Wireless home security systems are a popular choice for homeowners. But as technology advances, so do the techniques thieves use to get into your home.
Jammers are signal-blocking devices that transmit synchronous radio waves or jamming signals at the same frequency as devices such as cell phones. Since most wireless alarm systems use RF signals, thieves can use jamming devices to interrupt the radio signal. While jammers are typically used to protect individuals or businesses from hackers, they can also be used to disarm wireless security systems.
Cell phones: cell phone jammer transmit signals at the same frequency as cell phones, which blocks cell phone service and prevents mobile devices from making calls or sending text messages. If the mobile jammer is working, your phone will not display a network signal.
WiFi: WiFi jammers create noise to block WiFi connections and prevent people using WiFi devices from connecting to 3G, 4G, GPRS, or wireless WiFi networks.
GPS: GPS jammers are used to block satellites or spy devices in the 1500-1600 MHz range. It is often used to divert surveillance or espionage.
signal jammers are illegal unless you are an operator entitled to possess a licensed jammer. This is because they pose a risk to the public by disrupting basic communications. However, despite the federal law, it is still possible for criminals to illegally obtain these devices and use them for their own purposes. That's why it's important to understand how these transmitters affect your security and what steps you can take to protect yourself.
Can the cell wireless alarm be shielded? Wireless home security systems transmit RF signals between sensors placed around your home to send alerts to alarm companies in the event of suspicious activity. If a potential thief can determine the type of security system you have and how often the wireless signal is operating, it's possible they could use a jammer to disable or block it.
The same goes for professional monitoring systems. Real-time CCTV works via WiFi connection; When the jammer generates white noise to block the connection, it won't be able to see or monitor who is entering your home.
While a jammer is suspected in a recent break-in outside Philadelphia, it is highly unlikely that a criminal used a jammer to enter your home. Burglaries are rarely premeditated or carefully planned. Instead, they are random and opportunistic crimes.
Many home security systems also have anti-jamming features built into the security panel. The panel detects when signal noise exceeds a threshold - indicating possible interference - and triggers an alarm to alert the owner or notify the monitoring company. For wireless home security systems that are also configured to report over a data or phone line, cellular interference signals can be sent to a monitoring station as soon as they are detected. Simplisafe has an algorithm that separates RF interference from targeted interference attacks.
Installing an active security system in your home is the best way to reduce the risk of burglary. Although every system has its vulnerabilities, always compare features when shopping and consider the type of valuables you keep in your home. As an extra layer of security, lock doors and Windows when you are not at home and use motion-sensing lights to deter intruders.
