Thursday, January 22nd, 2009 at
9:17 am
Radio Frequency Identification (RFID) is most commonly used in RFID tags that store data about an object or a person. RFID technology falls into a category of mobile devices called “unintelligent gadgets,” the thought being that RFID tags or devices contain little to no processing power. Their intent is to store data about a customer,…
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Wednesday, January 21st, 2009 at
9:08 am
Another interesting short-range wireless technology is known as infrared, or the IrDA (Infrared Data Association) standard. Infrared technology uses light waves to send and receive data. Most laptops, PDAs, printers, and a number of other mobile devices come packed with an infrared port ready for use. The trick with using infrared as a method of…
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Tuesday, January 20th, 2009 at
9:06 am
Still, Bluetooth poses a considerable security risk because users can be completely blind to what is happening to their mobile device as they travel from place to place. Stealth viruses are poised to take advantage of this new medium and behave in the same manner as airborne viruses, jumping from device to device. In the…
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Monday, January 19th, 2009 at
8:55 am
Bluetooth is a short-range wireless technology that connects electronic devices, including cell phones, printers, digital cameras, and handheld computers. Bluetooth is designed to exchange data at speeds up to 720 Kbps and at ranges up to 10 meters. The technology of Bluetooth could take the computing world by storm. Mobile users will have the ability…
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Sunday, January 18th, 2009 at
8:51 am
IEEE 802.11a Standard. IEEE 802.11a standardizes wireless devices operating at 5 GHz. “The specification for 5GHz was developed prior to the changes in 802.11b at 2.4GHz, and hence the odd numbering sequence. Bandwidth will scale from 6 to 54 Mbps. Future implementations of 100 Mbps are still being considered. 802.11a implements dynamic frequency selection, transmit…
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