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The Gigalight LGX box CWDM (Coarse Wavelength Division Multiplexing) MUX/DEMUX (Multiplexer/Demultiplexer) is a multi-channel CWDM device with metal LGX box package designed for cost-effective multi-wavelength CWDM network applications. It is based on the Thin Film Filter (TFF) technology and operates at 20nm channel spacing ITU Grid CWDM wavelengths from 1270nm to 1610nm. Gigalight provides a series of customized LGX box CWDM MUX/DEMUX devices to meet different requirements on port configuration (2 to 18 channels, 1310nm/upgrade/monitoring ports available), operating wavelength, package type, fiber type, fiber length, input connector, and output connector.


  • Low Insertion Loss (IL)
  • High isolation
  • Low Polarization Dependent Loss (PDL)
  • Available in 2 to 18 channels with compact design
  • Good channel-to-channel uniformity
  • Wide operating wavelength range
  • High reliability and high stability
  • Telcordia GR-1209-CORE-2001 compliant
  • Telcordia GR-1221-CORE-1999 compliant
  • ITU-T G.694.1 compliant
  • RoHS-6 compliant (lead free)


  • Broadband Networks
  • Metro Networks
  • CATV Systems

Ordering Information

Product Description Product Number
CWDM MUX/DEMUX, 2CH, Standard LGX Box GWM-02QxxxLX
CWDM MUX/DEMUX, 4CH, Standard LGX Box GWM-04QxxxLX
CWDM MUX/DEMUX, 8CH, Standard LGX Box GWM-08QxxxLX
CWDM MUX/DEMUX, 12CH, 2 in 1 LGX Box GWM-12Qxxx21
CWDM MUX/DEMUX, 16CH, 2 in 1 LGX Box GWM-16Qxxx21
CWDM MUX/DEMUX, 18CH, 4 in 1 LGX Box GWM-18Qx2741

Note: The port configuration, initial wavelength, fiber type, fiber length, input connector, and output connector can be customized. For details, please contact us. Email:

download attachments : CWDM MUX DEMUX 【Preview】