15
Belinea o.book 5.1
Radio frequencies for units with wireless LAN
The following information was correct at January 00. 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 80.11b+g
(+n, optional) for use in the ISM frequency band (Industrial, Scientific, Medical) between
.4 and .485 GHz. Because of the DSSS-procedure (Direct Sequence Spread Spectrum),
each of the 11 usable radio channels takes up a width of MHz; this means that up to
three, independent channels are available (e.g. , 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
In addition, the integrated radio network card supports the standard 80.11a. For more
information regarding 5 GHz band frequencies authorized in your country, please contact
your respective appropriate authority.
