We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
Digital cellular telecommunications system (Phase 2+) (GSM); 3G Security; Specification of the A5/4 Encryption Algorithms for GSM and ECSD, and the GEA4 Encryption Algorithm for GPRS (3GPP TS 55.226 version 15.0.0 Release 15)
Translate name
STANDARD published on 12.11.2018
Designation standards: ETSI TS 155226-V15.0.0
Publication date standards: 12.11.2018
SKU: NS-904673
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: European technical standard
Category: Technical standards ETSI
Latest update: 2025-10-20 (Number of items: 2 239 217)
© Copyright 2025 NORMSERVIS s.r.o.