The Com-Power Corporation is a manufacturer of products and test equipment in the field of electromagnetic compatibility (EMC). EMC describes an electronic product’s ability to work as it’s intended in its environment. The product must limit its own electromagnetic emissions, or noise, so it doesn’t interfere with other devices nearby. The product must also exhibit EMC immunity, or the ability to withstand electromagnetic energy from other products without performance problems. The Com-Power brand designs equipment that deals mainly with noise and sound. Its long list of products includes spectrum analyzers, signal generators, amplifiers, and antennas. Browse used and refurbished Com-Power products at ValueTronics.