Display for GPS Fleet Management system

We  develop and provide LCD display for GPS GSM GPRS tracker and fleet management.

Functions:
1) Phone calls: with a display and SIM card, the driver can take phone calls to any telephone
2) Information services: with a display, the driver can read or send all kinds of messages from service center or GPS devices
3) Function keys: with a display, there're some programmable function keys for the driver to operate
4) Voice prompt: at the state of over a fixed speed running, when you receive the assignment information or operate to the buttons and menus in the displayer, there's always voice prompt to show the operation has completed