TP-Link TL-WR840N User Manual page 25

Wireless Radio - The wireless radio can only be enabled/disabled by using the WIFI

ON/OFF switch on the device.
Wireless Network Name - Enter a value of up to 32 characters. The same name of

SSID (Service Set Identification) must be assigned to all wireless devices in your
network. Considering your wireless network security, the default SSID is set to be
TP-LINK_XXXXXX (XXXXXX indicates the last unique six numbers of each Router's
MAC address). This value is case-sensitive. For example, TEST is NOT the same as
test.
Region - Select your region from the drop-down list. This field specifies the region

where the wireless function of the Router can be used. It may be illegal to use the
wireless function of the Router in a region other than one of those specified in this field.
If your country or region is not listed, please contact your local government agency for
assistance.

Note:
Limited by local law regulations, version for North America does not have region
selection option.
Mode - This field determines the wireless mode which the Router works on.

Channel Width - Select any channel width from the drop-down list. The default setting

is automatic, which can adjust the channel width for your clients automatically.
Channel - This field determines which operating frequency will be used. The default

channel is set to Auto, so the AP will choose the best channel automatically. It is not
necessary to change the wireless channel unless you notice interference problems with
another nearby access point.
Disable Security - The wireless security function can be enabled or disabled. If

disabled, the wireless stations will be able to connect the Router without encryption. It is
recommended strongly that you choose one of following options to enable security.
WPA-PSK/WPA2-PSK - Select WPA based on pre-shared passphrase.

PSK Password - You can enter ASCII or Hexadecimal characters.

For ASCII, the key can be made up of any numbers 0 to 9 and any letters A to Z, the
length should be between 8 and 63 characters.
For Hexadecimal, the key can be made up of any numbers 0 to 9 and letters A to F,
the length should be between 8 and 64 characters.
Please also note the key is case sensitive, this means that upper and lower case
keys will affect the outcome. It would also be a good idea to write down the key and
all related wireless security settings.
No Change - If you chose this option, wireless security configuration will not change!

TL-WR840N 300Mbps Wireless N Router User Guide
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