The QSFPTEK 8ch DWDM MUX DEMUX ( www.qsfptek.com/product/10054...) is designed with wavelengths spanning from C21 to C28. This device is completely passive and can be easily plugged into a 1U rack mount. Its insertion loss is 2.4dB. When connected with DWDM amplifiers and DCM equipment, the 8ch DWDM transmission system can support long-distance transmission.
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