Your device is compatible with UPnP architecture. Using a wireless LAN access point device or a wireless LAN router, you can create a home network and connect compatible UPnP devices that support wireless LAN to the network, such as your Nokia N81, a compatible PC, a compatible printer, and a compatible sound system or TV, or a sound system or TV equipped with a compatible wireless multimedia receiver.
Using the wireless LAN function of the Nokia N81 in a home network requires a working wireless LAN home
connection setup and the other …

When you configure your wireless LAN home network, enable an encryption method on your access point device, then on the other devices you intend to connect to your home network. Refer to the documentation of the devices. Keep any passcodes secret and in a safe place separate from the devices.
To view or change the settings of the wireless LAN internet access point in your device, see ‘Access points’, If you use the ad hoc operating mode to create a home network with a compatible device, enable one of the encryption …