DUO & DUO+ Support

Resources

UserGuide

Quick Start Guide

Learn about all the features of your DUO or DUO+.

TechSpec

Tech Specs

Find the technical specifications for your product.

Troubleshooting

Step-By-Step Troubleshooting

Follow an easy step-by-step trouble shooting guide for the DUO and DUO+.

Installation Videos

Contact Us

Still can’t find what you’re looking for? Our Cel-Fi Support Team
can help you find answers.

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