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Radio

8 posts filed here.

Posts

8 posts
  1. Trunked Radio: A Guide
    Trunked Radio: A Guide
    Radio

    TLDR; You can listen to all of the San Francisco CERS (Public Safety) Trunked system at https://openmhz.com/system/sfcers_am , this guide will show you how you can do the same for it or another tru...

  2. Remote jamming "detector" on the cheap
    Remote jamming "detector" on the cheap
    Radio

    Recently, I've seen a number of posts on Facebook groups for South African communities about people having their car remotes jammed and the contents of their cars cleaned out while they are at petr...

  3. Bypassing Rolling Code Systems
    Bypassing Rolling Code Systems
    Radio

    This blog post will discuss the implementation of Codegrabbing / RollJam, just one method of attacking AM/OOK systems that implement rolling codes (such as keeloq) -- these systems are commonly fou...

  4. Hacking fixed key remotes with (only) RFCat
    Hacking fixed key remotes with (only) RFCat
    Radio

    Introduction Its been absolutely ages since I've posted anything on the blog, not that I havent been doing things, just really not many things I felt good enough to write an entry about. I got a lo...

  5. ZaCon V Badge [2/2]: How they work
    ZaCon V Badge [2/2]: How they work
    Hardware Hacks

    The ZaCon badges were a ton of work on the hardware side (see ZaCon V Badge [1/2]: Build Time ), however they provided their own challenges on the software side as well. Since my knowledge of chips...

  6. Bypassing LF Entry Systems
    Bypassing LF Entry Systems
    Radio

    Its taken a lot of motivation to start writing this, and I hope its okay, I have a mental block that I need to write this and the second post about magstripes before moving on to some new things wi...

  7. Hacking fixed key remotes
    Hacking fixed key remotes
    Radio

    Previously I discussed using my RTL-SDR to merely listen for analog audio signals . In this entry I'll discuss using it to decode digital signals (this example on fixed remote signals often used fo...

  8. RTLSDR: My First SDR!
    RTLSDR: My First SDR!
    Hardware Hacks

    A few weeks ago (I've been meaning to do this post for ages, few weeks ago is give or take 2 months) there was a post on reddit regarding a new software defined radio that cost around $20. After re...