Electronic Monitoring

Sentinel offers a continuum of location monitoring, home monitoring, remote alcohol monitoring, radio frequency monitoring, and passive/active GPS tracking, all integrated into our intelligent offender management platform.

Domestic Violence

Powerful electronic monitoring technology helps law enforcement in the fight against domestic violence.

 Alcohol Monitoring

Comprehensive remote and continuous alcohol monitoring helps supervising agencies conduct real-time and passive alcohol testing on participants. Sentinel offers:

 Substance Abuse Monitoring

Sentinel provides drug screening and testing services for participants with court-ordered regular or random drug testing.

Voice Verification

Automated voice verification systems for low-risk probationers simplify self-reporting. The time and date of each check-in is recorded and reported according to agency guidelines. 

For more information about any of our products or services, please call Sentinel at 800.589.6003 or email us at

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