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From: Ben Ford (bfordERISKSECURITY.COM)
Date: Mon Apr 02 2001 - 17:52:43 CDT

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    John Humlick wrote:

    > That's something I was thinking about too. From what I understand, there
    > are two types of wireless keyboards: those that use RF and those that use
    > IR. Infrared doesn't travel through walls so that pretty much rules out
    > sniffing on this type of keyboard. The RF transmitters are rather weak... so
    > you would have to be pretty close to the keyboard itself to receive any RF
    > transmissions. I have one of these keyboards... but I haven't tested it
    > through walls. I'd say I've been able to reach distances of about 8-10 feet

    Hmm, I have a Logitech iTouch and I have been able to reach 30 feet plus
    with no radio interference. The cell phone, however hammers the thing
    and spits out a whole mess of characters when it rings nearby.

    -b