RANGE-R® Theory of Operation
RANGE-R is a handheld sensor capable of sending Radar signals through the walls and locating people inside buildings. It is powered by 4 AA batteries and weighs less than 1.5 lbs.
The basic RANGE-R concept of operations is shown in Figure 1. The sensor is held against the wall and activated via a pair of buttons (one hand operation). A series of Radar pulses is transmitted through the wall. The pulses are reflected from objects inside the structure. These returns are analyzed as Doppler radar returns, allowing detection of any moving objects in the structure. The sensitivity of the RANGE-R is sufficient to detect people breathing, making it difficult for individuals to hide from RANGE-R. The range to a target is displayed on the user-friendly graphic display. RANGE-R covers a conical field of view of 160 degrees, sufficient to cover an entire room (or small building) in a single scan. The entire scan/detect sequence takes only a few seconds.