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A typical home Wi-Fi system using 802.11b or 802.11g with a stock antenna might have a range of 32 m (120 ft) indoors and 95 m (300 ft) outdoors. The proposed new IEEE 802.11n however, can exceed that range by more than double. Range also varies with frequency band. 802.11b Wi-Fi in the 2.4 GHz frequency block has slightly better range than 802.11g, or 802.11c Wi-Fi in the 5 GHz frequency block. At the present time, HotHotHotSpot! uses 802.11b because of its greater range and reliability. Although 802.11b at 11mbps is slower than 802.11g at 54mbps, it is still well in excess of what is available from the Internet Service Providers on shore. When 802.11n becomes official and suitable equipment becomes available, HotHotHotSpot! will upgrade to that standard. Range decreases with distance from the Access Point. Wi-Fi performance decreases roughly quadratically as distance increases at constant radiation levels. Outdoor range with improved antennas can be several kilometres or more with line-of-sight. In general, the maximum amount of radiated power that a Wi-Fi device can transmit is limited by local regulations, such as FCC Part 15[14] in USA Due to the complex nature of radio propagation at typical Wi-Fi frequencies, particularly the effects of signal reflection off of trees and buildings and yachts, Wi-Fi signal strength can only be predicted generally for any given area in relation to a transmitter. This effect does not apply equally to long-range Wi-Fi, since longer links typically operate from towers that broadcast above the surrounding foliage. Bandwidth Hogs Hogging the bandwidth is become the downfall over Wi-Fi as legitimate users of our paid service use so much bandwidth watching live sports games, video chat and video skype that it adversely affects other users. If a person downloads a large number of songs or movies on a regular basis, bandwidth usage may reach unacceptable levels, perhaps 100 times that of an average user, causing the connection of nearby users to suffer and even making it impossible to use. Bandwidth hogging is similar to a denial-of-service attack in that the user is taking up bandwidth that could otherwise be used by legitimate users, and in fact if done intentionally it can be called a DoS attack, but most bandwidth hogging is done not to restrict others' access to the resource, but simply to exploit the resource, whether innocently or otherwise. However, bandwidth hogging is not illegal; therefore as the company cannot support certain bandwidth usage, it must be specified that we have no control over this and users should be aware of the problems. |
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