40G QSFP+ LR420 km, λ1271-1331 nm, LC-Duplex, Singlemode

What Customers say

• "Spending a few minutes of my time, first and foremost expressing how much I’m impressed by your friendliness, is the least I can do. Friendliness was followed by super-fast order processing and delivery. In a few words, unboxing and using your Flexbox is an utterly awesome experience. As in brilliant. Also saving us loads of time ordering optics. In addition to all of this – you deliver particular good build quality, too. You’ve got me impressed, thank you!"

  Mark van den Berg

  CTO - Icera Networks
• "The FLEXBOX was easy to set up and use, and the programmable transceivers worked seamlessly in several different brand devices. This will make our spares much easier to manage."

  Shaun James

  Engineering Inspector, Tata Steel Strip Products UK
• "We will now be able to source all our SFPs from a single vendor without having to worry about the configuration. That translates to peace of mind and huge flexibility. Well done guys!"

  Gregory Agerba

  CTO, Neocarrier Communications
• "The FLEXBOX allows us to use 100MBit/s to multi-gigabit transceivers in our product for a wide range of customer needs. We can not solve them without this magic box!"

  Klaus Degner

  Managing Director, Allegro Packets GmbH