Wee, the 5200 doesn't run Windows CE 3 my friend. It's a 2.11 device.
Please ensure that you are using ActiveSync 3.8, and not 4.1. 4.1 is incompatible with 2.11.
When initiating a connection from the device, setup the connection method in the control panel > communications applet -
http://www.hpcfactor.com/support/cesd/c/0025.asp
Then run PC Link -
http://www.hpcfactor.com/support/cesd/s/0008.asp
ActiveSync on the device is for pre-partnered connections -
http://www.hpcfactor.com/support/cesd/s/0007.asp
1.5
) LAN Sync -
http://www.hpcfactor.com/support/cesd/c/0012.asp
2
) I had a quick skim of the info on the device. From what I can gather the optional wireless connectivity was cellular rather than a LAN mode. If you want to connect to the modem by dialing in, then yes you can do that so long as you setup your Windows PC to accept incoming connections over TCP/IP. It will be slow though. If you were thinking more in terms of Wireless Networking
(WiFi
) the HCL on this site is the place to have for ideas on compatible cards.