As in using a Yagi antenna wouldn't be noticed? Gah! Yes, they are very useful as WiFi extenders, but not exactly "stealth" equipment.
Proxyham Wi-Fi relay SUPPRESSED. CONSPIRACY, yowl tinfoilers
Rhino Security has suddenly pulled the plug on its “ProxyHam” Wi-Fi relay project and withdrawn from the upcoming DefCon conference. The company's Bun Cuadill made the “announcement” in the way most likely to send conspiracists hyperventilating: a couple of Twitter messages that offered no explanation. Since the aim of …
COMMENTS
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Wednesday 15th July 2015 00:36 GMT Charles Manning
If you can intercept 2.4GHz, you can incercept 900MHz
There is nothing magic about 900MHz that makes it harder to eavesdrop on.
If anything 900 MHz is easier:
1) It is all licensed band, so legitimate users will find you and dob you in before you can say "Pringles Can".
2) You can be charged just for transmitting - no matter the content.
3) The antenna needs to be 3x as big - way harder to hide and use.
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Tuesday 14th July 2015 15:46 GMT Munin
Even if the antenna weren't noticed, radio direction finding is, in fact, a thing - and at 900 MHz, it's a pretty easy thing. Frankly, I am only really disappointed the talk was pulled because I was planning to attend to ask the presenter some very pointed questions about why he thought putting wifi comms across a 900MHz backhaul was innovative or interesting at all - much less why he was fiddling about adding a raspberry pi to the mix.
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Tuesday 14th July 2015 20:31 GMT Anonymous Coward
Indeed, fox hunting is a very common past time of many radio HAMs.
If they can do it at low bands like 6m, they can do it at 900MHz with ease. If enthusiasts can do it with home-built antennas and $100 hand-held radio receivers, imagine what the likes of the FCC/Ofcom/ACMA/… can do.
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Wednesday 15th July 2015 02:33 GMT ops4096
Meh .. ?
Legal issues seem to have a mysterious tendency to evaporate in the presence of TLA's.Sounds like some wonk in some TLA thought that ProxyHam had a really good idea and that they simply had to have the technology for their own exclusive use. Would the pi be useful as a dedicated cryptographic or DSP scrambling engine? Your taxpayer dollars at work.
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Wednesday 15th July 2015 04:34 GMT Anonymous Coward
It doesn't matter
If you're a crim, sooner than later you'll be caught no matter what means you use to try and hide your identity and location. As the authorities like to say: "You have to be lucky every time. We only need to be lucky once". People who make bad choices end up at the Iron Bar Hotel for extended stays.