About CSI

For more than 16 years, Cellular Specialties, Inc. (CSI) has designed and developed superior products that enable anytime, anywhere in-building wireless connectivity for 3G/4G cellular and public safety coverage.

CSIs' suite of products includes high-performance digital repeaters, DAS Interface Units (DIUs), PIM compliant system components and antennas as well as E911 and location-based enhancement solutions for in-building wireless DAS networks. Our repeaters and system components have been implemented in thousands of solutions throughout the U.S., Canada, Mexico, and Europe.

CSI is proud to provide support to local and national veteran and youth organizations such as Big Brothers Big Sisters of Greater Manchester, Children’s Hospital at Dartmouth (CHAD), and the New Hampshire Food Bank. In addition, our employees regularly volunteer for and support a variety of organizations and causes that positively impact the community. Visit our Community Outreach page to learn more.

We also strive to make Cellular Specialties a great place to work. Since our inception, we have received numerous employer and business awards in recognition of this commitment. Some of the ones we’re most proud of include:

• ICIC Inner City 100
• Dave Thomas Foundation Most Adoption-Friendly Workplaces
• Business NH Top 100
• Inc. 500/5000
• Deliotte’s Technology Fast 500

To learn more, please visit Awards.