A few weeks ago a Chinese company Concox presented a new GPS tracker for vehicles GT800. This new AVL device is designed for fleet management.
The tracker has multiple analog and digital inputs and outputs that may be used for various options like door lock detection, SOS button, 2-way voice communication and some other.
The device is protected from dust and water and has IP66 waterproof class.
This 2G GPS tracker supports A-GPS feature for better positioning in the urban area.