NSI-MI Technologies is a company that specializes in antenna, radio-frequency (RF), and microwave testing systems. It offers target simulation systems, broadband horn antennas, coax-to-waveguide adapters, rotary positioners, engineered structures, electronic, and other products. The company also provides calibration, consulting, precision alignment, equipment refurbishment, range relocation services, etc. NSI-MI Technologies caters to the aerospace, defense, automotive, satellite, and other sectors.