Reduce time to market with our custom RF filter-design service

Acal BFi's custom RF filter-design service delegates the form, fit and functional design responsibility to our experienced engineers and supplier partnerships, allowing you to get on with the rest of your project.

Designing to your requirements

Acal BFi work with your engineers to understand which filter technology best fits your needs, providing you with a bespoke filter solution that is perfectly tuned for use in your end application.

Monoblock filters can be optimised for specific applications, opening the way for customising product development. We have been working with suppliers at the forefront of developments in this area from the very beginning, providing you with the largest selection of off-the-shelf Monoblock filters in the industry.

Select a filter that closely matches your needs from our standard product range and contact us with the specific specification changes required to optimise your system performance. We will customise that filter to your specific performance requirements and have samples delivered within four to six weeks.

Working with Acal BFi

Our RF development teams draw on our experience and expertise as a European leader in advanced technology solutions, with more than 25 years' experience in supporting custom RF filter solutions for a diverse range of applications – from consumer tracking to high-performance military radar solutions.


  • Shorter development cycles – first-article samples are generally available typically within a four-to-six week lead time.
  • Wide range of filter technologies – sourced from industry-leading partners.
  • Wide range of packaging – ensuring the most cost-effective filter design for the end environment.
  • Lower total cost of ownership – your custom filter solution is supplied complete, tested, certified and ready to install in your system, reducing assembly time and stock-control problems.
  • State-of-the art logistics – including just-in-time, Kan-ban, ship-to-line and buffer-stocking to agreed levels to support your inventory and cash-flow.
  • Reliability – all designs are manufactured in facilities accredited with ISO9001and fully tested to pre-agreed parameters, giving you complete confidence.


Our proven track record

Acal BFi work with a number of blue-chip clients, including a global leader of telecoms infrastructure. We helped this client identify the filtering needs of their system and developed a variety of custom-filter solutions which are now successfully deployed today across the globe.

Our expertise in custom-filter development for a wide range of applications gives you the peace of mind that you will get the best possible solution for your needs.

Watch our video of our custom services centre.


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