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Analyzing 433 MHz Transmitters with the RTL-SDR
Over on his blog, Yashin has written a post showing how to analyze 433 MHz transmitters using several methods. Devices that transmit using low power 433 MHz are common and often include devices such as...
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Using Xastir with the RTL-SDR
Xastir is a Linux based program that is used for plotting Automatic Packet Reporting System (APRS) data on a map. APRS is is type of packet radio system used by ham radio for real time local area...
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Using an RTL-SDR and TI Chronos RF Wristwatch to Copy a Garage Door Opener
At Tel-Aviv University in Israel, two students undertook a class project where they were able to use an RTL-SDR to record a garage door opener signal and then use a Texas Instruments (TI) Chronos watch...
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Hak5: Using A RTL-SDR To Learn About The GSM Network Around You
The popular YouTube electronics channel Hak5 has uploaded a video showing how they analyzed GSM signals using an RTL-SDR, Wireshark and Airprobe. In their video they use parts of our analyzing GSM...
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Decoding NXDN using DSD+ and an RTL-SDR
Over on YouTube user John Miller has uploaded a video showing an example of DSD+ decoding an NXDN96 voice signal. NXDN is a digital voice protocol by developed by Kenwood that is often used by public...
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Hacking a PlayStation 3 using an RTL-SDR
There is a war going on between game console designers and the console modding community. Modders hack the console system so that they can jailbreak it and then install their own custom firmware while...
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Two New SDR# Plugins Released: ShortWave Info and DCS Decoder
Recently two new SDR# plugins have just been released. The first is a plugin which shows the name and language of the shortwave station that is currently tuned in using data from short-wave.info. It...
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RTL-SDR Tutorial: Receiving Meteor-M N2 LRPT Weather Satellite Images with an...
The Meteor-M N2 is a polar orbiting Russian weather satellite that was launched on July 8, 2014. Its main missions are weather forecasting, climate change monitoring, sea water monitoring/forecasting...
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Analyzing a Car Security Active RFID Token with a HackRF
Some car security systems from around 2001 – 2003 use an embedded RFID tag inside the car key as an added security measure against key copying. Using his HackRF, ChiefTinker was able to analyse and...
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DSD+ Version 1.5 Released
Version 1.5 of Digital Speech Decoder Plus (DSD+) has been released. DSD+ is a popular Windows software tool used for decoding digital speech such as P25 with the RTL-SDR. The latest version comes...
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RTL-SDR Tutorial: Listening to TETRA Radio Channels
TETRA is a trunked radio communications system that stands for “Terrestrial Trunked Radio”. It is used heavily in many parts of the world, except for the USA. Recently, a software program called Tetra...
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Sniffing and Analyzing GSM Signals with GR-GSM
Over a year ago we wrote a tutorial on how to analyze GSM cellular phone signals using a RTL-SDR, a Linux computer with GNU Radio, Wireshark and a GSM decoder called Airprobe. With this combination it...
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New Windows AIS Decoder For the RTL-SDR: AISRec
Over on YouTube user Jane feverlay has uploaded a video showing a new AIS decoder called AISRec for Windows that he has developed. AIS is an acronym for Automatic Identification System and is a system...
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Monitoring House Power Usage using an RTL-SDR
Home automation enthusiast Bruce Winter has recently posted on his blog about how he uses the RTL-SDR as part of his home automation system to automatically monitor his power (and solar power...
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Listening to FreeDV Digital Speech with an RTL-SDR
Over on YouTube user BSoD Badgers has uploaded a video showing his reception of FreeDV digital speech at 14 MHz. He uses SDR# combined with the FreeDV software to decode the signal. FreeDV is a open...
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Receiving WSPR with the RTL-SDR
Recently RTL-SDR.com reader DE8MSH wrote in to let us know about his experiments with receiving WSPR with his RTL-SDR. WSPR is an acronym for “weak signal propagation reporter” and is a software...
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SDR on TV: Using SDR to Break into Homes with Wireless Alarms
Earlier this year the American TV show Good Morning America featured a segment on software defined radios being used to break into houses with wireless alarm sensors. The story is based on a Defcon...
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Digital Ding Dong Ditch – Hacking wireless doorbells with Arduino and RTL-SDR
Over on YouTube user Samy Kamkar has uploaded a video showing how he was able to use an RTL-SDR to copy his friends wireless doorbell signal and prank him by replaying it using an Arduino and 433 MHz...
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Chaos Communications Congress Talks – Iridium Pager Hacking
A few days ago the Chaos Communications Congress (a technology and hacking focused conference) commenced. Amongst the talks there was one about reverse engineering the Iridium satellite paging system...
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Listening to EPIRB Distress Beacons with the RTL-SDR
Over on YouTube user Tom Mladenov has recently been using his RTL-SDR to listen to EPIRB distress beacons transmitted by the SARSAT payload carried by the NOAA 18 satellite. To do this he uses a 6.5...
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