Enabling indoor wireless connectivity - anytime, anywhere.
Cellular Specialties, Inc. (CSI) is a world class organization enabling indoor wireless connectivity.
CSI's 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. Learn More
The CSI services organization formerly known as Custom Solutions Group (CSG) is now CSI Solutions Group: A Division of Goodman Networks. Learn More