DWDM-SFP-3504-RF — Cisco SFP

The DWDM-SFP-3504-RF is a Cisco SFP-form-factor module for DWDM transmission over single-mode fiber. The RF suffix designates a Cisco Refreshed product, recertified to Cisco standards and backed by a manufacturer warranty. This transceiver operates on a dedicated channel of the ITU-T grid; the available specifications do not provide a wavelength value in nm for this SKU, and the exact wavelength must be confirmed in the official Cisco documentation.

This Cisco RF DWDM SFP module represents a cost-effective option for projects extending or partially renewing DWDM links on Cisco equipment. The part number DWDM-SFP-3504-RF clearly distinguishes it from new or Spare variants in the product line. Genuine Cisco Refreshed hardware, manufacturer warranty.