| 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 mobile Smart 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 the | | | | contact wirelessly to a friend who is close by with a |
| 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. | | | | T mobile feature relatively long battery life; T-Mobile |
| The Phone Book application, called Contacts on the T | | | | boasts standby time up to 8hours, and talk time up to |
| mobile, is entirely accessible with Mobile Speak Smart | | | | 4.5 hours for the camera model. Another important T |
| phone, allowing you to create, edit, and read all your | | | | Mobile SDA difference is that they are controlled |
| contact information and quickly call people in the list. | | | | entirely by buttons. |