Directional Driveway Sensor Choices?

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In doing far too much research I have found TWO (2) very different
approaches to Directional driveway alarms that use probes.

I am only looking at probe systems as I really don't want to cut up my
driveway to put in loops.

The First solution is the Central Processor with probes (similar to :

The second solution is to use TWO (2) Cartell CP-2's and connect the

The cost is relatively the same.  as the Central processor version is ABOUT
$500.  The cartell solution is little less but you need 2 units.

My question: Who has used these and what were your impressions?  Which do
you prefer? Why?

My probes will be about 350 cable feet from my panel, about 40-50 feet from
the road.

Thanks for the input....

Ooops, one question about the Cartell, do I need to run BOTH cables back, or
can I just run 1-set the 15' between units, and then splice THAT to the long
run back the house with power and two relay closures? (3-pair shielded?)


Re: Directional Driveway Sensor Choices?

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Re: Directional Driveway Sensor Choices?

I currently have and use the unit
and love it,
i installed it about a month ago, and once setup it is very accurate, and
have no false alarms as of yet.
I wired two Interface modules into the control box, and have it sending out
one x10 code for leaving and one for arrviving, and i have my homeseer
software announcing in a pleasent voice that "A Car has entered the
driveway" or "A car is leaving the driveway"
In addition to a door bell sound ONLY for a car arriving..


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