🚀 go-pugleaf

lojack wrote:
> 
> Robert E. Klimkiewicz, Jr. wrote:
> >
> > David Pinero <dpinero@pobox.com> wrote:
> > <text deleted>
> >
> > That's some of the info I wanted to hear.  I was considering the > purchase of a scanner so that frequency you listed is quite intriguing.
> > I'm considering a mobile/base unit so I can keep the unit in my car
> > while driving but bring it inside.  Thanks again for the info!
> 
> Funny, but the msg you mentioned was removed from the thread to the
> LoJack info on my server, perhaps someone cancelled it? In case others
> missed it, just tune in with a scanner to 173.075 you'll hear the LoJack
> signal.
> 
> I believe it transmits only once per minute, it may be more often than
> that, FCC rules apply. You'll only hear a very brief "chirp", like the
> keying up of a microphone on a PD radio. It contains tracking info about
> the location of the stolen vehicle.

Sorry. the vehicles are found by triangulation. That's simply the
digital ID of the device.

> 
> I'm surprised that an enterprising car thief hasn't used a scanner to
> make sure the car he steals doesn't have a LoJack. Actually a frequency
> counter could be used to actually locate the compartment the transmitter
> was in (a FC is used as a counter intelligence tool to find bugging
> devices, it locates the signal source and displays the frequency).
> 
> Has anyone heard of such a compromise of the LoJack? I hear the signal
> all the time on my scanner and sometimes it quite strong indicating the
> stolen vehicle is nearby. Other times I hear multiple LoJacks operating,
> the signal strength varies and the spacing between the chirps makes it
> obvious there is more than one operating.

For one, the LoJack blurbs seem to indicate that one of the reasons the
LoJack is difficult for car-thieves to detect-and-avoid is that it has
to be activated from remote. The activation would basically be like a
pager, which uses very little power until activated. Then it goes beep.
Except in this case, the beeping is not through a speaker, but through a
radio transmitter which chirps and is triangulated for location.

It's the way I'd do it and I suspect law enforcement agrees, there's no
use placing a bug that can be "swept-for" in advance of the crime that's
being set up to be trapped.

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