| One important difference is that they are controlled | | | | The Phone Book application, called Contacts on the T |
| entirely by buttons. Since the face slid up to expose | | | | mobile, is entirely accessible with Mobile Speak Smart |
| the keyboard, it became a bit top-heavy and thus | | | | phone, allowing you to create, edit, and read all your |
| made it hard on the hands when doing a lot of email. | | | | contact information and quickly call people in the list. |
| The T Mobile SDA has 850 MHz;900 MHz;1800 | | | | There are several other things you can do in the |
| MHz;1900 MHz network.T mobileSmart phones are a | | | | Contacts application, including synching all your |
| category of handheld devices that run Microsoft's | | | | contacts on your PC to your phone, beaming a |
| Windows Mobile operating system. This version of | | | | contact wirelessly to a friend who is close by with a |
| the Windows Mobile operating system is slightly less | | | | Bluetooth-equipped phone, and creating voice tags so |
| robust than the one that runs the Pocket PC SDA | | | | you can dial with your voice. |
| devices. The weight is 3.74 ounces. | | | | |