Toshiba Satellite L650 Series User Manual page 152

The range of the wireless signal is related to the transmit rate of the
wireless communication. Communications at lower transmit range may
travel larger distances.
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Supported Frequency Sub-bands
Subject to the radio regulations that apply in the countries/regions, your
Wireless LAN module may support a different set of 5 GHz/2.4 GHz
channels. Consult your Authorized Wireless LAN or TOSHIBA Sales office
for information about the radio regulations that apply in the
countries/regions.
2.4 GHz Band Channels Sets (Wireless IEEE 802.11 Revision b, g and n)
Frequency Range
Channel ID
1
2
3
4
5
6
7
8
9
10
11
12
13
*1 Factory-set default channels
*2 The band width and the channel which can be used depends on the
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The range of your wireless devices can be affected when the antennas
are placed near metal surfaces and solid high-density materials.
Range is also impacted due to "obstacles" in the signal path of the radio
that may either absorb or reflect the radio signal.
installed wireless LAN module. And the approved channels on using are
different at each country or region. When using these channels in any
country or region, refer to the section Approved Countries/Regions for
use in the printed manual. The channel configuration is managed as
follows:
2400-2483.5 MHz
2412
2417
2422
2427
2432
2437
2442
2447
2452
2457*
1
2462
2467*
2
2472*
2
Wireless LAN
C-2