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Article #9182

Home Escort (the portable electronic jail)

#9182
From: John Debert
Date: Sat, 29 Dec 1990 18:09
22 lines
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I've recently heard some about the "Home Escort" device which is used
to keep track of convictees at home in lieu of putting them in jail.

The device consists of three parts: A leg bracelet worn by the convictee
(for lack of a better word), a radio device in a black box with two nine
inch whips on it which communicates with the bracelet and is attached to
a large console which is then connected to the phone line and makes a call
to a central station approximately every four hours at 300 baud. 

Now, having seen the device, I am curious about what frequencies it uses to
communicate with the bracelet and how it talks to the central station, i.e.,
what it says to the station (and what the station says in return) and how.

Searching the low-power police freqs have so far turned up nothing from the
unit and I'm growing curiouser and curiouser about it.

BTW, the unit is made in Colorado and is FCC registered but that's all the 
info I have been able to come up with.

Thanx,
jd
onymouse@netcom.UUCP  netcom!onymouse@apple.com
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rutgers!apple!netcom!onymouse
From: onymouse@netcom.UUCP (John Debert)
Newsgroups: sci.electronics,rec.ham-radio
Subject: Home Escort (the portable electronic jail)
Summary: How does the "Home Escort" device work?
Keywords: radio house-arrest
Message-ID: <19591@netcom.UUCP>
Date: 29 Dec 90 18:09:16 GMT
Distribution: usa
Organization: Netcom- The Bay Area's Public Access Unix System {408 241-9760 guest}
Lines: 22