![]() Z-Wave was designed from day one to be robust and reliable. Regardless of the reality of the situation, the bad press of having an easy to jam security system can crater a company. ![]() However, if it’s easy enough and cheap enough, a burglar might just try! CNET demonstrated just how easy it is to use a $3 transmitter to bypass a popular security system using a cheap RF transmitter. A burglar will simply bash in a window or door or more often simply walk in an unlocked door. ![]() The FBI doesn’t even track the numbers of burglaries via jamming – one would assume because the number is essentially zero. The reality of the situation for a security system is that it is unlikely a burglar will try to bypass your security system by jamming it. UL1023 is the US standard for Safety Household Burglar-Alarm Systems. Security systems however are very concerned about jamming to the point that Underwriters Laboratory has a specification for it. Z-Wave is interoperable, easy to use, low-power and the mesh networking protocol means users or installers don’t have to be concerned with getting everything to talk to everything else as the protocol automatically handles (mostly) everything. After all, if someone wants to jam your house from turning on the kitchen lights at night, what’s the point other than to get a laugh when you bang your knee into the table? Z-Wave has enjoyed a great deal of success in the security system market. Jamming applies primarily to security systems. In this post I’ll explain how to jam Z-Wave and also how to detect and inform the user that jamming has occurred. The same thing can happen in Z-Wave where a “bad actor” brings a small battery powered transmitter and blasts out RF in the same frequency bands that Z-Wave uses. Your conversation stops because your friend simply can’t hear you above all the noise. Think of a busy street corner where you and a friend are having a conversation and a firetruck with their sirens blareing go by. The protocol doesn’t even have to be radio frequency (RF) based as Infra-Red (IR) and any other communication medium that travels thru the air can be jammed by blasting out noise in the same spectrum as the protocol. All wireless protocols can be jammed often using an inexpensive battery powered transmitter.
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