenor Maritime Oy in 2020 and initially integrated into Telenor Maritime AS, where the maritime communications business was the primary focus. In early 2023, it was strategically carved out as a standalone business unit to better serve global defence customers with dedicated connectivity solutions. Read more here.
What does KNL stand for?
When KNL was established, the first company name was Kyynel and it was a tribute to the radio that was one of the Finnish innovations in World War II. The original Kyynelradio used similar technology as we do in our radios. The Finnish word in the radio’s name means “teardrop”, and KNL is an abbreviation of that word. Read more here.
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References
”We haven’t seen this superior HF system performance ever before.”
Read more what customers say about our products.

