Coban GPS303B description
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.
GPS303 “B” modification
The modification with “B” postfix is the basic model of the GPS303 series. With only three wires for power supply and ACC status, it does not provide the possibility to connect any other sensors or buttons, control external equipment.
GPS303B has built-in GPS and GSM antennas, dust and waterproof design.
Location and tracking
All GPS303 models are embedded with GPS chip NewStar 1315 and don’t have support of GLONASS or 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 direction is changed 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 GPS303B can be operated all over the world.
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).
Local and remote management
GPS303 trackers can be fully controlled over GPRS. 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.
GPS303 has three LED indicating: