Passive and active signal conditioning specialists

Our engineering team are industry experts in designing high performance filters, combiners, and amplifiers that deliver world-class performance and reliability.

Passive & active RF solutions

Filtronic has a long history in the design and manufacture of leading-edge coverage enhancement products for the wireless industry. We are a key supplier of advanced high performance RF communications products to the telecommunications infrastructure and critical communications markets. Our products are used in wireless communication equipment, point-to-point communication systems and adjacent aerospace and defence sectors.

In band combiners

Using unique patented designs, Filtronic products provide very narrow guard band, low insertion loss and high isolation to minimize the total effect on the combined signals and to preserve valuable spectrum.
  • Transmission of two or more RF signals through a single antenna
  • Standard and custom in-band combiners for different frequency bands
  • Minimal RF insertion loss over all frequency bands
Find out more


Filtronic re-shores manufacturing of critical communications product from China to USA

23 June 2021

South Korea’s mmWave experts join forces with Filtronic

22 June 2021

Globes Elektronik joins the team

9 June 2021

Filtronic wins 2021 Queen’s Award for Enterprise

29 April 2021