Wireless Security System Overview | Home Security
By AlastairLydeard
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The villians in many horror films have it easy. They just snip the wires leading to a telephone or home alarm system, and the system is rendered useless. Scary enough, but it is even scarier to think this could be true of your home as well. The answer is to protect your family and home against break-ins with a wireless security system.
A burglar alarm without wires is the simple explanation for a wireless home security system. They communicate with radio waves instead of over wires. Thus the burglar is unable to determine which wires to cut to disable the alarm.
There are two kinds of wireless burglar alarms on the market. The first type is activated when the alarm is tripped, but only the homeowner or neighbors can hear the alarm. This kind of system doesn't make a whole lot of sense if you live in a rural area and are away from home when a break-in occurs. Another kind of wireless security system uses a monitoring device that will communicate a forced entry to a security company. When the alarm is triggered, the security company will check to see if it's a genuine break-in; if it is, they will call immediately to dispatch the local police.
The central brains of a wireless security system is the control panel, which can usually be located in the basement or a closet. Here, all the wireless signal data from the various magnetic switches and motion detectors in the home is sent. If the control panel detects a suspicious movement or door or window entry, it will sound the alarm or place a phone call to the monitoring staff at the security company.
Throughout the home, inconspicuous magnetic contacts and switches are attached to doors and windows. These consist of two parts: a magnet on the door or window, and a switch placed on the door jam or window sill. They simply detect movement by noting an increase in the distance between the switch and the magnet, which only occurs if a door or window is opened or forced open. The switch sends a wireless signal to the control panel, which sets off the alarm.
Large hallways are sometimes equipped with body sensors as part of a wireless security system package. These devices use passive infrared motion detection methods to sense motion or body heat. If motion is detected, a signal is sent to the control panel. At that time the panel will analyze the level of threat, and then decide whether to alert the central monitoring station.
Every wireless security system comes equipped with a keypad, which is used by the homeowner to activate or deactivate the system. The keypad is normally installed next to the entry door, allowing the owner easy access to arm the system when leaving home, and disarm the system upon returning. Remote keys, much like a car alarm, can also be used to operate a wireless alarm system. The homeowner can also use the remote controller to switch lights on from a distance, giving the illusion that someone is occupying the house.
Some wireless security systems also come with cameras, which can be all mounted or hidden. The cameras connect to a control panel and a recording device, such as a VCR. If an intruder is detected, the cameras record the home scene automatically. Some packages also include camera monitoring by security staff at the alarm system company.
If you've decided to invest in the peace of mind and security of a home security system, be sure to consider the added advantages of a wireless system. The advanced features and stronger security may make it your best choice.
About the Author
Alastair Lydeard writes for several popular web sites, on family web sites and truck parts subjects.
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