How do house-arrest ankle bracelets work?

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Is there a GPS in them? How do they know where you are supposed to be and if you stray from that location? Is there a grace period for you to get back inside that location?

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18 Answers

Anonymous 0 Comments

It’s basically the Find My app on your phone without any of the extras.

Look into luxury surveillance if you have a moment.

Anonymous 0 Comments

Modern ones use both GPS and 4g cellular, with a fiber optic strap that alerts if it’s tampered with. They need to be charged daily because they have live tracking.

You can have them set to an inclusion zone (only stay in this area, eg your house) or an exclusion zone (don’t go near these certain areas) or both. If you beach the zone your PO is notified and they can try to contact you, if they can’t get in contact they issue a warrant on the spot.

Anonymous 0 Comments

**GeoFencing is common these days**

The unit has GPS in it, and the monitoring agency will circle “allowed” locations on a map. Should you leave one of those approved locations or be outside of a certain area after a certain time — the agency gets an alert in real-time.

COVID was a boon to GPS monitoring as there was a real need to minimize people in/out of close quarter places of confinement. Post COVID, that trend continued with an increase in use for Pretrial Release. It’s meant a reduction in costs as less inmates require full time housing. Mess up and a warrant will be issued and your pretrial release will be forfeited.

Anonymous 0 Comments

My experience in my US city, the big warning was to ensure the bracelet was kept charged and penalties would occur if you allow it to die. No home base, WiFi or phone line was required. Work and school time sheets had to be confirmed by my boss, then submitted to the house of corrections. I was told don’t even take the trash out, go to the mailbox or go on the porch. Idk if that type of thing was monitored closely though because when I told the corrections guard who was preparing my group for release, that HOC lost my possessions and I didn’t have a house key to get into my house immediately when I got home, he said “it’s fine,” like it wasn’t going to be an issue if I hang outside my house while I wait for someone to arrive with a spare key. So who knows.

I have a friend outside of Denver who works in Corrections, and was tasked (2022) with testing out a new wrist bracelet at the time, that looked like an odd smart watch. Not sure if that has taken effect since then.

Anonymous 0 Comments

They have gps and radios in them. They work like your “find my phone” app.

They are monitored by companies paid by the courts to do so. If the signal is lost, or the bracelet is cut or they stray from their allowed location (usually city limits) they alert the probabation officer who calls them to see what’s going on.

Anonymous 0 Comments

Modern ones are basically a cell phone without a screen. They have GPS, they have a battery, they have a wireless data connection. There are older ones that are basically a proximity monitor where you need to be within a certain distance at certain times.

Some older ones may still be in use. I would imagine most places have moved onto the “cellphone without a screen” devices because they offer far higher accuracy and can track people basically anywhere.

Anonymous 0 Comments

They send a signal to a base station located in your home if you go out of range of the based station a call is put in to the local police.

Anonymous 0 Comments

I always thought they electrocuted the person. Or at the very least constricted so that the person couldnt walk and then loosened if they made their way back home.

Seems like my imagination got a bit carried away.