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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 Z83-549 ; NF ETS 300549:1997-07-01
Digital cellular telecommunications system (Phase 2). Unstructured Supplementary Service Data (USSD). Stage 2 (GSM 03.90)

Title (German)

ZELLULARES DIGITALES FUNKKOMMUNIKATIONSSYSTEM (PHASE 2). UNSTRUKTURIERTE ZUSATZDIENSTE DATEN. STUFE 2 (GSM 03.90)

Edition 1997-07-01

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 Z83-549 ; NF ETS 300549:1997-07-01 Digital cellular telecommunications system (Phase 2). Unstructured Supplementary Service Data (USSD). Stage 2 (GSM 03.90)

Want to learn more?

NF Z83-549 ; NF ETS 300549:1997-07-01
Digital cellular telecommunications system (Phase 2). Unstructured Supplementary Service Data (USSD). Stage 2 (GSM 03.90)