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Portable Network Graphic  |  2008-10-02  |  113KB  |  817x1045  |  8-bit (256 colors)
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OCR: 324 SECTION c CHAPTER 6 Daily plans for 24 hours of access run $4 to $10. Monthly unlimited access costs about the same as basic cell phone service Can use hotspots for mobile Internet access? Although Wi-Fi is popular for portable Internet access, t does not typically provide accept- able mobile Internet access because you can only remain connected within range of the network's hotspot. The current model for using most Wi-Fi ihotspots 18 that you enter the area of coverage find a location with strong signal, and remain there while accessing the Internet. Wi-Fi handoffs from one Wi-Fi network to another are clumsy and prone packet loss which unacceptable for Voice over IF or streaming video applications. Although the IEEE has been working on standards for mobile Wi-Fi (sometimes called Mob ...