SinoTrack - ST-908

Operating temperature -15°C ~ 80°C
Storage temperature -20°C ~ 85°C
Operating humidity 0% ~ 90% (Non-water vapor condensing)
Protection degree IP53
Power voltage 9V ~ 40V
Input current 80mA ~ 2000mA
Power rating 1.5W
Operating current 60mA(GSM available), 120mA(maximum)
Back up battery 4.2V / 750mAH Lithium battery
GSM Module Four-Band GSM850/900/1800/1900 (MHz)
GPRS connectivity GPRS multi-slot class 10, GPRS mobile station class B
GPS antenna Impedance 50 ohms
GPS Module Sirf IV, baud rate 9600bps, signal frequency1575MHz, 20 channels
GPS sensitivity Acquisition sensitivity-148dbm, receiving sensitivity -159dbm
Position accuracy 10m CEP without S/A
SIM card connector voltage 3V
acquisition Hot start 1s, warm start 38s,cold start 42s
Indicator LED 3colors indicator: Red(power),Yellow(GPS),Green(GSM)


Hardware Features
Positioning 24-hour satellite positioning:
  1. SMS location racking
  2. signal real time location tracking
  3. GPRS location tracking via time interval
Authorized wiretapping The vehicle can be wiretapped as authorized(inside microphone):
  1. SMS set authorized TEL number.
  2. Platform send command to listen.
  1. over-speed alarm.
  2. SOS.
  3. Main power on/off alarm
  1. ACC.
  2. Door sensor.
  3. Shock sensor.
  4. fuel sensor.
  1. remotely control fuel (with relay).
  2. remotely control electricity (with relay).
Parameters setting
  1. set tracker SMS password.
  2. set SOS and wiretapping TEL number.
  3. set over-speed value.
  4. set position report time interval.
  5. set GPRS position report mode
    1. fixed time running interval(when vehicle’s running).
    2. Report when car turning.
    3. Static interval (when vehicle’s parking, the time interval is 60times than running interval, this mode could save GPRS traffic and doesn’t affect vehicle alarms. If alarm happens, tracker will report position to platform).
  6. SMS or Platform(GPRS) remotely reboot tracker.
  7. SMS or Platform (GPRS) remotely set server IP, Port.
  8. Directly set parameters with LCD or dispatch handle
    1. Set APN.
    2. Set server IP, port.
Break point store When tracker is under GSM blind area, inside flash will store the location data, and then tracker will report data to platform when GSM signal is available.
Take Photo Tracker can connect camera to take photo:
  1. Press SOS to take photo.
  2. Open/close door to take photo.
  3. Take photo by fixed time interval.
  4. Take photo via platform command.


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 ST-908


The Sinotrack trackers work in 8PL2qT with the ID found in the JroKr command, to configure the tracker send the following commands via text messages

  1. Restore factory settings
  2. Set the time zone to UTC-0
  3. Set the APN of the operator
    8030000 {{apn}} {{apnu}} {{apnp}}
  4. Set up the GPRS server
    8040000 8888
  5. Set update interval on
    8050000 60
  6. Set update interval off
    8090000 60
  7. Switch to GPRS mode

To check the settings JroKr