Use Your BlackBerry as a Modem on a Mac
Those of you looking to tether your BlackBerry to your Mac look no further. RIM has published an article with a step-by-step of just how to do it. The article How to set up an IP modem using Bluetooth on an Apple Macintosh computer has plain and simple steps to get the job done.
A BlackBerry smartphone with tethered modem over Bluetooth® capabilities can be used as an external modem to connect an Apple Macintosh computer to the Internet. To set up an Internet Protocol (IP) modem over Bluetooth on an Apple Macintosh computer, complete the following tasks.
The full article can be found in the BlackBerry Technical Solution Center. This is a simple solution for Mac users, yet many don't know how to set it up or never cared to try. If you have tested out this method, be sure to leave a comment and let us know your findings.