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Hacking Wireless Networks

  • Broadband - What Is Not A Hot Spot?
    Wi-fi technology is popping up all over the place - literally. From airports to cafes in city centres, you can bet someone will have their laptop, palmtop or mobile with them, surfing the net while sipping at their cappuccinos. But it's not only in public places that wi-fi comes in handy, some users set up wireless networks in their own home, using broadband providers on the host computer. Wi-fi technology has allowed for computers to connect an Read More...
  • Wireless Networks: How Do They Work?
    Wireless networks use radio waves instead of wires to transmit data between computers. Here's how: The Binary Code: 1s and 0s It's well known that computers transmit information digitally, using binary code: ones and zeros. This translates well to radio waves, since those 1s and 0s can be represented by different kinds of beeps. These beeps are so fast that they're outside the hearing range of humans. Morse Code: Dots And Dashes It works like Read More...
  • Cellular Networks
    To efficiently reuse wireless spectrum, wireless network are divided into cells. In general a cell is a hexagon in shape. Based on the radius of the cells, there are three types of cellular networks, including (1) macrocells, (2) microcells, and (3) picocells. Macrocellar wireless network A macrocell can cover a large area with a radius ranging from 1 to 10 km. a distinction can be further made to for large macrocells and small macrocells. A la Read More...
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