40G QSFP+ LR4 LC20 km, λ1271-1331 nm, Singlemode

What Customers say

• "Using FLEXBOX we have been able to deliver high quality optical adapter product range in a mixed brand environment, with the maximum flexibility in managing logistic and stock costs. It is a definitely a tool that every professional should use."

  Laert Klemo

  CTO, Eagle Security System
• "For years we struggled with hundreds of transceivers from different vendors but this is finally over! With FLEXBOX we can easily reconfigure our transceivers which in the end saves a lot of time and money."

  Marcel Wösle

  Director Infrastructure Services, Avira Operations GmbH & Co.KG
• "Your FLEXBOX rocks. On our Linux workstations we can easily change the vendor and thus save costs. In addition, we are also convinced by the product quality, the support and the handling of the order. Thank you!"

  Martin Verges

  Managing director, croit GmbH
• "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