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Hlavní stránka>UNE ETS 300639:1999 TRANSMISSION AND MULTIPLEXING (TM). SUB-STEM 1 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.
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sklademVydáno: 1999-10-30
UNE ETS 300639:1999 TRANSMISSION AND MULTIPLEXING (TM). SUB-STEM 1 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.

UNE ETS 300639:1999

TRANSMISSION AND MULTIPLEXING (TM). SUB-STEM 1 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.

Transmisión y Multiplexación (TM). Sistemas de Radioenlace Digital Sub-STM1 (DRRS) que operan en bandas de frecuencia de 13 GHz, 15 GHz y 18 GHz con canalización de 28 MHz con polarización copolar y 14 MHz con polarización contrapolar.

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Označení normy:UNE ETS 300639:1999
Počet stran:27
Vydáno:1999-10-30
Status:Norma
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This standard UNE ETS 300639:1999 TRANSMISSION AND MULTIPLEXING (TM). SUB-STEM 1 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. is classified in these ICS categories:

  • 33.060.30
:
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