● Network mode — Select which network to use. If you select Dual mode, thedevice uses the GSM or UMTS network automatically, according to the networkparameters and the roaming agreements between the wireless serviceproviders. For details and roaming costs, contact your network service provider.This option is shown only if supported by the wireless service provider.A roaming agreement is an agreement between two or more service providersto enable the users of one service provider to use the services of other serviceproviders.● Operator selection — Select Automatic to set the device to search for andselect one of the available networks, or Manual to manually select the networkfrom a list. If the connection to the manually selected network is lost, the devicesounds an error tone and asks you to reselect a network. The selected networkmust have a roaming agreement with your home network.● Cell info display — Set the device to indicate when it is used in a cellular networkbased on microcellular network (MCN) technology and to activate cell inforeception.Wi-Fi/WLAN connectionYour device can detect and connect to wireless local area networks (WLAN). Usinga WLAN, you can connect your device to the internet and compatible devices thathave WLAN support.About Wi-Fi/WLANTo use a wireless LAN (WLAN) connection, it must be available in the location, andyour device must be connected to the WLAN. Some WLANs are protected, and youneed an access key from the service provider to connect to them.Features that use Wi-Fi/WLAN, or that are allowed to run in the background whileusing other features, increase the demand on battery power and reduce the batterylife.Your device supports the following Wi-Fi/WLAN features:● IEEE 802.11b/g standard● Operation at 2.4 GHz© 2008 Nokia. All rights reserved.96