SIGpi VS urh

I have done alot of work with SDR and SIGINT in building SIGpi for both ARM64 and AMD64 targeting sub-150 USD platforms. While RPi4 can be adequate for simple uses, it is better to go with AMD64 platform and 4GB RAM minimum. For example, on RPi4 it takes 20 minutes to generate a FFTW Wisdom file (as used by SDRangel) while on AMD64 it is much quicker.

I'm sure DragonOS is awesome as well as others. But what is the update cycle for SIGINT tools like SDRangel. And when there is a a update, do you have to go with a total new image or can you update just the packages? SIGint either builds or has its own debs of newer versions than that from the repos that some distros just pull from. Check out the release notes and wiki from the site.

Discovering all the IoT in my area using the SIGpi build.

>> or somewhat expensive and complex SDR

I don’t think that’s as accurate today as it used to be.

On the hardware side there are tons of options very cheaply available - iirc the flipper uses the c1100 (or a number like that) it’s a popular cheap chip and it’s well documented and interfaces easily with arduino.

More accessibly, lime mini SDRs are cheap but there’s quite a few alternatives too.

On the software side GNU Radio is free with decent tutorials - we’re not talking anything like blender levels of difficulty to adopt even if it is a complex domain.

Although on the more accessible side, urh is incredibly powerful given how easy to use it is https://github.com/jopohl/urh

I used the latter to tap into a 2 channel wireless bbq thermometer via a $10 rtl sdr and that was a breeze, an absolute walk in the park compared to when I reverse engineered the flysky telemetry system.

Universal Radio Hacker on Github

you should check out Universal Radio Hacker

Check out URH.

URH can read flipperzero sub files and can export from wav to sub... https://github.com/jopohl/urh

Throw the recording at UniversalRadioHacker and see what it does with it!

I dont have much knowledge on decoding a signal from scratch but try URH - universal radio hacker here. It might be able to do what you need.

It's useful for transmitting digital RF signals to control household stuff, eg. ceiling fans or whatever. You'd want to also look into rtl-sdr and Universal Radio Hacker.

Tried tool https://github.com/jopohl/urh and it does not get too much information. I am expecting to find something similar to wireshark - it can detect protocols in traffic and highligh different kind of fields in packet headers.