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INTRODUCTION

GPM2000
GPS & GPRS AVL Tracking Main Unit
This equipment, processes GSP data, controls the information collected by an embarked devices and becomes an interface to communicate between these  vehicles and the operation center.

General specifications
Volt                                                   9V~40V
Power consumption                        4.8W, 0.24W standby
Protocol                                           TCP/IP; UTP
GPS Format                                     NMEA-1083
Data Form                                        Car No., longitude and latitude, speed, direction,date, time, status…
SIM Card                                          3V/5V
Operation temperature                    -30℃~80℃
Storage temperature                        -40℃~85℃

GPRS
Modem Frequency                            850/900/1800/1900MHz
Output power                                     2W(900MHz),1W(1800MHz)
Mobile Station                                   Class B

GPS
Receiving Frequency                       1575.42MHZ 10MHZ
                                                           16 Channels
Position precision                             2 Meter
Receiving Time Update rate:           1/second, continuous Acquisition times:         Hot 3.5sec  Warm 33sec  Cold 34sec
Transfer rate                                     9600bps
Protocol Output format                   GGA, GSV, RMC, VTG, GIL, GSA.
GPS Chip                                           ATMEL ANTARIS4