ETSI EN 301 127

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ETSI EN 301 127 English PDF Fixed Radio Systems; Point-to-point equipment; High capacity digital radio systems carrying SDH signals (up to 2 x STM-1) in frequency bands with about 30 MHz channel spacing and using Co-polar arrangements or Co-Channel Dual Polarized (CCDP) operation

standard published 10/01/2001 by European Telecommunications Standards Institute

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Addition of a category with relaxed spectrum mask, suitable for systems which are not intended for large multichannel trunk systems, and are without compatibility constrain with other manufacturer systems under the same branching/antenna system. XPIC operation for frequency reuse will be considered an optional, non compulsory feature. The technical specifications will be derived from the merging of the present systems and of category 5b systems in EN 300 430 V1.2.1