About Us

Spectrum Systems LLC is a Minnesota State licensed, family owned and operated business in Mankato, Minnesota.

At Spectrum Systems LLC, we are committed to providing top-notch security solutions for a wide range of customers. As a Minnesota State licensed, family owned and operated business in Mankato, Minnesota, we have over 25 years of experience in the security industry and a proven track record of success.

Our Expertise

Our team of experts is highly trained and knowledgeable in the latest security technologies. We work closely with our customers to understand their unique security concerns and tailor our solutions to address them. Whether you’re looking for basic intrusion detection or advanced home automation, we have a range of options to choose from.

Business Security

For businesses, we offer a range of commercial alarm systems that are designed to keep your property and assets safe. Our systems are expandable, so they can grow with your business and adapt to your changing security needs. Whether you’re a small start-up or a large corporation, we have a solution that will fit your budget and protect your interests.

Ongoing Support

At Spectrum Systems, we are committed to providing top-notch service and support for our customers. Our team is available to answer any questions you may have and to provide support when you need it. We stand behind our products and services with comprehensive warranties, so you can rest easy knowing that your home and business are protected.

Contact Us

If you’re looking for a security company you can trust, look no further than Spectrum Systems. Contact us today to schedule a consultation and see how we can help protect what matters most to you.


Service Area

Spectrum Systems is proud to serve the Southern Minnesota area, providing top-of-the-line security solutions to homes and businesses in the region. We are dedicated to providing the best service and products to ensure the safety and security of our customers.

Our service area includes major cities such as Rochester, Winona, Mankato and Austin, as well as smaller towns and rural areas. We are committed to serving the entire Southern Minnesota area, and we will work with you to find a solution that fits your specific needs and budget.