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Shaoxing ZKTel Equipment Co.,Ltd

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What’s the difference between singlemode SFP and multimode SFP?

- Jan 28, 2019 -

There are three main differences between singlemode SFP (SMF SFP) and multimode SFP (MMF SFP). The first one is the fiber cable used with them. Singlemode fiber has a smaller core than multimode fiber, and it allows unlimited bandwidth and lower loss. While multimode fiber can propagate multiple modes of light. The second one is the transmission distance. Singlemode SFP transceiver is often used in long-run links up to 120km, but multimode SFP module is used in short applications. The last one is the cost. Singlemode SFP is more expensive than multimode SFP due to the use of different light emitting unit.

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