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NFC and RFID in IoT

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RFID (radio-frequency identification) and NFC (near-field communication) provide simple, lowenergy, and versatile options for identity and access tokens, connection bootstrapping, and payments. 

 RFID technology employs 2-way radio transmitter-receivers to identify and track tags associated with objects.

  NFC consists of communication protocols for electronic devices, typically a mobile device and a standard device. 

Low-Energy Bluetooth 

This technology supports the low-power, long-use need of IoT function while exploiting a standard technology with native support across systems. Low-Energy Wireless This technology replaces the most power hungry aspect of an IoT system. Though sensors and other elements can power down over long periods, communication links (i.e., wireless) must remain in listening mode. 

Low-energy wireless

not only reduces consumption, but also extends the life of the device through less use

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