Toshiba Satellite U840 - Manual (Page 115)

An ad-hoc mode is not available in 802.11n mode.
Available channel of Peer-to-peer connection by ad-hoc mode is Ch1-
Ch11.
Connection with an access point by the Infrastructure mode is Ch1-
Ch13.
As of Jan. 2012
Australia Austria Azerbaijan Bahrain
Belgium Brazil Brunei Bulgaria
Canada Chile China Costa Rica
Croatia Cyprus Czech Republic Denmark
Ecuador Egypt Estonia Finland
France Germany Greece Honduras
Hungary Iceland India Indonesia
Ireland Italy Ivory Coast Japan
Jordan Kenya Kuwait Latvia
Lebanon Liechtenstein Lithuania Luxembourg
Malta Mauritius Mexico Monaco
Morocco Netherlands New Zealand Nicaragua
Norway Oman Pakistan Papua New
Guinea
Paraguay Peru Philippines Poland
Portugal Qatar Romania Russia
Rwanda Saudi Arabia Serbia Singapore
Slovak Republic Slovenia South Korea Spain
Sweden Switzerland Taiwan Tanzania
Turkey Ukraine United Kingdom United States
Uruguay Venezuela
Approved Countries/Regions for the Realtek ®
RTL8188CE 802.11n PCI-E NIC b/g/n Wireless LAN
This equipment is approved to the radio standard by the countries/regions
in the following table.
Satellite U840/U800 Series
User's Manual D-8