The ST3300V is a telemetry device designed for multiple interactions, such as vehicle tracking. It allows for crash or collision notification, fine tracing of the routes traveled by the vehicle, as well as monitoring of the vehicle itself. It has multiple inputs and outputs, with which you can implement all security solutions. Additionally, it has bidirectional voice support that allows you to communicate with the occupants of the vehicle. Some of its features include Jammer detector, voice kit, SCUTI maintenance, and unified Suntech protocol.