Whether a specific device has the right chip inside / screens on the VGA adapter (was: osmo-fl2k)

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Müller, Marcus (CEL) mueller at kit.edu
Wed Apr 25 07:38:51 UTC 2018

Hi Riccardo,

not quite sure what you're asking here:

> Hi, i want to ask you which screen do you use in the picture in the website

which of the pictures? Generally, to "abuse" your VGA adapter as
transmitter part of an SDR, you'd attach no screen at all, but an
antenna. Or, you don't, because you put your receiver so close that
it's in reactive near field, and don't risk problems with spectrum
regulations (which will generally not favor doing things like
transmitting unfiltered waveforms with a lot of harmonics).

>  and also if this https://www.amazon.it/dp/B019DUI17Q/ref=cm_sw_r_wa_api_i_on53AbMBGRVYA has the correct chip

I'd guess, that, since it fits the rather extensive description on the
wiki page, yes, but noone here has any chance to know that any better
than you do. You can only order and try, or you could also just buy one
where you can download a manual that specifies the chipset, or a
windows driver (and then just skim the driver package's content for

What would of course be cool is that if you ordered this dongle, and
verified it works with osmo-fl2k, then you could add a link to the
https://osmocom.org/projects/osmo-fl2k/wiki page to a new page "known
to work devices" with a table that contains that. Now, on the other
hand, Amazon marketplace links are not really there for eternity – they
are prone to disappearing without any notice, or to be superseeded by
sellers offering different products with the same picture. Nota bene
that your product page explicitly says that there's only 5 of these in

I do believe that table would be helpful, but just probably not for
some more or less sketchy amazon marketplace offer like the one you've
found (there's really hundreds of these, and we shouldn't be seeing an
email asking for compatibility of every single one), ebay or aliexpress
etc sources; all you can say about these is exactly what is written on
the wiki page: If it does 1920x1080, doesn't support MAC and does USB3
and costs less than 20€, it's probably compatible. If you can find a
local seller (yours is somewhere in Shenzhen! This isn't amazon selling
you stuff, it's some small trader in China.) that you trust to have a
reasonable source and will offer the device for longer than their small
one-time-buy stock allows, that would be more helpful.

Best regards,
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