This SAE Standard specifies system requirements for an on-board vehicle-to-vehicle (V2V) safety communications system for light vehicles and public safety vehicles

2x, including standards profiles, functional requirements, and performance requirements. The system is capable of transmitting and receiving the SAE J2735-defined basic safety message (BSM) over a PC5 Sidelink V2X (mode 4) communications link as defined in ETSI Release 14

2x. The system uses Institute of Electrical and Electronics Engineers (IEEE) 1609 standards for network and transport layer communciations, as well as security.