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ETSI EN 300 430

M00001103

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ETSI EN 300 430 Fixed Radio Systems; Point-to-point equipment; Parameters for radio systems for the transmission of STM-1 digital signals operating in the 18 GHz frequency band with channel spacing of 55 MHz and 27,5 MHz

standard by European Telecommunications Standards Institute, 07/01/2002

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The present document specifies parameters for high capacity STM-1 digital radio-relay systems designed to operate inthe 17,7 GHz to 19,7 GHz band. The channel spacing between adjacent co-polar channels shall be 55 MHz or27,5 MHz. Operation in the Adjacent Channel Co-Polarization (ACCP) mode for class 4 systems and class 5 systems asdefined below with orthogonal polarizations or in the alternated cross-polar mode is foreseen. Additionally for class4 systems, operation in the Co-Channel Dual Polarized (CCDP) mode with orthogonal polarization is also foreseen. Thepresent document covers both single and multi-channel systems.