Toshiba Satellite L20 Series User Manual page 171

Supported Frequency Sub-bands
Subject to the radio regulations that apply in the countries/regions, your
Wireless LAN card may support a different set of 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.
Wireless IEEE 802.11 Channels Sets (Revision B and G)
Frequency Range
Channel ID
1
2
3
4
5
6
7
8
9
10
11
12
13
*1 Factory-set default channels
*2 Refer to the sheet Approved Countries/Regions for use for the
countries/
regions that in which these channels can be used.
User's Manual
2400-2483.5 MHz
2412
2417
2422
2427
2432
2437
2442
2447
2452
1
2457*
2462
2
2467*
2
2472*
Wireless LAN
C-3