Workabout Pro and Web services.

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I've a Psion Teklogix WORKABOUT PRO with Windows CE .NET 4.2.
I've no GSM/GPRS module and the blueetooth one is used to connect to a GPS
receiver.
I don't know if there is a Wi-Fi module.

I want to connect to a Web Service with a C# device application:
- to connect to the Intranet I have to use the USB port of the docking
station, bluetooth disabling GPS, a thread for GPS ad another one for the
Intranet or Wi-Fi?
- and to connect to the Internet?
- With Visual Studio .NET 2003 when I create the Web Service I have to open
connections via blueetooth or Wi-Fi to consume the Web Service or they are
handled automatically?

Thanks,
Luigi.