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.

wireless manufacturers