ADT Security provides the security and peace of mind with around the clock monitoring of your home or business with a system from DigiTel Security. ADT wired and wireless systems help protect your home and loved ones from burglary, theft, fire, and medical. Installing a home or business security system could be one of the most important choices you make in protecting your family and property. Most burglars will avoid homes or businesses that are protected by a security system. DigiTel Security is focused on providing high-quality service and customer satisfaction in the greater Calgary area - we will do everything we can to meet your expectations. DigiTel Security is an authorized dealer of ADT which is the largest and most highly recognized security company in the world. FREE Essentials Security System package for Visa Cardholders. *With alarm monitoring services & activation fee. Subject to terms & conditions. After Visa Rebate. more... See more text