ANT

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ANT is a wireless protocol for exchanging data over short distances from fixed and mobile devices, creating personal area networks.
ANT is an ultra low power protocol that is able to operate off of small batteries, such as coin cells.
ANT peripherals typically operate in a broadcast mode that can be received from multiple handsets or displays simultaneously.
ANT (built on the base ANT protocol) defines standardized device profiles that specify data formats, channel parameters and network keys. A profile defines a specific use case, or data set. The most common ANT profile is heart rate (HR), and is used by many heart rate monitors in the market today.
Other examples of ANT profiles include: Bicycle Speed