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Dear Shaw:

We can't predict the actual wavelength, it has to be vary between some figures,i have just given some nearest idea.

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Posted by sagitraz

Incorrect, 4 to 80 wavelengths can be placed.

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Posted by shaw

Yes you can be placed with 20-80 wavelengths in fiber using DWDM

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Posted by HamidAliKhan

ofcourse by using ultra dwdm.

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Posted by Hash007

Ultra-DWDM basically reduces the spacing required between wavelengths, providing significantly greater wavelength capacity in the Band so it is possible using 65 wavelengths in fiber.

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Posted by sagitraz

The answer is Yes.
The technique is called Ultra DWDM.

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Posted by waqqas1