• slide
  • slide
  • slide
  • slide

4Links has a long history in the technology that is SpaceWire

4Links produce high quality SpaceWire related test and measurement equipment for ground use and create fast and reliable board & IP solutions for ground and in-flight use.

4Links has a long working relationships with ESA, NASA and JAXA and with many international Prime and small commercial companies, to all our customers we say thank you for your support over the last 18 years and with a new prospective on our business we look forward to working with you on the next productive 18 years.
Welcome to our new website, please have a look around, we are rather pleased with it, we will be adding more features over the next months including information videos and downloads, but in the meantime, we would appreciate your comments on what we have today, please email info@4links.co.uk


Updated 10.1.2019

Meet with 4Links

If you are a company based in the USA interested in 4Links products, Dennis will be in the States from 22nd July until SmallSat 3rd -9th August. Please contact info@4links.co.uk to arrange a meeting with Dennis in July!

Open Source SpaceWire Codec

4Links have removed their patents on SpaceWire oversampling and opensourced its base level Codec. The Codec is written in VHDL and supplied with example simulation and synthesis scripts. For further information please download the datasheet, or contact 4Links at info@4links.co.uk


4Links Exhibits at SmallSat

We are exhibiting at SmallSat in Logan, UT, USA August 3rd - 9th 2019. Do come and visit us there! 



Our test equipment in a PXIe board to integrate in your system or as a standalone portable unit on your desk in a 3U unit for easy programming.

See more details here >>


Our test equipment in the classic 1U unit for your 19” rack.

See more details here >>


Our cables can be made to any size from 0.5 meter  with Backshell or DrainWire terminations

See more details here >>