[Hackrf-dev] HackRF and Raspberry Pi

[Marc Pàmies Massip]

Hi Chuck,

What I want to do is to scan a whole GSM band (let's say GSM-900) tuning the device at a different frequency at each step. With my computer I have no problem to work at the highest recommended sample rate (20 MHz), but I wanted to know if the same could be done with a combination of Raspberry/HackRF or Raspberry/RTL-SDR.

Your think I could do it using the cheaper solution that you suggested?

Thanks a lot for your answer,

Marc.
On 23/02/2017 20:33:40, Chuck McManis <chuck.mcmanis at gmail.com> wrote:
I don't think this question, as asked, can be answered. Is the HackRF
and Raspberry Pi signal compatble? Yes they are. Can you plug a HackRF
into the Raspberry Pi and have it recoginize it and talk to it? Yes
you can. Can you do all the things that people do with HackRFs when
using a Raspberry Pi, no you cannot.

You can start that question from the other side though, like "I do
with my HackRF and my current machine, can I swap in a Pi and still do
that?" (probably the answer is "no" unless you are just tuning in FM
radio stations).

So here is my recommendation, you will not be able to do anything
other than tune a wider range of frequencies with a HackRF/Pi
combination than you would with a RTL Dongle/Raspberry Pi. The latter
is about $80 total cost US, the former nearly $500. If you want to
tune ranges outside the RTL dongle's tunable range then build an RF
mixer so that you can use to upconvert (or downconvert) signals
outside of the RTL dongle's range into a frequency it can tune to.
Even a mixer/RTL/Pi combo is going to be cheaper than the HackRF.

On Thu, Feb 23, 2017 at 11:05 AM, Marc Pàmies Massip
wrote:
> Hello,
>
> I wanted to ask if it is feasible to use a HackRF with a Raspberry Pi. I
> have seen that some people use both hardware together, but it sounds strange
> to me considering that the minimum sample rate recommended for the HackRF is
> 8 MHz. A Raspberry Pi can support such a high sample rate? Are there any
> other drawbacks to consider if this combination was to be done?
>
> Thank you in advance.
>
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>
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