Type
: USCM Motion Tracker
Range
:Maximum effective range 1 kilometer
User
Notes: "Motion Tracker uses sonar bursts with Doppler-shift
discrimination to scan and locate movement. The location of detected
movement is displayed on a small LCD screen mounted on the side of the
device with an asdditional auditory cue. In ideal conditions (ie. open
terrain with no wind) the tracker can scan accurately up to a kilometre,
however in buildings (such as the average colony building with metal and
synthesised walls which to a great extent absorb the sonar bursts and returns)
the effective range drops to between twenty and thirty metres."
Taken from USCM Training Manual