Heads up on those new wireless sensors from the big box stores

Got a call last week for a false alarm at a house I wired in Phoenix. The homeowner bought a cheap wireless door sensor from a hardware store and tried to add it to their existing panel. It kept going off every 20 minutes, day and night. I figured it was a bad battery or a pairing issue, but after an hour of testing, I found the problem. The sensor was using the same frequency as the homeowner's new smart garage door opener, causing constant interference. I swapped it out for a proper, system-compatible sensor and the problem stopped cold. It was a simple fix, but it ate up a whole afternoon. Has anyone else run into weird interference from other smart home gadgets lately?

3 comments

3 Comments

linda3352mo ago

I get what you're saying about the garage door opener, but in my experience, that's just one piece of it. The real issue is that a lot of these store-bought gadgets are not built to last or play nice with other systems. They use the cheapest parts to hit a price point. I've seen the same interference happen with wifi routers and even baby monitors. Trying to save a few bucks upfront can cost you more in service calls later.

the_hannah2mo ago

Wasn't there a whole thing about certain wireless signals all using the same crowded frequency? Makes you wonder why they even sell stuff that's basically designed to fail.

lucas_grant8328d ago

Oh man, that exact garage door interference thing bit me too. I had a client who couldn't figure out why their sensor kept tripping, and we finally realized their new smart opener was blasting the same signal every time it moved. Swapping to a different brand sensor that uses a cleaner frequency fixed it right up, no more ghost alerts.