write about satellite, and optical fibre
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Satellite communication uses electromagnetic waves as a medium for propagation. Optical communication uses the light rays as a medium of propagation. In satellite communication, satellites as a relay station are used for communication. In optical communication, communication happens via optical fiber.
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Satellite communication uses electromagnetic waves as a medium for propagation. Optical communication uses the light rays as a medium of propagation. In satellite communication, satellites as a relay station are used for communication. In optical communication, communication happens via optical fiber.
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