Explain wavelength and frequency the downstream information

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Reference no: EM13138707

Wavelength and Frequency
The downstream information (from the network to the customer) is transmitted at a wavelength of 1550 nanometers and the upstream information (from the customer to the network) is transmitted at a wavelength of 1310 nanometers. What is the separation in frequency between 1550 and 1310 nanometers?

Reference no: EM13138707

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