AR RF/Microwave Instrumentation has been a leader in designing and manufacturing innovative products since it was formed by Donald Shepherd in 1969.

AR RF/Microwave Instrumentation is the World-Class Source For: RF Conducted Immunity Systems, Radiated Immunity Test Systems, Broadband High Power, Solid State, RF and Microwave Amplifiers, TWT Amplifiers, Log Periodic and High-Gain Horn Antennas, EMC Test Equipment, Hybrid RF Power Amplifier Modules, Software, Field Probes and Monitors, Electromagnetic Safety Products, EMC Accessories, EMC Test Software and Hybrid RF Power Amplifier Modules.