Radio Frequency Hack

Cell phone jammers, a DIY endeavor for the darker crowd. I'm pretty sure we've all considered having one at some point: whether the obnoxiously loud woman next to you is announcing private bedroom stories to a crowd on the subway, or your kids are grounded from using the phone ...more

In our first part on software-defined radio and signals intelligence, we learned how to set up a radio listening station to find and decode hidden radio signals — just like the hackers who triggered the emergency siren system in Dallas, Texas, probably did. Now that we can hea ...more

On April 7, 2017, residents in Dallas, Texas, woke to the sound of emergency sirens blaring all over the city. No one could shut them off, and after repeated efforts to contain the situation, the city had to shut down the entire system. While the media reported a sophisticated ...more

Hardware hacks are something I feel we don't get enough of at Null Byte, so today I figured I would introduce a fun one. I've always been a curious hardware hacker. Taking things apart and learning how their internals work has always been a part of my nature. Quite some years ...more

Our good friend Kipkay is at it again! He has earned six figures from videos like HowTo Unlock Handcuffs and HowTo Make a Stink Pen Here he teams up with Howcast to deliver the ultimate treasure hunter's secret weapon: a metal detector. This homebrew hack combines the AM freq ...more

Wi-Fi networks come in two flavors: the more common 2.4 GHz used by most routers and IoT devices, and the 5 GHz one offered as an alternative by newer routers. While it can be frustrating to attack a device that moves out of reach to a 5 GHz Wi-Fi network, we can use an Alfa d ...more

We've all been there — using Google Maps for navigation and waiting for the app to find our location. As we drive around, we keep hoping it will get a lock in time to make the next turn. Well in the US, we finally have a solution to this problem, and it's the OnePlus 7 Pro. T ...more

Welcome back, my hacker trainees! A score of my readers have been begging for tutorials on how to hack Wi-Fi, so with this article, I'm initiating a new series dedicated to Wi-Fi hacks. This will probably be around 6-9 articles, starting with the basics of the technologies. I ...more

For the uninitiated, it can be difficult to buy that special hacker in your life a perfect holiday gift. That's why we've taken out the guesswork and curated a list of the top 20 most popular items our readers are buying. Whether you're buying a gift for a friend or have been ...more

Today could mark the beginning of a new age in wireless charging. The FCC has certified the WattUp transmitter, a revolutionary technology that could shape the future of smartphone charging. This new tech addresses many of Qi charging's limitations, and if things go right, may ...more

Uh oh. With millions of devices already sold, Apple's latest blunder is bound to upset the owners of some of their brand new iPhone 7 Plus phones. [UPDATE: The issue is present in both iPhone 7 and iPhone 7 Plus devices, not limited to the iPhone 7 Plus model as originally re ...more

Apple caught a lot of flak for removing the headphone jack in their iPhone 7 models, but they definitely got the last laugh when preorders with a delivery date of September 16 sold out within minutes. Headphone jack or not, the iPhone 7 and 7 Plus are still highly desirable pr ...more

Remember the good ol' days when you actually had to swipe your credit or debit card to make a payment at the store? Now all it takes is a flick of the wrist to purchase goods with your card, thanks to RFID (radio-frequency identification) technology from Chase (blink), Visa (p ...more

If you're in the market for a new smartphone, you'll likely scan spec sheets and read reviews of the top phones, compare display size and technology, RAM amount, and processors. But one factor that is often overlooked is cell reception — and for T-Mobile subscribers, there's o ...more

As much as streaming services like Apple Music and Spotify have dominated the music industry, radio is still alive and well. And why wouldn't it be? Free music, 24/7? It's a great deal. That's why it's so cool that your iPhone can instantly tune in to your favorite radio stati ...more

We've all been there. Channel surfing lazily whilst reclining on the sofa—then all of a sudden, the remote stops working. Out of frustration, you hold the remote up higher, press the buttons harder, or maybe a even give it a good smack hoping that will fix it. Right around thi ...more

True home automation doesn't require interaction from the user. But let's be real, no system is going to be 100% autonomous. You'll always need a manual override for situations programming can't account for. So what's the best manual override system? I'll tell you right now, i ...more

If you've ever used your iPhone's hidden Field Test mode to view your signal strength in decibel-milliwatts, locate the tower you're connected to, or find out the radio frequency in use, you no longer have to dig through all of the confusing-looking data every time you need to ...more

Apple's first big iOS 17 point update for iPhone just came out, and it includes some of the features initially planned for the iOS 17.0 release last September. But there's much more to iOS 17.1 than that — exciting new features and changes are hiding within Books, Music, Stand ...more

In music production the producer have to know about sound waves. This are something they should know. This is also part of a big part of Physics. Frequency: The rate at which something occurs or is repeated over a particular period of time or in given samples Pitch: The qua ...more

16-year-old Alexander Kendrick has invented a low-frequency radio that allows for cave-texting, meaning deep underground cellular communication. Says Engadget, "Alexander's team of intrepid explorers went far enough (946 feet) to record the deepest known digital communicatio ...more

One of the creepiest musical instruments ever is undoubtedly the theremin, a device originating from the early 20s that emits eerie sounds with a just a wave of the hand. If you've seen the original movie The Day the Earth Stood Still, you know what I mean—freakishly creepy. P ...more

What if your fridge knew your food and expiration dates? What if your fridge could tell you which ingredients are missing and where you can get them the cheapest? "In My Fridge" is a project designed to simplify the process of food management. Our focus was on the technical ...more

The recent report of the ubiquity of extrasolar planets coupled with the fact that it bodes well for searches for life friendly Earth twins, brought me back to my reading of Carl Sagan's 1966 Intelligent Life In The Universe and later article in Sky & Telescope where he came u ...more

Everyone from first responders to hotel cleaning staff use radios operating in the sub-megahertz range to communicate, often without even encoding the transmission. While encoding and encryption are increasingly used in radio communication, an RTL-SDR adapter and smartphone ar ...more

New documents reveal that electric car company Tesla has filed a surprising new patent that has nothing to do with batteries or autonomous driving and everything to do with augmented reality. Last week, the company's US Patent and Trademark Office patent application, titled " ...more

While Magic Leap World gets its share of fun apps for playing with Porgs, watching TV, and exploring the ocean's depths, developers are making a strong business case for the Magic Leap One as well. Cue BadVR, a Los Angeles-based startup that was recently highlighted as one of ...more

You can use Twitter to print Instagram photos, track news and weather events, or even remotely shut down your computer, and if you're familiar with IFTTT, there's no shortage of ways your account can help automate your life. Or, if you just want to build something cool (pract ...more

General Motors Co. (GM) is set to expand their fleet of driverless cars in San Francisco, Detroit, and Scottsdale, according to documents filed by the company. IEEE Spectrum reports that the expansion process could commence as early as next month, as evidenced by the document ...more

By connecting the dots between theory and real-life effect, two new studies offer more proof that neonicotinoid insecticides are causing extensive damage to honeybee colonies. Research studies have linked neonicotinoid insecticides to damage to honeybee colonies, while agricu ...more

Admittedly, we've been quite hot on Kipkay lately, but can you blame us? This guy just keeps rolling out the wild inventions and bold pranks! A motion triggered spy cam is high level 007 stuff. Here's the scenario. You suspect your new roommate is eating your food, but you n ...more

Malevolent hackers can divert your incoming calls and texts to any number they want, and they don't need to be a criminal mastermind to do it. Even friends and family members can reroute your incoming calls and messages so that they know exactly who's trying to reach you, and ...more

The Federal Communications Commission (FCC) has cleared a path for Google to move forward with hand-tracking technology that could pose a major threat to Leap Motion. In an order issued on Monday, the FCC granted Google permission to run its Project Soli, a sensor that can de ...more

Samsung's exclusive music streaming service, Milk Music, has been making waves across the web thanks to its peculiar name and ad-free stations. Only problem is, not everyone has a Samsung device. If you want to get in on the action, we've got a way to get Milk Radio on your r ...more

Since the Razer Phone's announcement in 2017, we've seen a new subgroup of phones emerge. Gaming phones are now a thing, leading to companies like ASUS creating phones that are thoroughly optimized for the mobile gaming experience. And with their second iteration, they perfect ...more

While many people may use Bluetooth every day, the majority don't know how it works or that it can be hacked. Bluetooth hacking gives a clear window into the world of the target. Nearly every device has Bluetooth capabilities, and people store a great deal of personal info on ...more

Most new stereos come with an auxiliary port built in, but if you drive an older car, you're usually stuck with the radio or CD player, and we all know both of those options suck. So, rather than paying the $95 fee the dealership wanted to charge, or replacing the stereo alto ...more

An incredible amount of devices use Bluetooth or Bluetooth Low Energy to communicate. These devices rarely have their radios switched off, and in some cases, are deliberately used as trackers for lost items. While Bluetooth devices support MAC address randomization, many manuf ...more

Back in March, Samsung partnered with Slacker Radio to create a streaming service called Milk Music. For those of us who don't own a Galaxy device, this news was a non-starter, as it was exclusive to Samsung's flagship line of phones and tablets. Since then, mods have made Mi ...more

Ever feel like you're receiving notifications way too late on your Android device? Many Android apps use Google's Cloud Messaging service to send and receive notifications, including Hangouts, Gmail, Pushbullet, Facebook, and even WhatsApp to an extent. To ensure that your ph ...more