Recently alpha Micro has released the u blox M8 that is a firmware , it is a multi receiver GNSS platform that has -167dBm of sensitivity thus providing a 2m position accuracy as well. This device has been particularly designed to get the OEMs more advanced in the drive recorder and all the emergency call systems along with drone positioning , all those application that requires accuracy positioning. This upgraded U box will be showing its claimed specification by reducing the overall power consumption  totally by 10 percent in the previous firmware and the six global variants as well GNSS: GPS, GLONASS, BeiDou, QZSS, SBAS and Galileo. It is also able to track up to three constellations concurrently and makes full use of SBAS and QZSS augmentation systems.