Wireless Threat Indication

Wi-Ti (Wireless Threat Indication)

What is it?

Wi-Ti is a wall or portal mounted sensor system that will detect concealed threat items over an extended coverage area. It is ideal for screening unstructured crowds, covertly to widen the security perimeter in public places.

Wi-Ti is a cutting-edge technology that analyzes the characteristics of Wi-Fi signals reflected off walls and people. These signals are altered in a predictable way when they come into contact with concealed threat items. By comparing received radar returns to known threat signatures, the Wi-Ti system will detect and differentiate threat and non-threat items over a wide Wi-Fi enabled coverage area.

How it works?

  • Wi-Ti compares reflected Wi-Fi signals to known threat signatures to identify concealed threat items over a wide area of coverage.
  • Wi-Ti incorporates proven SAR (Synthetic Aperture Radar) and MIMO (Multiple Input/Multiple Output) techniques to locate suspicious objects within its extended field of view through triangulation.
  • Wi-Ti provides an instantaneous alert to indicate the location and priority of detected threats using a “cursor on target” video display of the coverage area.
  • Wi-Ti is a passive technology that is not subject to regulatory approval nor will it interfere with Wi-Fi network operation.
Related Wi-Fi Technologies

Enabling Technology

  • PRT developed, solid state, multi-element, flat panel radar array constructed of inexpensive commercial devices.
  • PRT developed algorithmic signal processing techniques, artificial intelligence and machine learning to adapt quickly to emerging threats.

Primary Applications

  • Detection of concealed weaponry on people within any Wi-Fi enabled environment (schools, airports, sports complexes, casinos, theme parks…..)
  • Indoor or outdoor use.

Future Applications

To be determined

WiTi Jargon Buster

RADAR - The term RADAR was created in 1940 by the United States Navy. It is an acronym for RAdio Direction And Ranging.

The modern uses of radar are diverse, including air traffic control, radar astronomy, air-defense systems, antimissile systems, marine radars to locate landmarks and other ships, aircraft anti-collision systems, ground-penetrating radar for geological observations, and range-controlled radar for public health surveillance. High tech radar systems such as PRT MIRIAD, Wi-Ti and Shoe Scanner are associated with digital signal processing, machine learning and are capable of extracting useful information from very high noise levels.
Augmented Reality (AR) is a technology that takes the world around you and adds virtual content on top such that it looks like it's actually there in the real world.

Artificial intelligence (AI) is an area of computer science that emphasizes the creation of intelligent machines that react to consistently to a set of tasks like spotting something that it out of the ordinary. This can be data , a radar reflection or anything you want it to see or detect.

Artificial neural network (ANN) has several advantages but one of the most recognized of these is it can actually learn from observing data. Put simply ANN takes data samples rather than entire data sets to arrive at answers, which saves both time and money. ANN’s are fairly simple mathematical models to enhance existing data analysis technologies.
IoT - The Internet of things (IoT) is the networking of physical devices, vehicles, home appliances, and other items embedded with electronics, software, sensors, actuators, and connectivity which enables these things to connect, collect and exchange data. IoT involves extending Internet connectivity beyond standard devices, to any range of traditionally dumb or non-internet-enabled devices and everyday objects. Embedded with technology, these devices can communicate and interact over the Internet, and they can be remotely monitored and controlled.
SaaS / IaaS

Synthetic-aperture radar (SAR) is a form of radar that is used to create two-dimensional images or 3D reconstructions of objects, such as landscapes. SAR uses the motion of the radar antenna over a target region to provide finer spatial resolution than conventional beam-scanning radars. SAR is typically mounted on a moving platform, such as an aircraft or spacecraft, and has its origins in an advanced form of side looking radar (SLAR).

SaaS stands for Software as a Service. It is a distribution model for software, whereby instead of downloading the software to run locally, the program is run over the internet, typically through a web browser interface.

SaaS is a type of cloud computing, with the other related cloud computing categories being Infrastructure as a Service (IaaS), and Platform as a Service (PaaS). Many folks use SaaS on a daily basis, although they may not be familiar with the term. SaaS is usually sold via a license/subscription model.

Plyromouth Rock Technologies

Plymouth Rock Technologies
202 South Meadow Road
Unit 5
Plymouth, MA 02360

Stock symbol

Plymouth Rock Technologies  Inc. is publicly trading in Canada on the Canadian Securities Exchange (CSE) under the symbol PRT.


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