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Chapter 2: Basic Checkout
WLAN Settings
2.11
WLAN Settings
2.11.1 Radio Performance
Warning: Do not exceed the maximum permissible transmitting power which is speci-
Please keep the configuration for the transmitting power in mind:
•
Maximum output power configured in the WLAN card (To locate this information, tap
on the desktop ATHEROS shortcut icon, and then tap on the Help menu.)
•
Connecting cables
•
Antenna
A help table with the correct settings is provided below:
2.11.2 8580/8590 Antenna Solutions for EU Countries
The integrated 8580/8590 antenna solutions are based on the prevailing IEEE.802.11b stan-
dard, which allows wireless data transfer at rates from 54 Mbps to 1 Mbps using the
2.4 GHz band.
Warning: According to regulations published in the gazette 89/2003 of the RegTP (reg-
To set the transmitting power of the wireless card:
•
Tap on the desktop ATHEROS shortcut icon, and then tap on the Help menu.
28
8580/8590 Vehicle-Mount Computer User Manual
fied by each separate country. The maximum permissible power setting for
the U.S.A. is 62 mW. 8580/8590 users in other countries must verify the
power limit themselves.
ulating body for telecommunications and mail): Federal network agency for
electricity, gas, telecommunications, post and railway, the maximum permis-
sible transmitting power, EIRP (equivalent isotropically radiated power), in
the 2.4 GHz frequency band is set at 20 dBm.
The transmitting power of the two integrated antennas (4 dBi or 5 dBi) must
be set to 30 mW (15 dBm) so that the EIRP limit value is adhered to when
using the antenna.
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