Hundreds of fans jammed the airport to greet them.

There is a traffic jam on king street.

Wireless security providers will often take steps to help combat the threat of jamming attacks.

When the system thinks it's being jammed, it'll notify you via -94- push alert ( ' , 推送警报).

Then, he's going to need to know the technical details of your system and acquire the specific equipment necessary for jamming your specific setup.

The team at Frontpoint addresses the issue in a blog on its site, citing their own jam protection software and claiming that there aren't any documented cases of successful jam attack since the company began offering wireless security sensors in the 1980s.

That approach will eliminate most cord-cutting concerns—but what about their wireless equivalent, jamming? With the right device tuned to the right frequency, what's to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station?Jamming concerns are nothing new, and they're not unique to security systems.

So, too, would the motion detectors in your home, so the thief will need to continue jamming once he's inside and searching for things to steal.

SimpliSafe, winner of our Editor's Choice distinction, utilizes a special system that's capable of separating incidental RF interference from targeted jamming attacks.

SimpliSafe was singled out in one recent article on jamming, complete with a video showing the entire system being effectively bypassed with handheld jamming equipment.

SimpliSafe provides devices that are able to distinguish incidental radio interference from targeted jamming attacks.

Other systems also seem confident on the subject of jamming.

Jamming attacks are absolutely possible.

It's easier to find and acquire jamming equipment for some frequencies than it is for others.

It is possible for burglars to make jamming attacks with the necessary equipment and skill.

He'll need to be jamming you at this point, as a broken window or opened door would normally release the alarm.

For comparison, let's say you wanted to jam a conversation between two people—all you'd need to do is yell in the listener's ear.

But how probable is it that someone will successfully jam their way into your home and steal your stuff?Let's imagine that you live in a small home with a wireless security setup that offers a functional anti-jamming system.

As said before, with the right equipment and the right know-how, it's possible to jam any wireless transmission.

A burglar has to continuously jam the wireless security device to avoid triggering the alarm, both inside and outside the house.

To prevent possible traffic jams in nearby areas.

Jane may be caught in a traffic jam.

But how probable is it that someone will successfully jam their way into your home and steal your stuff?

For comparison, let's say you wanted to jam a conversation between two people—all you'd need to do is yell in the listener's ear.

The team at Frontpoint addresses the issue in a blog on its site, citing their own jam protection software and claiming that there aren't any documented cases of successful jam attack since the company began offering wireless security sensors in the 1980s

Traffic jam leads to expense and unpredictability, things that keep investors away.

The music service This Is My Jam helps people navigate the tens of millions of tracks now available instantly via Spotify and iTunes.

The service was only launched this year, but by the end of September 650,000 jams had been chosen.