Could A Home Security System Interfere With My Home Theater System?

I recently installed a wireless home security systems (ADT), and now I am noticing a clicking emanating from my home theater system. I am wondering if it is caused by the new security, and if so, how can I fix it?
A bit of detail on the clicking: it is similar to, but not the same as, the phone interference caused by certain (GSM) phones.

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5 response on “Could A Home Security System Interfere With My Home Theater System?

  1. This is one of the many reasons I stay away from Wireless Security Systems. The thing is, the industry is well aware of the problems wireless security systems cause. Unfortuntately the ease of installation and quick monitoring revenues tends to win out over providing a decent system.
    I’m not going to profess to being an expert in home theatre, I don’t know where the interference is entering the system. If you have RF audio or video transmission I could see that as the culprit. As for changing the frequency, I don’t know if this can be done but if so, that might just fix your problem.
    Another solution would be to block RF out of the media room, although costly, metal walls might do the trick.
    Honestly, I would suggest you contact the company who sold you the system. If you are positive the alarm system is causing the problem, they can test it out by powering the ENTIRE system down. This includes the wireless door contacts, motion sensor and anything else that would be sending that pulse. If the problem goes away, tell them to make the system go away. Opt for a hardwired security system. Yes there is more work involved in the installation, but the quality is better.

  2. Your home Theatre and Security systems are running in the same band width, approximately 1.8Ghz .. You might be able to change the band width on your Home Theatre but not on your security system. Your Home Security system can also interfere with any wireless device ie computer in your home as well and vice versa…

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