The microwave devices market was valued at USD 8.76 billion in 2025 and is projected to reach USD 14.12 billion by 2034, growing at a 5.5% CAGR from 2026 to 2034, according to Polaris Market Research. North America was the largest market in 2025. Demand comes from space and communication, military and defense, healthcare, and industrial uses, and this article reviews the applications behind it....