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Old 05-30-2006   #1 (permalink)
zenab
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Is it possible to scan 2.4Ghz cordless phones?
I am wondering if anyone knows if 802.11 cards are able to scan and listen to cordless phones? Is it a matter of writing software to control the hardware or can the cards only work with the the 802.11 signal? I know many cordless phones use spread spectrum to scramble the signal, but what about the ones that are not DSS? I tried to google such a thing, but wasn't able to find anything.
Thanks.
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Old 05-30-2006   #2 (permalink)
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Quote:
Originally Posted by zenab
I am wondering if anyone knows if 802.11 cards are able to scan and listen to cordless phones? Is it a matter of writing software to control the hardware or can the cards only work with the the 802.11 signal? I know many cordless phones use spread spectrum to scramble the signal, but what about the ones that are not DSS? I tried to google such a thing, but wasn't able to find anything.
Thanks.
Why would you need to listen to phones?
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Old 05-30-2006   #3 (permalink)
wrzwaldo
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Especially with a WiFi card?
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Old 05-30-2006   #4 (permalink)
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Quote:
Originally Posted by zenab
I am wondering if anyone knows if 802.11 cards are able to scan and listen to cordless phones? Is it a matter of writing software to control the hardware or can the cards only work with the the 802.11 signal? I know many cordless phones use spread spectrum to scramble the signal, but what about the ones that are not DSS? I tried to google such a thing, but wasn't able to find anything.
Thanks.
1) WiFi uses different technologies from phones. You can't do it.
2) Listening in is illegal, It's called "wiretapping". It's a big no-no unless you get a judge to sign a warrant.
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Old 05-30-2006   #5 (permalink)
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Ok. Thanks for the info. I guess I don't want to be "wiretapping" even though it is "wireless". Thanks.
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Old 05-30-2006   #6 (permalink)
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The only reason I thought of it was abecause wireless cards and 2.4Ghz phones use the same frequencies.
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Old 05-30-2006   #7 (permalink)
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Quote:
Originally Posted by zenab
The only reason I thought of it was abecause wireless cards and 2.4Ghz phones use the same frequencies.
So does your microwave oven, but you can listen to it if you stick your head in and turn it on.
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Old 05-30-2006   #8 (permalink)
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Just a thought..Some of you have mentioned you have purchased WiSpy and have used it for your network related jobs (or it was a kewl toi you had to have in the kit, which is my reason for ordering it soon)

Has anyone DRIVEN around with this seemingly portable wifi oscilloscope?
I know kismet and stumbler see the AP's but what else is out there?



I know,,... whats the point? to be geeky
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Old 05-30-2006   #9 (permalink)
wrzwaldo
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Quote:
Originally Posted by Starpoint
Just a thought..Some of you have mentioned you have purchased WiSpy and have used it for your network related jobs (or it was a kewl toi you had to have in the kit, which is my reason for ordering it soon)

Has anyone DRIVEN around with this seemingly portable wifi oscilloscope?
I know kismet and stumbler see the AP's but what else is out there?



I know,,... whats the point? to be geeky
Yes I took mine on a trip around downtown Seattle, and around a few microwave towers. I have the recordings if you want to install the software and check them out.
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Old 05-30-2006   #10 (permalink)
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Quote:
Originally Posted by zenab
Ok. Thanks for the info. I guess I don't want to be "wiretapping" even though it is "wireless". Thanks.
No problem. The meduim doesn't matter, only that someone is listening to a third party conversation.

Quote:
Originally Posted by zenab
The only reason I thought of it was abecause wireless cards and 2.4Ghz phones use the same frequencies.
A lot of stuff uses these frequencies, as the ISM (Industrial, Scientific, Medical) Band is unlicensed as long as you stay within certain power levels and other requirements. However, the way they all use the frequencies is different
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Old 05-30-2006   #11 (permalink)
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I may be wrong but bluetooth is another application that uses the 2.4Ghz range.
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Old 05-30-2006   #12 (permalink)
wrzwaldo
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Quote:
Originally Posted by Iamnaeth
I may be wrong but bluetooth is another application that uses the 2.4Ghz range.
Quote:
Spectrum
Bluetooth technology operates in the unlicensed industrial, scientific and medical (ISM) band at 2.4 to 2.485 GHz, using a spread spectrum, frequency hopping, full-duplex signal at a nominal rate of 1600 hops/sec. The 2.4 GHz ISM band is available and unlicensed in most countries
There are more devices in this spectrum than you can shake a stick at.
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Old 05-30-2006   #13 (permalink)
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Quote:
Originally Posted by wrzwaldo
There are more devices in this spectrum than you can shake a stick at.
What if I built some large pneumo-hydralic stick shaking machine?
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Old 05-30-2006   #14 (permalink)
wrzwaldo
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Originally Posted by streaker69
What if I built some large pneumo-hydralic stick shaking machine?
You might have a chance, but it better be industrial strength because it's gonna be doing a whole lotta shakin'!

There are things I have not even thought of yet that are in that spectrum.
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Old 05-30-2006   #15 (permalink)
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Quote:
Originally Posted by Iamnaeth
I may be wrong but bluetooth is another application that uses the 2.4Ghz range.
No, you are correct. See thats the thing about Wifi, the 802.11 B, G, and all the other standards they are trying to get radified are in the 2.4 gig range.
Only the 802.11 A (which is rare to find in use) is 5.8 gig.

Thats why the WiSPy device is good to have when you are at a clients site and their wireless is not performing well.
You can see what ELSE is around there that is butting heads
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