NF ETS 300234

Transmission and Multiplexing (TM). High capacity digital radio-relay systems carrying 1 x STM-1 signals and operating in frequency bands with about 30 MHz channel spacing and alternated arrangements.

Le présent document spécifie les paramètres des faisceaux hertziens numériques ayant une capacité par canal d''un module d''ordre 1 de transport synchrone (1 x STM-1),STM-1), et destinés à fonctionner dans des bandes de fréquences définies jusqu''à 15 GHz et avec un espacement entre canaux adjacents en polarisations croisées d''environ 30 MHz.

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