MAXDATA Multimedia Notebook Computer Instrukcja Użytkownika Strona 14

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58
RADIO FREQUENCIES FOR UNITS WITH WIRELESS LAN
The following information was correct at January 2002. You can obtain
current information from the appropriate authorities in your country (e. g.
www.regtp.de).
FREQUENCIES
Radio network cards and adapters are designed in accordance with IEEE-
Standard 802.11b+g for use in the ISM frequency band (Industrial, Scienti c,
Medical) between 2.4 and 2.4835 GHz.
Because of the DSSS-procedure
(Direct Sequence Spread Spectrum), each of the 11 usable radio channels
takes up a width of 22 MHz; this means that up to three, independent chan-
nels are available (e.g. 3, 8 and 11).
The following table lists the authorised
channels in your country:
Channel
MHz
Europe R&TTE
France, R&TTE
1
2412
X
2
2417
X
3
2422
X
4
2427
X
5
2432
X
6
2437
X
7
2442
X
8
2447
X
9
2452
X
10
2457
X
X
11
2462
X
X
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