From Cambridge Consultants, prism 200 is a handheld through-wall radar, which has been designed to be used by police, special forces or the emergency services. It provides quick and covert intelligence on the movement and location of people in a room or building - without the need for invasive sensors. prism 200 has been designed for situations where a high degree of insight is essential for success. This compact, portable and durable product uses advanced signal processing to highlight moving people and objects in cluttered environments, through doors or brick, block and concrete walls. prism 200 is easy to use and with the press of a button, operators can switch between front, plan or profile views for a complete picture. The user can also observe the scenario in a 3D view, where the perspective can be rotated to look at a room or building from various vantage points.