Draft Version 1.1.1Electromagnetic compatibility and Radio spectrum Matters (ERM); VHF air-ground Data Link (VDL) Mode 4 radio equipment; Technical characteristics and methods of measurement for ground-based equipment; Part 2: Data link layer
This EN will cover VHF aeronautical radio equipment operating at 25 kHz channel spacing in the aeronautical band 118-136.975MHz. It covers ground-based, fixed data communication, VHF Data Link (VDL) mode 4. Reference documents: EUROCAE WG51 vdl MODE 4 MOPS ICAO SARPS on VDL mode 4
Draft Version 1.1.1Electromagnetic compatibility and Radio spectrum Matters (ERM); VHF air-ground Data Link (VDL) Mode 4 radio equipment; Technical characteristics and methods of measurement for ground-based equipment; Part 2: Data link layer
Digital cellular telecommunications system (Phase 2) (GSM); Full rate speech; Part 6: Voice Activity Detection (VAD) for full rate speech traffic channels (GSM 06.32 version 4.3.1)