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Bluetooth is wireless, inexpensive, and automatic way to communicate between various electronic devices e.g. mouse, desktop, PDA, printer, keyboard etc. Communicates effectively within the range of 10 meters, without interference at a frequency of 2.45 GHz |
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Global positioning system is a worldwide radio navigator formed from a constellation of 24 satellites & their ground stations, giving every m2 on earth a unique address. GPS is finding its way into cars, boats, planes, construction equipments, movie making gear, farm machines and laptop computers. |
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Contact memory (also called button or touch memory) is a non-volatile memory chip, typically encased in metal that can store significant amounts of data. A contact reader is used to write to, or read from, the tags. Contact memory allows data to be stored where it's needed and can travel with an item. Readers can collect this data and upload it to a host.
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It reads and decodes a barcode using different technologies eg barcode wands, laser scanners, CCD readers and camera based readers. |
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