You need following network communication device (sold separately) to connect your CLIÉ handheld to the network.
Refer to the operating instructions of the network communication device to connect your CLIÉ handheld to the network communication device.
To check the information on the cellular phone which can be used with your CLIÉ handheld
For details, see Sony CLIÉ Web site
(http://www.sony.com/clie/).
You must first sign up with an Internet Service Provider (ISP) to connect your CLIÉ handheld to the network