HART

Highway addressable remote transducer (HART) is a wireless standard
aimed at providing wireless capabilities. The wireless HART working group,
an activity of the HART Communication Foundation (HCF) had set the goal
of producing draft specifications for a wireless standard in early 2006.25
The HCF is an independent, nonprofit organization providing worldwide
support for applications of the HART protocol. The working group plans to
coordinate activities with wireless organizations, in the industry such as the
ISA SP100 Wireless Committee, to ensure continuity and uniformity with
standardization efforts. HCF member companies include major automation
suppliers and leaders: ABB, Adaptive Instruments, Elpro Technologies,
Emerson, Endress+Hauser, Honeywell, Omnex Controls, Phoenix Contact,
Siemens, Smar, and Yokogawa.

Reference : Wireless Ad Hoc Networking by Shih-Lin Wu & Yu-Chee Tseng