Mini-Circuits was created in 1968 in the United States by Harvey Kaylie. Mini-Circuit products, including: cellular, wireless, Aerospace and Satellite, military and broadband standards, CATV/RFID, test instruments, diagnostic imaging, and more, have a broad usage in commercial, industrial and military applications. The mini circuit products comprise the following: adapters, amps, attenuators, cords, couplers, oscillators, phase detectors, RF chokes, switches, transformers and phase detectors.