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Intel Reveals new WiMax-WiFi Roaming

Cell TowerConverged networks. Seamless link exchange. Passing Off to the next tower. These are all things we take for granted – and your cell phone is a great example. While you can seemingly stay connected for an endless stretch of the road – you are actually making those calls from different cellular towers along the way. The closest tower is generally going to get the call. As you move, that changes and they are passed between one another without you even realizing it.

What exactly is an unlocked GSM Phone? Tiger InBox

Sim Card

When you say an “unlocked GSM Phone” does that mean i can use it with any company? I have Cingular so i can just remove the SIM card and an unlocked GSM Phone would work, even if the phone is motorola? (from Whitepimp via YouTube)….