ISO/IEC/IEEE 8802-15-4-2018 信息技术--系统之间的电信和信息交换--本地和都市地区网络--具体要求--第15-4部分:无线介质访问控制(MAC)和物理层(PHY)规范、用于低速率无线个人区域网络(WPANs) Information technology — Telecommunications and information exchange between systems — Local and metropolitan area networks

This standard defines the physical layer (PHY) and medium access control (MAC) sublayer specifications for low-data-rate wireless connectivity with fixed, portable, and moving devices with no battery or very limited battery consumption requirements. In addition, the standard provides modes that allow for precision ranging. PHYs are defined for devices operating various license-free bands in a variety of geographic regions.nd edition 2018-03 Information technology — Telecommunications and information exchange between systems — Local and metropolitan area networks — Specific requirements — Part 15-4: Wireless medium access control (MAC) and physical layer (PHY) specifications for low-rate wireless personal area networks (WPANs) Technologies de l'information — Télécommunications et échange d'information entre systèmes — Réseaux locaux et métropolitains — Exigences spécifiques — Partie 15-4: Spécifications du c