Proximity or Touch Guard Patrol Hardware

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The SilverGuard Wand is an electronic guard patrol system that replaces the traditional mechanical time clock used by security personnel. During a watch tour, the security officer on duty can carry our handheld SilverGuard Wands (versions SGU9, SG5, SG6). These wands act as hand-held guard tour readers.

Using the hand-held reader, the security officer simply positions the reader next to each patrol checkpoint to record the location, date and time of his or her patrol. Patrol information is transferred via the Data Transfer Stations to a computer or to the Central Monitoring Station for processing. The SilverGuard guard tour equipment allows for the monitoring of field personnel.


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Vehicle Tracking is a product of taking the triangulation or location data acquired and sending that information back to an end user. The communication of data might be facilitated by cellular or satellite communication. Other options include wifi, RFID, or other forms of radio transmissions. In most cases, vehicle tracking data is stored on a server for users or 3rd party systems to fetch at the appropriate time.


GPS tracking is most commonly rendered on a map or sent to 3rd party systems. Mapping is usually provided by 3rd party providers such as Bing or Google. Fleet Tracking Companies consume that data for the purpose of allowing fleet managers to see the history of vehicle travel on maps whereby they can then make business decisions.


You might be wondering how GPS tracking works. This relatively advanced technology uses the satellite-based Global Positioning System (GPS) to provide location information for any object on earth, provided the object is equipped with a receiver.

This network of 24 satellites was originally put in place by the US Department of Defense for military operations, but has since been made available for civilian use.

GPS satellites orbit the earth twice daily and transmit signals back to the millions of GPS receivers here on Earth. These receivers use a technique known as triangulation to calculate the receiver user’s exact location.

If the receiver is able to pick up signals from four or more of the orbiting GPS satellites, a GPS receiver can calculate the user’s 3D position. When the position is known, the receiver can then calculate other statistics such as speed, route, distance to destination, and more.