Patent attributes
An aftermarket vehicle communications device that that is part of a V2X communications system. The device can be a plug-in device, a wireless device separate from the vehicle, such as a key fob, wearable or a smart phone, or a permanent retrofit device mounted to the vehicle. The device is electrically coupled to the vehicle by, for example, an OBD connection, a USB connection, a CAN bus connection, an HDMI connection or wirelessly. The device includes a radio for transmitting and/or receiving communications signals, a memory for storing security information and vehicle application data, a location processor such as a global navigation satellite system receiver, a verification processor for verifying messages, and a communications processor configured to be put in electrical communication with a CAN bus on the vehicle, where the communications processor receives vehicle location signals from the location processor, files from the memory and signals from the radio.