Alcohol & Electronic Monitoring for Low and High-Risk Clients

Used worldwide as a monitoring solution for drunk driving, community corrections, jail overcrowding and problem solving courts.

Designed to Fit Your Supervision Model, Budget, and Laws

an integrated system for all your offenders

Alcohol Monitoring

Our flagship alcohol monitoring product, with house arrest monitoring.

Portable cellular PBT devices

The most flexible option in breath testing for lower-risk alcohol clients.

Global Positioning

EMS Tether searches out and provides best in class technology to offer to our clients.

About Us

EMS Tether is continually testing new technology in order to provide the absolute best equipment available to our customers. We are a service forward business with a can do attitude. We value accuracy and timeliness the most. Contact us today and let us know what we can do for you?

Why EMS Tether?

Multiple Solutions – Multiple Needs

Portable cellular PBT devices

GPS Alcohol Monitoring

Cloud Management Center

Reduce Errors

Trusted by Thousands

Alcohol Monitoring

With optional house arrest monitoring. Continuous Alcohol Monitoring (CAM) is the most technologically advanced alcohol monitoring system in the world. Worn 24/7, automatically samples a client’s perspiration, every 30 minutes, to measure for alcohol consumption. No missed tests. No circumventing a testing schedule.
With EMS Tether, the world’s most widely used and trusted 24/7 transdermal alcohol testing system, for use with high-risk, hardcore DUI alcohol offenders. It combines 24/7 alcohol testing with optional house arrest monitoring in a single device.

Portable cellular PBT devices

Introducing Portable cellular PBT devices, the most flexible option in breath testing for lower-risk alcohol clients.
Portable cellular PBT devices is the first and only handheld, wireless, portable breath alcohol device with Automated Facial Intelligence™.
The world’s first handheld, wireless, portable breath alcohol device with automated facial recognition and GPS with every single test. For your lower-risk offenders or those who have earned less intensive testing and monitoring.

Global Positioning

EMS Tether searches out and provides best in class technology to offer to our clients.

We offer one-piece GPS bracelets with high security straps available for high risk offenders. Alerts are instantaneous and tracking is accurate and fast. Zone are infinitely adjustable offering unmatched flexibility.