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NCJ Number: NCJ 245746     Find in a Library
Title: Through-the-Wall Sensors for Law Enforcement: Best Practices Version 1.0
  Document URL: PDF 
Corporate Author: ManTech Advanced Systems International, Inc.
United States of America
Date Published: 03/2014
Page Count: 19
  Annotation: This report presents advice, tactics, and information related to law enforcement’s use of through-the-wall sensor (TTWS) devices, which use a form of radar to detect movement behind barriers.
Abstract: The ability to sense the presence of individuals through common building materials can be useful during rescue operations, law enforcement operations, and other tactical scenarios. Firefighters could use the devices to locate trapped survivors. TTWS can display a variety of information, from the simple “movement detected” to a two-dimensional graphical representation of detected movement in relation to the sensor. Devices may also provide a graphical representation of repetitive movement, as would be expected in the detection of breathing. Some data interpretation may require training on the instrument for optimal use. A summary is provided of the commercially available Federal Communication Commission certified TTWS systems suitable for law enforcement or emergency response application. Information provided includes the product name and manufacturer, unit cost, training required, operating range, field of view, weight, battery life, and frequency. The section on "Best Practices and Lessons Learned" offers advice as follows: Practice with the device and learn how to use it; think of TTWS as a tool, but not a substitute for tactical training; take multiple measurements at different places to establish more reliable situational awareness; and metal can block radar signals or confuse results. References and a section on frequently asked questions
Main Term(s): Police equipment
Index Term(s): Specifications ; Comparative analysis ; Building searches ; NIJ grant-related documents ; Sensors
Sponsoring Agency: National Institute of Justice (NIJ)
US Department of Justice
Office of Justice Programs
United States of America
Grant Number: 2010-IJ-CX-K024
Sale Source: National Law Enforcement and Corrections Technology Center (NLECTC)
700 N. Frederick Ave.
Bldg. 181, Room 1L30
Gaithersburg, MD 20879
United States of America
Type: Report (Technical Assistance) ; Report (Grant Sponsored)
Country: United States of America
Language: English
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