Re: [c-nsp] Protecting Wireless Network from Jammers

2011-01-17 Thread Lamar Owen
On Friday, January 14, 2011 02:28:42 pm Jim McBurnett wrote: > It's been a long time... But a spectrum analyzer with a directional antenna > is really cool to use for this... The Wi-Spy works pretty well, and much less expensive than some of the portable spec-ans out there. See http://www.meta

Re: [c-nsp] Protecting Wireless Network from Jammers

2011-01-16 Thread Ziv Leyes
14, 2011 8:46 PM To: Seth Mattinen Cc: cisco-nsp@puck.nether.net Subject: Re: [c-nsp] Protecting Wireless Network from Jammers Or some sort of frequency hopping spread spectrum arrangement but that assumes your jammer isn't wacking the whole spectrum. I haven't been on a ham radio f

Re: [c-nsp] Protecting Wireless Network from Jammers

2011-01-14 Thread Jim McBurnett
PM To: Seth Mattinen Cc: cisco-nsp@puck.nether.net Subject: Re: [c-nsp] Protecting Wireless Network from Jammers Or some sort of frequency hopping spread spectrum arrangement but that assumes your jammer isn't wacking the whole spectrum. I haven't been on a ham radio fox hunt in ye

Re: [c-nsp] Protecting Wireless Network from Jammers

2011-01-14 Thread Scott Granados
Or some sort of frequency hopping spread spectrum arrangement but that assumes your jammer isn't wacking the whole spectrum. I haven't been on a ham radio fox hunt in years, they are a blast, right up there with field day. On Jan 14, 2011, at 8:12 AM, Seth Mattinen wrote: > On 1/13/11 10:00 P

Re: [c-nsp] Protecting Wireless Network from Jammers

2011-01-14 Thread Seth Mattinen
On 1/13/11 10:00 PM, Christopher J. Wargaski wrote: > Hey Felix-- > > I work in the 802.11 wireless arena and am also an amateur radio > operator. Aside from finding the offending station, there is really nothing > that can be done to prevent RF signal jamming. > Sure there is: use a wire.

Re: [c-nsp] Protecting Wireless Network from Jammers

2011-01-13 Thread Christopher J. Wargaski
having "fox hunt" events. The technology we use is pretty much limited to directional antennae and signal strength meters. > Date: Thu, 13 Jan 2011 01:32:44 + > From: Felix Nkansah > To: cisco-nsp@puck.nether.net > Subject: [c-nsp] Protecting Wireless Network fro

Re: [c-nsp] Protecting Wireless Network from Jammers

2011-01-12 Thread Scott Granados
Anything to disrupt the red light cameras? :) (I'm totally kidding) On Jan 12, 2011, at 5:32 PM, Felix Nkansah wrote: > Hi, > > Most cities around the world (like Chicago in the USA) have deployed > wireless mesh networks (operating in the Public Safety 4.9 Ghz band) for > connecting their

Re: [c-nsp] Protecting Wireless Network from Jammers

2011-01-12 Thread ML
On 1/12/2011 8:32 PM, Felix Nkansah wrote: Hi, Most cities around the world (like Chicago in the USA) have deployed wireless mesh networks (operating in the Public Safety 4.9 Ghz band) for connecting their city-wide surveillance cameras. Since wireless networks are vulnerable to spectrum jammer

[c-nsp] Protecting Wireless Network from Jammers

2011-01-12 Thread Felix Nkansah
Hi, Most cities around the world (like Chicago in the USA) have deployed wireless mesh networks (operating in the Public Safety 4.9 Ghz band) for connecting their city-wide surveillance cameras. Since wireless networks are vulnerable to spectrum jammers, I am wondering how the authorities prevent