Scope

This Recommendation provides the technical characteristics and protection criteria for the International Civil Aviation Organization (ICAO) standardized VHF datalink (VDL) Mode 2 (VDL Mode 2) communications systems operating in the aeronautical mobile (route) service (AM(R)S) in the frequency band 136-137 MHz. These technical characteristics and protection criteria should be used for sharing and compatibility studies with VDL Mode 2 systems.