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* ZigBee is one of the newest
technologies enabling Wireless Personal Area Networks (WPAN).
* ZigBee is an established set of
specifications for wireless personal area networking (WPAN), i.e. digital radio
connections between computers and related devices.
* WPAN Low Rate or ZigBee
provides specifications for devices that have low data rates, consume very low
power and are thus characterized by long battery life. ZigBee makes possible
completely networked homes where all devices are able to communicate and be controlled
by a single unit.
* The IEEE 802.15.4 standard and
Zigbee wireless technology are designed to satisfy the market's need for a
low-cost, standard-based and flexible wireless network technology, which offers
low power consumption, reliability, interoperability and security for control and
monitoring applications with low to moderate data rates.
* The data which gets transmitted
includes temperature reading on or off state of a switch keystroke of a
keyboard etc.
* The Bluetooth technology which
is used in mobile phones, laptops, runs on zigbee. Zigbee is an IEEE 802.15.4
standard. Zigbee operates in a frequency range 900MHz- 2.5 GHz.
* The technology can be used for
transmitting the data within the range of 20mts.
* It can also be used for
transmission of data within a range greater than 20mts. This is possible
through the intermediate nodes.
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