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There are two kinds of wireless connection mode: Infrastructure and Ad-Hoc.
Infrastructure mode is used by wireless access points, which is able to
establish wireless connection for you and other wireless/wired network clients.
Ad-Hoc mode is also know as ‘point-to-point’ mode, and in this mode, wireless
devices such as computer or PDA will not be capable to establish wireless
connection with more than one wireless device, and is suitable for establishing
a one-to-one wireless connection between two wireless devices. Before
connecting to any wireless access point or device by infrastructure or Ad-Hoc
mode, there are two issues to be aware of:
y Wireless device’s ‘SSID’ (Service Set Identifier). Users can scan for the
SSID of other wireless devices nearby, but if the SSID of the wireless
device is hidden, it is necessary to know exact SSID before establishing
the connection.