Appendix A: Global Positioning System Monitoring Alerts

An overview of system monitoring alerts.

Overview

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Alert	Description
Tier 1—One-Piece Wearable Miniature Tracking Device (WMTD)* Alerts
Exclusion Zone	The offender has violated a Zone set up by the courts. . . . Exclusion zones are a geographic area used to define off-limits to the offender.
Strap†	The strap has been compromised, or removed, by the offender. This may also be due to a new installation or equipment change or deletion.
Tamper	The 1 Piece (WMTD) has been compromised in some form.
Tier 1—Two-Piece XT‡/ Bracelet Alerts
Bracelet§ Gone	Occurs when the offender is out of range of the [2 Piece XT] or Bracelet Battery dies.
Bracelet Strap	The strap has been compromised, or removed, by the offender.
Exclusion Zone	The offender has violated a Zone set up by the courts. . . . Exclusion zones are a geographic area used to define off-limits to the offender.
Tamper	The [2 Piece XT] has been compromised and/or tampered with.
Tier 2—One-Piece Alerts
Battery	The battery is getting low and the device needs to be charged.
Home Curfew||	If the 1 Piece (WMTD) has a home schedule set and the 1 Piece (WMTD) is not in range of the Beacon during this time, a curfew violation will be generated.
Inclusion Zone	The offender has violated a Zone set up by the courts. . . . Inclusion zones are areas like home, work or school where the offender is confined during a defined schedule.
Unable to Connect	The 1 Piece (WMTD) has a defined call-in interval, every hour. If the 1 Piece (WMTD) is unable to call in at its defined call-in interval, a default 90 minute grace period will go into effect. If the default 90 minute grace period expires and the 1 Piece (WMTD) has still not called in, a violation will appear on the event monitor.
Tier 2—Two-Piece Alerts
In Charger	The [2 Piece XT] is NOT in the assigned Base Unit or attached to the wall charger when the In Charger schedule is in effect.
Inclusion Zone	The offender has violated a Zone set up by the courts. . . . Inclusion zones are areas like home, work or school where the offender is confined during a defined schedule.
Unable to Connect	The [2 Piece XT] has a defined call-in interval of one hour. If the [2 Piece XT] is unable to call [the Attenti Group] at its defined call-in interval, a default 90 minute grace period will go into effect. If the default 90 minute grace period expires and the [2 Piece XT] has still not called in, the [Attenti Group] database will create this alarm.
XT Battery	The [2 Piece XT] battery is low and needs to be charged.
Tier 3—One-Piece Alerts
Beacon Battery Low	The backup battery in the Beacon is designed to last 24 hours. This alarm will be generated when the battery is getting low.
Beacon Power Disconnected	A Beacon . . . Power Disconnect alarm will be generated if the Beacon is disconnected from or loses power.
Beacon Location Untrusted	The Beacon Location Un-Trusted alarm will be generated if any of the following conditions occur: If the . . . power is lost in conjunction with motion detection If the Beacon detects excessive motion, whether or not it has . . . power If the Beacon detects loss of power for over one hour If the Beacon backup battery dies
Motion No Global Positioning System (GPS)	Occurs when the 1 piece (WMTD) has accumulated 20 minutes of motion in a 60-minute period without receiving a signal from the GPS satellites.
Tier 3—Two-Piece Alerts
Base Unit A/C Power Disconnected	The base unit has lost A/C power and is running on the battery back-up.
Base Unit Battery	The Base Unit has been running on the back-up battery and is about to lose power.
Base Unit Phone Line Disconnected	The phone line has been removed from the Base Unit.
Base Unit Tamper	The Base Unit has been compromised and/or tampered with.
Base Unit Unable to Connect	The Base Unit has not called out in over 6.5 hours. The Base Unit calls the server 4 times a day at six hour intervals.
Bracelet Battery	The Bracelet battery is getting low; the bracelet must be replaced within 5 days.
Phone Number Caller ID	Signals the offender may have moved the Base Unit to a new phone line or home.
XT Motion No GPS	Occurs when the [2 Piece XT] has accumulated 10 minutes of motion in a 60-minute period without receiving a signal from the GPS satellites.

*     This is a device that uses GPS satellites to establish an offender’s location.

†     The strap attaches a GPS device to an offender’s ankle.

‡     This is a handheld device that receives information from GPS satellites and an ankle bracelet and then uses its modem to transmit information to Attenti Event Monitor Manager using a cellular network.

§     This is a GPS device worn on an offender’s ankle.

||   The beacon that triggers this alert is a unit placed in an offender’s home that communicates with a one-piece tracking device through radio frequency.

Date published:	November 8, 2021