Aeroflex Holding Corp. engages in the design, engineering, manufacture, and sale of microelectronic products, and test and measurement equipment in the United States, Europe, the Middle East, Asia, and Australia. The company operates in two segments, Aeroflex Microelectronic Solutions and Aeroflex Test Solutions. The Aeroflex Microelectronic Solutions segment manufactures specialty microelectronics products for the space, avionics, defense, commercial wireless communications, medical, and other markets. Its products include HiRel microelectronics/semiconductors comprising transceivers, analog multiplexers, clock management generators, MSI logic products, battery electronics units, voltage regulators, high-speed power controllers, MIL-STD 1553 bus controllers, remote terminals, bus monitors, microcontrollers and microprocessors, RadHard pulse width modulation controllers, and RadHard resolver-to-digital and memory modules; radio frequency (RF) and microwave components consisting of standard and application specific RF/microwave diodes and semiconductor devices; mixed signal and digital application-specific integrated circuits; and motion control products, such as actuators and mechanisms, electronic controllers, slip rings and twist capsules, DC motors, and Gimbal systems. The Aeroflex Test Solutions segment provides wireless test equipment to develop and test wireless handsets and base stations; military and PMR test equipment for use by radio manufacturers and military, police, fire, and emergency response units to test handheld radios; avionics test equipment for use in the design, manufacture, and maintenance of commercial, civil, and military airborne electronic systems, or avionics; synthetic test equipment that is used to test satellites and transmit/receive modules prior to launch and deployment; and general purpose test equipment, including spectrum analyzers and signal generators. The company was founded in 1937 and is headquartered in Plainview, New York.