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This Israeli technology is constantly improved and used by anti terror units around the world.

The Xaver 100 developed by Camero is an ultra-portable, handheld and durable presence of life detector. The Xaver 100 provides military, law enforcement and Search & Rescue personnel critical information in real-time about the presence of life and its distance behind a wall, enabling better tactical decision making in various operational scenarios such as:
Tactical Entry/Assault – Alert operators to the presence of potential threats
Hostage Recovery – Quickly determine which spaces are occupied
Search & Rescue – Effective detection of trapped or injured people
Breaching – Plan for effective and safe entries
Force Protection – Create a”Virtual Window” to spot external approaching threats. Providing a clear operational advantage and the ability to”step into the known”.
The Xaver 100 has been deployed by users worldwide. The Israeli company would not identify them.
i-HLS Israel Homeland Security
[youtube https://www.youtube.com/watch?v=COdZkPFyE38&w=640&h=390]
Technical Specifications
Device type Handheld through-wall radar
Penetrable wall Materials Cement, plaster, brick, concrete,
reinforced concrete, adobe, stucco,
drywall and many other standard
building materials
Detection range 4m, 8m, 20m
Field of view 120° in both Azimuth and Elevation
Display mode Indication of target presence, movement
direction, and distance
Frequency range 3GHz to 10GHz
Resolution Better than 15cm
Dimensions L:21.8cm, W:9.7cm, D:6.5cm
Weight 630 gr, with 2 AA Batteries
660 gr, with 4 A123 Batteries
Power supply 2 AA Batteries or 4 C123 Batteries
Battery operation time 2 AA Batteries – 2 hours
4 A123 Batteries – 3.5 hours
Wireless capability Optional built-in wireless module for
remote monitoring and control
Features
o Ultra portable and compact.
o Optimized ergonomic and rugged design.
o Reliable detection of life behind most common wall materials.
o Simple user interface for clear and immediate interpretation.
o Indication of target presence, movement direction and distance 20m detection range.
o Enables Stand-off operation (within the detection range).
o Coexistence capability for operation of multiple Xaver 100 units simultaneously.
o Optional internal wireless capability for remote monitoring and control.
o Complies with MIL-STD-810F.
i-HLS Israel Homeland Security
Technology
The Xaver 100 utilizes a state-of-the-art system architecture, encompassing multiple cutting edge technologies. A unique and micro-power Ultra-Wideband (UWB) pulsed radar sensor that operates at very high bandwidth for industry leading performance. Mathematical algorithms are used to cope with cluttered environments resulting in a highly reliable object presence and distance detection. A simple user interface and ultra-portable form factor are key features of the design. The Xaver™ 100 has an optional internal wireless module for full remote control and viewing options.
Radiation Safety
The Xaver 100 is completely radiation safe. It is designed to provide superior performance while meeting the requirements of ICNIRP-1998 radiation exposure restriction; and an available version for the FCC OET Bulletin 65 – Limits for General Population/ Uncontrolled Exposure.