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Wireless Alarm System Receiver

A newer type of wireless home alarm system is the “plug-n-play” system for apartments and smaller homes. These combine video, security, and home automation in a single device.
They are affordable, unobtrusive, and operate automatically for the most part. Learn more about apartment security system plug-and-play solutions.

A security alarm is a system designed to detect intrusion – unauthorized entry – into a building or any other area which you as the owner want to be guarded. These Security alarms are used in residential, commercial, industrial, and military properties for protection against burglary (theft) or property damage, as well as personal protection against Intruders. In the same way, car alarms help protect vehicles. These alarm systems are also used in Prisons to control inmates.

These alarm systems serve a single purpose burglary protection; combination systems provide both fire and intrusion protection. Intrusion alarm systems may also be combined with closed-circuit television surveillance (CCTV) systems to automatically record the activities of intruders and may interface to access control systems for electrically locked doors. Systems range from small, self-contained noisemakers, to complicated, multi-area systems with computer monitoring and control. It may even include two-way voice which allows communication between the panel and the Monitoring station.

There are many types of alarm systems but the most basic alarm consists of one or more sensors to detect intruders, and also has an alerting device to indicate the intrusion. However, a typical premises security alarm employs the following components:

Components of a Premise Control Unit;

These Premises control unit (PCU), Alarm Control Panel (ACP), or simply panel: is the “brain” of the system, it reads sensor inputs, tracks arm/disarm status, and signals intrusions. In modern systems, this is typically one or more computer circuit boards inside a metal enclosure, along with a power supply.

Sensors: These are devices that simply detect any intrusions. Sensors are often placed at the perimeter of the protected area, within it, or both. Sensors can detect intruders by a variety of methods, such as monitoring doors and windows for opening, or by monitoring unoccupied interiors for motions, sound, vibration, or other disturbances.

Alerting devices: These send a signal in form of an alarm condition. Most commonly, these are bells, sirens, and/or flashing lights. Alerting devices serve the dual purpose of warning occupants of intrusion and potentially scaring off burglars. These devices may also be used to warn occupants of a fire or smoke condition.

Keypads: They are Small devices that are typically wall-mounted and function as the human-machine interface to the system. In addition to buttons, keypads typically feature indicator lights, a small multi-character display, or both.

Interconnections between components. This is also important as it may consist of direct wiring to the control unit or wireless links with local power supplies.

Below are common Parts of Wireless Security Alarms:

  • Main control panel and receiver
  • Keypad(s)
  • Wireless door and window transmitters
  • Wireless motion and/or glass break detectors
  • Wireless smoke detectors
  • Wireless key fob remotes
  • The Main Control Panel in wireless security systems often combines control functions with a radio receiver, either separate or built-in. It connects to keypads to operate the control and processes radio signals sent by all of the transmitters in the system. Based on these signals, the panel detects a normal, alarm, low battery, and other conditions.

Keypads can be wireless, hardwired, or both, depending on the system. Most wireless panels need at least one hardwired keypad in the system for proper operation. Additional wireless keypads are optional.

Door and Window Transmitters are used at each opening. These can be attached with screws or sticky tape, and have removable covers for battery access.

Wireless Motion Detectors work almost like hardwired models, sensing infrared (heat) energy. They have one big difference: To conserve battery power, they are designed not to transmit more often than a set interval, usually every few minutes. This keeps them from running dead as they sense the normal activity of the occupants.

Wireless Glass Break Detectors operate just like hardwired glass breaks, listening for specific sound frequencies made by breaking glass.

Wireless Smoke Detectors use the same technology as wired units and provide the same level of fire protection. Keep in mind that adding smoke detectors may entitle you to a discount on your homeowners’ insurance.

Wireless Remote Pennants and Key fobs are popular additions. They allow portable arming, disarming, and other basic functions without having to be near a keypad.

Below are the Advantages of Wireless Home Alarms:

  • A wireless home security alarm system can be installed in almost any type of house, with no attic or basement access needed. For the same reason, devices like motion and glass break detectors can be placed in the ideal spot in each room to pick up activity. Hardwired systems require some path to run wires. Even then, hardwired equipment must sometimes be “fudged” to less-than-perfect locations because of limited wiring access.
  • A wireless burglar alarm is typically faster and easier to install than a hardwired system. This saves time and labor and makes these systems a good choice if you’re going the DIY route. Do-it-yourself security systems are widely sold in kit form and don’t require any special skills or tools to install.
  • Most wireless home alarm systems have the option of a portable key fob or pendant. These can be used to arm and disarm the system from anywhere inside the house, and for a short distance outside it. Wireless key fobs and pendants often have a built-in panic button. This feature allows you to sound the alarm and summon help if you’re approached as you enter or leave the house. See the whole story at Wireless Burglar Alarm Systems Made Even Better! by adding wireless remotes.
  • Remember that a wireless home alarm system can be removed, so you can take it with you when you move out.


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