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#1 2019-08-25 21:26:59

cds333
Contributor
Registered: 2019-04-06
Posts: 18

Amplified antenna for RDV4?

According to the lab401 description for the PROXMARK 3 RDV4 - LONG RANGE HF ANTENNA, it provides the <i>highest read/write/sniff performance possible on an un-amplified external antenna</i>.

I cannot find anything when I search for this, so naturally my next question is: where is this "amplified" antenna that I can buy to extend the range of the RDV4 beyond that of this antenna?

Do these exist?

Thanks!

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#2 2019-08-26 07:38:37

iceman
Administrator
Registered: 2013-04-25
Posts: 9,468
Website

Re: Amplified antenna for RDV4?

Dunno if someone has an active lf antenna available for sale,  dunno if someone is building a active lf antenna,   I do know that many want to hook up active long range antennas.   The weaponized antennas like boscloner, rfidtastic et al gives 60-100cm lf reading range.  Which is quite impressive.

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#3 2019-08-30 00:20:04

cds333
Contributor
Registered: 2019-04-06
Posts: 18

Re: Amplified antenna for RDV4?

Thats exactly what I'm looking for, except those appear to be for LF only. Does something similar exist for HF?

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#4 2019-09-02 19:28:46

hfmfsniff
Contributor
Registered: 2019-07-07
Posts: 19

Re: Amplified antenna for RDV4?

Somebody has already done it back in 2006.
https://eprint.iacr.org/2006/054.pdf

I guess more people have invented improved versions based on that.

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