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ETSI EN 301 277
- Fixed Radio Systems; Point-to-point equipment; High capacity digital radio systems transmitting STM-4 or 4 x STM-1 in a 40 MHz radio frequency channel using Co-Channel Dual Polarized (CCDP) operation
- standard by European Telecommunications Standards Institute, 02/01/2001
- Publisher: ETSI
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To insert in the mentioned EN's resp.ETS's for P-P radio relay systems a subsection on CW components wihin the section of the spectrum mask