New Developing Handheld GPS Positioning Intercom Systems

The Main Functions of The GPS Positioning Intercom Systems:
1). Real-Time Locating
You Can Locate Where Your Driving Car Is, What The Speed Is, and Driving Direction at Any Time.
2). Real-Time Intercom (Group Calls, Talk-Group Calls, Single Calling)
You Can Dispatch Your Car by The Voice at Any Time, and You Can Communicate One to One, One to Many. The Voice Is Clear, and The Transmitting Is Quick, Has No Lateness.
3). Remote Images Acquisition
The Device Can Connect More Than One Wireless Transmitting Pickup Cameras, Taking Pictures Inside The Car in Long-Distance. You Can Know The Present Situation Inside The Car When You Sit at Your Office.
4). Emergency Alarm
When The Driver Meets Emergency, He Can Press The Red Emergency Button to Call The Police. The Monitoring Center Can Receive The Alarm Information About The Car Immediately, and Monitor The Situations Inside The Car in Long-Distance and Call The Police in Time.
5). Over Speed Alarm
The Driver Can Set up The Maximum Speed Limit by The Instrument, Thus The Satellite Can Monitor The Speed of The Car. When The Driving Speed Is Beyond The Limit, The Long-Distance Client-Side Will Appear The Over Speed Alarm Information, You Can Know The Car Is Driving Over Speed When You Sit at Office.
6). Seeking Help Button
When Pressing The Seek Help Button, The Instrument Will Upload The Service Request, The Center Can Communicate with The Driver Alone to Know About The Situation, for Example, When The Driver Went to Other Place, He Didn't Know The Road Condition, So He Can Consult The Service Center.
7). Metering and Taking Photos (Taxi)
This Function Is for Taxi Specially, When The Driver Take One Passenger, The Instrument Will Take Photos Inside The Car Automatically.
8). Displaying The Empty Carrying or Full Carrying (Taxi)
This Function Is for Taxi Specially, You Can Know The Taxi Is Empty Carrying or Full Carrying by The Long-Distance Client-Side.
9). Displaying Real-Time Speed and Direction
There Is a LCD Screen in The Left of The Device; It Can Show The Present Speed and The Direction of The Car.
10). Caller ID
The LCD Screen of The Instrument Can Show The License Plate of The Calling Side.
11). Text Message Broadcast Showing
When There Is a Message Sending to You, The LED Screen Will Display The Message Automatically.
12). The Satellite Automatically Adjust Time
13). Speech Synthesis Broadcast
14). Five Levels of Adjusting The Volume
There Is a Little Protruding Volume-Adjusting Button in The Middle of The Instrument, You Can Choose The Volume by Yourself, It Has 5 Levels for Adjusting The Volume.
15). Support for Short-Range Wireless Extension Device
16). Camera Extension
17). LED Advertising Screen Extension
18). Extension of The Temperature Sensor
19). Oil Recorder Extension