Posts Tagged ‘GNU radio’

Sniffing GSM traffic with HackRF and GNU Radio

Saturday, June 13th, 2015

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Posted in code, hacks, SDR, tutorials | No Comments »

Sniffing Crazyflie’s radio with HackRF blue

Friday, June 12th, 2015

arnaud acquired a HackRF Blue and has been busy coding up a GNURadio project for analyzing Crazyflie radio transmissions. Crazyflie is a nano quadcopter/drone controlled over a wireless link. The Crazyradio is the official radio dongle for the Crazyflie Nano Quadcopter. It is a 2.4GHz USB radio dongle based on...

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Posted in code, reversed, RF, wireless | No Comments »

Reverse engineering a Verisure wireless alarm

Tuesday, December 9th, 2014

Here's an informative two-part series of posts over at FunOverIP detailing how to reverse engineer a Verisure wireless alarm. Part 1 details the beginning steps such as finding the modules radio frequency and modulation type, analyzing the chipset datasheet and using GNU Radio.

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Posted in reversed, RF, SDR, security, sensors, wireless | 2 Comments »

Tutorial: GNU Radio with the HackRF SDR

Friday, August 22nd, 2014

Michael Ossmann, one of the developers of the amazing and affordable HackRF SDR transceiver, is releasing a tutorial series on using GNU Radio. "This ongoing video series will be a complete course in Software Defined Radio (SDR). In this course, you'll build flexible SDR applications using GNU Radio through exercises...

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Posted in open source, RF, SDR, tutorials | 3 Comments »

Tutorials: GNU Radio for beginners

Monday, July 14th, 2014 has been revamping their website, updating information on the latest release. As part of this process Marcus has posted a new seven part tutorial series on GNU Radio. "Our task is to build a beginner-level tutorial, which will then live on the static part of the web site. Someone...

Posted in open source, SDR, software, tutorials | No Comments »

Analysing 433 Mhz transmitters with RTL-SDR

Wednesday, June 25th, 2014

Yashin has posted this tutorial at ArcanumX demonstrating how to read and decode 433 MHz digital data transmissions. "I intend to demonstrate how the RTL-SDR can be used to sniff 433 Mhz transmitters. These are pretty cheap and can be found in a lot of appliances including alarm sensors. This...

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Posted in code, digital radio data, Linux, open source, SDR | No Comments »

Hak5 video: quadcopter with WiFi enabled Linux computer and RTL-SDR

Monday, April 21st, 2014

What happens when you send up a quadcopter equipped with a Linux box, WiFi and an RTL-SDR dongle? Darren and company from Hak5 decided to find out. Their project used the SDR to receive ADS-B signals from aircraft hundreds of miles away. The Hak5 team took a quadcopter up on...

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Posted in hacks, Linux, RF, SDR, wireless | 4 Comments »

How to make your own custom GNU Radio blocks – the C++ way

Sunday, April 13th, 2014

If you're a GNU Radio user you know that most of the functions you need are contained the stock group of GNU Radio blocks. However, there are times when you may want to code up a custom block to perform a unique function not found on the stock blocks. Jean-Benoit...

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Posted in code, how-to, SDR, tutorials | No Comments »

Nutaq’s SDR project idea contest

Wednesday, March 19th, 2014

Tristan Martin from Nutaq writes to inform us of their academic contest (US only) for winning a PicoSDR kit with MIMO OFDM ref design (FPGA), it supports GNU Radio (GigE and PCIe). "You can submit with an existing (ongoing) project, it doesn't have to be a "new" project. We do...

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Posted in code, contest, SDR | 5 Comments »

Video tutorial: OFDM packet transceivers with GNU radio

Tuesday, March 18th, 2014

Orthogonal frequency-division multiplexing or OFDM is a method of encoding digital data on multiple carrier frequencies. At this presentation from them recent FOSDEM 2014 conference in Brussels, Martin Braun explained the use of GNU Radio software and an SDR transceiver to explore OFDM block basics, how to set up links...

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Posted in RF, SDR, tutorials, Videos | No Comments »

Academic paper: hacking with RF replay attacks

Saturday, March 1st, 2014

If you're new to RF hacking you may have heard the term "replay attack" and wondered what it takes to implement one. In this academic presentation Practicing a Record-and-Replay System on USRP a group of researchers from the Shenzhen Key Lab of Advanced Communications and Information Processing and Shenzhen University,...

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Posted in hacks, how-to, open source, RF, SDR, security | No Comments »

GRCon13 video: Some More of Your RFz Are Belong to Me

Wednesday, December 4th, 2013

At the recent GRCon2013, SDR guru Balint Seeber delivered this presentation on using GNU Radio to create new blocks and prototype flowgraphs relating to FasTrak RFID (used in traffic toll collection system), MUltiple SIgnal Classification (MUSIC) Direction Finding, RADAR Detection and Multi-channel Decodings.

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Posted in RF, SDR, Videos | 1 Comment »

Update: HackRF based SmartNet radio monitor

Sunday, November 10th, 2013

We previously posted about the GNURadio based scanner for SmartNet II digital radio systems. Now Luke Berndt has updated his project info and has posted samples of the decoded system audio online. It has taken a lot of futzing, but I have my HackRF recording the Washington DC's Fire Dept...

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Posted in digital radio data, open source, SDR | No Comments »

Intro to Software Defined Radio (SDR) using cheap TV tuner dongles

Monday, October 21st, 2013

If you see posts relating to USB dongle SDR's and wonder what everyone's talking about, this video is for you. In this presentation from last weekend's Hack3rCon 4 conference in Charleston, WV, Justin Rogosky covers the basics relating to using the familiar RTL-SDR TV tuner dongles to monitor obscure portions...

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Posted in RF, SDR, Videos | No Comments »

Receiving, decoding and decrypting GSM with RTL-SDR

Thursday, October 17th, 2013

Domi007 has been experimenting with using the RTL-SDR dongle to receive and analyze GSM signals for research and academic purposes. He has posted a four parttutorial explaining his use of GNU Radio companion, Wireshark and other open source software to receive and analyze and decode GSM packets. The above link...

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Posted in digital radio data, how-to, open source, SDR | 4 Comments »

GNU Radio LiveDVD

Wednesday, October 9th, 2013

A new release of the GNU Radio LiveDVD has been announced. Release 2013-0926 is based on the Ubuntu 12.04.3 LTS 64-bit operating system and is a bootable SDR environment suitable for demonstration and experimentation, contained on a read-only medium. This release now includes GNU Radio 3.7.2, gqrx v2.2.0-25, gr-air-modes, gr-iqbal,...

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Posted in open source, SDR, software | 6 Comments »

GNURadio based scanner for SmartNet II digital radio systems

Tuesday, September 24th, 2013

Luke Berndt posted on the HackRF-dev forum: "I built a Scanner app so I could use my HackRF to listen to my local fire department. It should work for any Moto SmartNet trunking systems that uses P25 CAI for the voice channels. It is based off the gr-smartnet code and...

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Posted in code, digital radio data, open source, SDR | No Comments »

DSD block for GNU Radio

Wednesday, August 28th, 2013

Luke Berndt from the HackRF-dev forums has posted his work to make the functionality of DSD available to GNU Radio users in the form of a GRC block. "I have been playing around a bit and found an easy way to receive and playback digital LMR. More and more of...

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Posted in digital radio data, open source, RF, SDR, software | No Comments »

RDS reception using RTL-SDR dongle

Saturday, July 20th, 2013

If you have a RTL-SDR dongle and Windows machine you might want to try out this simple project. It's a proof of concept using an Ubuntu machine with GNU Radio Companion to obtain the RDS signal from the FM broadcast. Then the data is sent over TCP to a Windows...

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Posted in digital radio data, SDR | 9 Comments »

GNU Radio 3.7 released

Sunday, July 7th, 2013

The GNU Radio team has announced the release of version 3.7. "This is a major new release of GNU Radio, culminating a year and a half of side-by-side development with the new features added to the GNU Radio 3.6 API. With the significant restructuring that was occurring as part of...

Posted in News, open source, SDR, software | 1 Comment »

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