CALM M5 is the ISO 21215 standard that incorporates WAVE (WAVE PHY/MAC is IEEE 802.11p standard) and adds the following features:

• Global (European) 5GHz spectrum

• Regulatory domain (border) management

• Directivity and EMC control

• Regional DSRC cooperation

• Multiple radios/interfaces/antenna management through network connection

• GPRS/UMTS/+++ network interconnectivity

See also

• IEEE 802.11p

References

• Status of Project IEEE 802.11p

• Bob Williams, Intelligent Transport Systems Standards, p.221, Artech House, 2008 .

• Piyushimita (Vonu) Thakuriah, D. Glenn Geers, Transportation and Information: Trends in Technology and Policy, p.24, Springer, 2013 .