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Challenger (MagnetGuard Wireless) is designed for installation in shop entrances, passages and in fitting rooms to detect and alert personnel about the presence of powerful permanent magnets. Powerful magnets can be used for unauthorized removal of security sensors from the goods. The system consists of wireless magnetic sensors and wireless alarming devices for the personnel. The sensors are battery-powered and designed for optimal power consumption modes resulting in one to three years of battery life, depending on selected operating mode. Easy and transparent system installation and configuration for end users with "one-touch" deployment.

== Specifications ==
===Magnet sensor===
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|Power supply	||Lithium cell AA ER14505 (3.6V 2.4Ah)
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|Dimensions	||80mm x 40mm x 20mm ( L x W x H )
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|Color	||Gray, Black
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|Mounting	||Using double-sided adhesive tape, 
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|Detacher detection distance*	||Up to 1.5m in all directions
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|Controls	||2 buttons inside («connect/reset» and «mode»)
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|RF band	||2.4GHz
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|Radio transmission distance**	||Up to 50m (in open field)
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|Communication protocol	||IEEE 802.15.4 compatible
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|Number of supported alarming devices	||Up to 10 alarming devices 
|}
:<nowiki>*</nowiki>The detection distance depends on the magnetic properties and construction of magnetic detacher and sensitivity settings. 
:<nowiki>**</nowiki>The transmission distance depends on many factors ( the presence of the shielding structures, the mutual orientation of the devices, etc. ) 


===Alarming device (Control panel)===
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|Power supply	||5-12V, 0.5A (from external power adapter)
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|Dimensions	||80mm x 40mm x 20mm ( L x W x H )
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|Color	||Black
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|Mounting	||Using double-sided adhesive tape
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|Indication	||Audible (alarm), LED (alarm zone number)
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|Controls	||Two buttons on the front panel ("Connect/Reset" and "Alarm mode")
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|RF band	||2.4GHz
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|Communication protocol	||IEEE 802.15.4 compatible
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|Number of supported sensors	||Up to 10 sensors
|}
Limitations on usage: 
:- Installation of sensors is not closer than 1m from moving metal objects;
:- Installation of sensors is not closer than 0.5m from the power wiring and acousto-magnetic anti theft systems;
:- Installation of the system is not closer than 50m from the metro lines and electric trains, not closer than 20m from the transformer substations and high tension power distribution lines.

== How To ==
* [[How to setup MD centrals in repeating mode]]

[[Category:Magnet detector|*]]