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   <video:description>Industrial Grade 4CH Compact CWDM MUX CCWDM Multiplexer, High Reliability for Fiber Optic Links 1. Low Insertion Loss, Ensuring Efficient Signal Transmission The Industrial Grade 4CH Compact CWDM MUX (Industrial-Grade 4-Channel Compact CWDM Multiplexer) excels in controlling signal transmission loss, with a typical insertion loss as low as 0.8dB. Low insertion loss means that when signals pass through the multiplexer, the amplitude of energy attenuation is extremely small,</video:description>
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