Coban - GPS311

GPS Tracker,which set multiple functions of accurately positioning,security, monitoring surveillance, emergency alarms and tracking in its entirety,special for vehicle.
The product fully supports the functions of SMS / GPRS / Internet data transmission,to make it more widely used in large-scale monitoring, emergency scheduling, location-based services, traffic safety and many other areas of management.


Detailed description:

It is based on GSM/GPRS(850/900/1800/1900MHZ)wireless telecommunication internet and GPS satillite global position system,track by several ways.provide monitor software and global map.real-time track through the monitor software in your pc;track through your PDA cell phone and googleearth.

DIM: 60X36X18mm        
GSM Frequency: 4 band 850/900/1800/1900       
GPS sensitivity: -159dBm         
Battery: 3.7V 180mAh        
Feature: Accept wide voltage from 8V to 40V, it can work with car, E-bike, motorcycle, etc.



  • Change Password
  • Authorization
  • Single Locating
  • Auto track continuously
  • Automatic update positions of vehicle turns
  • GPS drift suppression
  • Absolute street address by SMS
  • Location based service (LBS)
  • Forward the third parties’ message
  • Charges Inquiry
  • Alarm Function
  • Low battery alarm
  • External Power off alarm 
  • GPS blind Spot alert
  • Geo-fence
  • Multi-area management
  • Movement alarm
  • Over speed alarm
  • ACC working alarm 
  • Arm
  • ACC alarm 
  • Shock Sensor alarm
  • Alarm without GSM network service
  • Check the Vehicle State
  • Reset Hardware
  • Sleep / No sleep mode
  • Set up Terminal (local) Time
  • TCP / UDP Switch
  • Configure parameters by USB
  • GPRS setting
  • Modes Switch between “SMS” and “GPRS”
This information only is for informational purposes only, Plaspy does not have relationship with the device's manufacturer, for more information check the manufacturer's website or user manual.

Set Up GPS311


To set the tracker send the following commands by SMS messages, the sample setup the device password is Gkrtr7, this password is the default

  1. Factory reset
  2. Set the time zone UTC-0
    time zoneGkrtr7 0
  3. Set the operator APN
    apnGkrtr7 {{apn}}
  4. Set the username and password of APN operator
    upGkrtr7 {{apnu}} {{apnp}}
  5. Set the GPRS Server
    adminipGkrtr7 8888
  6. Set update interval
  7. Switch to GPRS mode to UDP or TCP

To check settings checkGkrtr7

To enable the status of the fuel sensor or improve the transmission of the status of the digital sensors protocolGkrtr7 18