Wi-Fi - (. Wireless Fidelity ) , , , Wi-Fi , Wi-Fi .
Wi-Fi
, / . , , , , , .
.
Wi-Fi . Wi-Fi.
Wi-Fi ( 100 ) , .
Wi-Fi. :
B (802.11 b) (1999.) 11 /, 2,4 .<.li>
G (802.11 g) (2003.) 54 /c, 2,4 ( b)<.li>
N (802.11 n ( 2009) 300 / ( 600 /c). 2,4-2,5 5 . 802.11a/b/g .<.li>
Wi-Fi .
2 Wi-Fi :
( ) -, -, -.
.
WiFi :
( WiFi )
(iPhone), , iPod touch
(iPad)
WiFi ( USB)
Skype
PSP
WiFi
(WiFi )
(54 / 300/)
(USB , 3G, 4G, )
WiFi , , , , , .... . Linksys, Trendnet, D-Link, Zyxel.
Wi-Fi .
, , , ip ( )
.
1. . :
IP
IP ()
PPTP
PPoE
L2TP
.
2. ( )
3. Wi-Fi .
4. Wi-Fi . :
WEP
WPA
WPA2
Wi-Fi . , Wi-Fi . , :
(SSID) .
WPA2/PSK .
WEB WI-Fi ().
MA-.
,
Wi-Fi . . , . , , ( ).
. :
! , , .
:
, , - .
, .
Wi-Fi 5-6dBi () , - 8-18dBi
WI-Fi!