Data networks Penstone Communications only supplies and installs the very best quality products and network cabling solutions, and works closely with experienced, highly-trained installers. This, combined with our experience gained from working with end-users, consultants and M & E contractors, means that Penstone are the best choice for any business seeking the right system for their data network needs. Hellermann Tyton data products Hellermann Tyton are so confident in their products that they offer a 25 year warranty to their network sciences trained installer. So if they are this confident in their products, you know you’ve made a wise choice. They offer a range of products which we can supply and install, ensuring that your business will benefit from a top of the range network solution.         Voice modules Face plates Lockable modules                 RapidNet  Fibre products            Category 5E Megaband