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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

NF Z85-639 ; NF ETS 300639:1998-08-01
Transmission and multiplexing (TM). Sub-STM1 digital radio relay systems (DRRS) operating in the 13 GHz, 15 GHz and 18 GHz frequency bands with about 28 MHz co-polar and 14 MHz cross-polar channel spacing

Title (German)

UEBERTRAGUNGS- UND MULTIPLEXTECHNIK. DIGITALRICHSTRAHLEN (DRRS) UNTER STM1, DIE IN DEN 13 GHZ, 15 GHZ UND 18 GHZ FREQUENZBAENDERN MIT UNGEFAEHR 28 MHZ COPOLARER KANALBREITE UND 14 MHZ KONTRAPOLARER KANALBREITE ARBEITEN

Edition 1998-08-01

Original language French

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Terminology

Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

NF Z85-639 ; NF ETS 300639:1998-08-01 Transmission and multiplexing (TM). Sub-STM1 digital radio relay systems (DRRS) operating in the 13 GHz, 15 GHz and 18 GHz frequency bands with about 28 MHz co-polar and 14 MHz cross-polar channel spacing

Want to learn more?

NF Z85-639 ; NF ETS 300639:1998-08-01
Transmission and multiplexing (TM). Sub-STM1 digital radio relay systems (DRRS) operating in the 13 GHz, 15 GHz and 18 GHz frequency bands with about 28 MHz co-polar and 14 MHz cross-polar channel spacing