The MK5 OBU KIT from COHDA Wireless is a complete hardware and software package for development and testing of DSRC-based V2X applications. It includes a DSRC transceiver, an open source MK5 middleware, an In-Vehicle Unit (IVU), and various API libraries to enable rapid development of applications. The MK5 OBU is capable of handling the full range of IEEE 1609.4 signaling and cloud services protocols. The IVU provides a platform for the collection, storage, and analysis of data from nearby vehicles, infrastructure and roadside units. Additionally, the MK5 OBU is designed to meet the rigorous requirements of commercial automotive and telematics solutions, making it ideal for developing custom traffic management and safety systems.