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Coban GPS303 series are budget GPS trackers for vehicles. By November 2015 the family include three modifications with postfixes B, F and G in their names:
Coban GPS303B ? the basic model, which has just three wires to connect: two for power and one for ACC status.
Coban GPS303F ? advanced model with multiple inputs and outputs (I/O).
Coban GPS303G ? similar to GPS303F, but also includes remote control for managing the alarm mode, engine cut relay and send emergency alarm.
?F? AND ?G? MODIFICATIONS
Both ?F? and ?G? modifications differ from basic model of the series (GPS303B) by having more inputs and outputs that allow connecting various sensors, such as doors opening or fuel level sensor.
The difference between ?F? and ?G? modifications is the remote controller. It has four buttons and allows to control alarm mode (ON/OFF), engine cut relay and send emergency signal (SOS).
All models are dust and waterproof, and have no external antennas ? it simplifies the installation process.
Coban 303G package
LOCATION AND TRACKING
All GPS303 models are embedded with GPS chip NewStar 1315 and don?t have support of GLONASS and alternative systems.
There are only two basic tracking mode, which do not provide too much flexibility: by time interval and by distance.
As the back-up, when no satellites signals are available, it uses Cell ID location (also known as LBS-tracking).
Also, the tracker supports turnings. It will update the positions automatically to web server once the vehicle changing driving direction over pre set angle (30 degrees) to form a smooth trajectory consistent with the actual road, this function is only effective in GPRS mode.
With Quad-band GSM 2G module mobile devices can be operated all over the world.
Both GPS303F/G have one input reserved for SOS button (also included into the package). To send the SOS signal it?s required to hold the button pressed within 3 seconds.
For ?G? model it is also duplicated on the wireless remote controller.
External power supply might be 12V or 24V, which makes possible to install GPS303 both on cars and vans.
GPS303 also features a built-in rechargeable backup battery. When fully charged it ensures about 3-4 hours of device operation (in normal conditions).
INPUTS AND OUTPUTS
There are following interfaces available:
1 x Discrete input reserved for SOS button (-)
1 x Discrete input (+)
1 x Discrete input (-)
1 x Fuel level sensor ? reported in percent
1 x Output reserved for Engine block relay
1 x Output reserved for Siren (but also can be used for any other purpose)
When input state changes device reports about it to the server immediately.
LIMITED OUTPUTS CONTROL
Coban GPS303 firmware does provide the possibility to check the current state of the output. Thus you can only send the command to turn the output ON or OFF, but not able to read the state remotely.
LOCAL AND REMOTE MANAGEMENT
GPS303 trackers can be fully controlled over GPRS, including configuration of tracking modes and controlling outputs. There is also a wide list of SMS commands in a human-friendly format, on which device always replies back. It supports remote APN settings configuration by SMS.
However, the disadvantage is the output state can?t be read remotely. A user can send two commands with the meaning ?Switch ON? or ?Switch OFF? for the output control, but he won?t be able to get its current status.
You can also configure GPS303 from a PC, but you will require a special USB-cable, which is not included into a standard package. No special software is needed.
GPS303 has 3 LEDs
Red LED indicates backup battery charge
Green LED indicates GSM/GPRS mode
Blue LED indicates GPS reception
The manufacturer offers original accessories:
Fuel level sensor
|Size||96x53x16 mm (3.78×2.09×0.63 in)|
|Weight||70 g (2.47 oz.)|
|Internal antenna (GNSS)|
|External antenna (GNSS)|
|Cellular network type||GSM Quad Band|
|Cellular network generation||2G|
|Internal antenna (Connection)|
|External antenna (Connection)|
|Number of inputs (all types)||4|
|Number of outputs||2|
|Battery capacity||700 mAh|
|Engine block relay|
|Fuel level sensor reading|
|Fuel temperature sensor reading|
|Driver ID reading|
|Engine block special control|
|Smart power consumption|
|Location by Cell ID|
|External power cut off|
|Device switched on/off|
|Network signal level|
|GNSS signal level|
|GNSS satellites fixed|
|External power source voltage|
|CAN/OBDII reader type|
|Check engine light|
|Server connection setup over SMS|
|Device ID type||Static (IMEI)|
|Remote device configuration||Yes (over GPRS)|
|Forced GNSS location update over SMS|
|Forced LBS location update over GPRS|
|Message exchange format||ASCII|
|Firmware update OTA|
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