Lifecycle support through service level agreements
High availability 5kW HF high-power transmitters
![](https://cdn.rohde-schwarz.com/image/video/market-segments/critical-infrastructures/air-traffic-control/hf-transmitter-application-video-rohde-schwarz_200_60112_320_180_6.jpg)
Shortwave communications are essential for radio coverage on beyond-line-of-sight links over oceans and uninhabited areas. The R&S®Series4100 radio adds long-range coverage to the Certium ecosystem for a high-quality integrated ATC solution.
The R&S®SK4105 HF high power transmitter meets the requirements for advanced long-range communication combined with high reliability.