Can Nokia 6120 be used with a laptop?

[Uconn411]

I have seen data cables that are supposedly compliant with the Nokia 6120 to connect with a 3com cellular modem. But, I have also seen messages to the contrary. What is really true? Also, I know that there is an "infrared eye" on top of the phone, but I heard that they don't work in U.S. versions of the phone. Thanx.