DWDM-SFP-3190-RF — Cisco SFP

The DWDM-SFP-3190-RF is a certified reconditioned Cisco DWDM SFP transceiver (RF suffix), designed for long-distance links over single-mode fiber. No wavelength in nm is listed in the specifications; the module operates on a dedicated channel of the DWDM grid. The SFP form factor ensures direct insertion into compatible ports on Cisco equipment.

This recertified reference allows network teams to extend the optical capacity of their DWDM links at reduced cost, without sacrificing compatibility with the Cisco ecosystem. It is particularly well-suited to network extensions and planned upgrade projects. Certified Cisco refurbished module, manufacturer warranty.