In recent years, the need for safety in public transit has increased significantly and video surveillance in these environments has become commonplace. The more we rely on these systems, the more important it becomes to ensure that they always work. Streaming high-quality video places high demands on the data communications network, and the difficult operational conditions on-board trains comes with a unique set of requirements and challenges. Westermo has developed data communications products specifically for solving common challenges within CCTV and video surveillance systems in public transit.