
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Technical Specification Group working methods (3GPP TR 21.900 version 15.1.1 Release 15)
STANDARD published on 9.11.2018
Designation standards: ETSI TR 121900-V15.1.1
Publication date standards: 9.11.2018
The number of pages: 44
Approximate weight : 132 g (0.29 lbs)
Country: European technical standard
Category: Technical standards ETSI