Refurb Squared
1 x 5 Band DWDM Mux Demux, 100GHz C21-C60, 2.2dB Typical IL, LC/UPC, Dual Fiber, High Density, FHD™ Plug-in Module
1 x 5 Band DWDM Mux Demux, 100GHz C21-C60, 2.2dB Typical IL, LC/UPC, Dual Fiber, High Density, FHD™ Plug-in Module
ISO 14001:2015
ISO 45001:2018
ISO 9001:2015
The 1x 5 Band DWDM Mux/Demux, based on TFF (Thin Film Filter), is a passive DWDM device featuring high density, low loss, and long-haul transmission suitability. This unit can be used as either a multiplexer or de-multiplexer (Mux/Demux), it separates or combines 8 DWDM channels per band, supporting up to 5 bands over a single-mode optical fiber for high-density wavelength management in space-constrained fiber environments. In accordance with the ITU-T G.694.1, it maximizes the capacity of the C-band range. Designed for maximum configuration flexibility, the DWDM Mux Demux can plug directly into the FHD® chassis, each module occupying one slot.
Enterprise Grade Performance
Enterprise Grade Performance
Our networking cables and optical transceivers are designed for high-performance enterprise networks. They support fast data transmission, stable connectivity, and consistent signal strength across switches, servers, and routers.
Wide Device Compatibility
Wide Device Compatibility
These modules are engineered to work with many leading networking brands such as Cisco, Juniper, Arista, and other enterprise systems. They integrate easily into existing network infrastructure.
Simple Plug And Play Setup
Simple Plug And Play Setup
Installation is quick and easy. Simply insert the cable or transceiver into the compatible port and it begins operating immediately without complicated configuration.
Reliable Connection Stability
Tested And Verified Products
Affordable Enterprise Pricing

Competitive Pricing
Refurb Squared networking hardware delivers high-speed connectivity using tested optical modules and enterprise-grade cables built for reliability and seamless device compatibility.
Built For Reliable Networking
At Refurb Squared we provide high-quality networking hardware trusted by engineers and IT professionals. Our mission is to deliver reliable technology at affordable prices.





