Kaelus
TelecommunicationsStockholm, Sweden51-200 Employees
Kaelus is a telecommunications equipment provider focused on antenna systems, RF conditioning, and PIM testing for 5G networks and beyond. Based in Täby in the Stockholm region, the company traces its origins to 2010 when four legacy filtering-technology firms merged, and it has operated under the Kaelus name since January 2021. Its portfolio emphasizes delivering high PIM performance and solutions tailored to customer needs. The customer base comprises wireless operators and infrastructure partners seeking dependable deployments and precise RF measurement to improve network performance. In 2025 Kaelus was named a finalist in the CommsDay Edison Awards for its Icefish Antenna, illustrating industry recognition.