Group 1 - Serve Robotics Inc. announced the acquisition of Phantom Auto Inc. and its subsidiary Voysys AB for approximately $5.75 million, enhancing its technology stack for autonomous delivery robots [1][3] - Voysys AB, founded in 2014 and headquartered in Norrköping, Sweden, specializes in ultra-low latency video streaming and teleoperation technology, connecting to autonomous vehicles and robots over various networks [2][3] - Voysys' technology achieves a glass-to-glass latency as low as 50 milliseconds and includes features for customizing user experiences with 3D and AR rendering [3] Group 2 - Serve Robotics designs and operates low-emission robots for food delivery in public spaces across the US [4]