8
Operating Details
Communication
The 1 Piece (Gen 4) has a SIM card, which is similar to the data transmitter/receiver
found in most cellular phones. The 1 Piece (Gen 4) uses the SIM card to transmit and
download the GPS points and alarms it has recorded to 3M Electronic Monitoring’s
servers. The call-in intervals are determined by the agency’s contract specifications.
Examples may be hourly, every six hours, or immediately upon alarm.
Active Mode:
• The standard 1 Piece (Gen 4) call-in interval is onc
e every hour while in
compliance.
• The 1 Piece (Gen 4) will call 3M Electronic Monitoring as soon as a violation
occurs.
Passive Mode:
• The standard 1 Piece (Gen 4) call-in interval is once every six hours.
• The 1 Piece (Gen 4) will not call 3M Electronic Monitoring when a violation
occurs. The officer will only be made aware of violations when they view the
GPS maps or the Daily Event Summary Report (DESR) that is emailed to the
officer.
• Violations will also be displayed in Case Management
and on the Offender
Monitor.
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