DIN EN 302404:2004-03

Digital cellular telecommunications system (Phase 2+) - GSM Cordless Telephony System (CTS), Phase 1 - Lower Layers of the CTS Radio Interface - Stage 2 (GSM 03.52 version 8.0.1 Release 1999). (Digitales zellulares Funkkommunikationssystem (Phase 2+) - Schnurloses GSM-Telefoniesystem (CTS), Phase 1 - Untere Schichten der CTS-Funkschnittstelle - Stufe 2 (GSM 03.52 Version 8.0.1 Ausgabe 1999).)