TCI is a leader in the design of high-performance, ITU-compliant spectrum monitoring, radio direction finding and signals int ... elligence solutions for civilian, government and military agencies. TCI brings a 50+ year legacy of innovation in the development and manufacture of antennas for communications and high-power radio broadcasting. Selected for use in more than 100 countries, TCI products are supported by a global network of customer and training services. TCI is a wholly owned subsidiary of SPX Corporation. read more