The Electro-Voice Model US602FL is a low-impedance, handheld dynamic microphone with a push-to-talk switch. Engineered for high-articulation speech in noisy environments, its bidirectional, noise-canceling design ensures clear communication where ambient noise is an issue. With a high output level and stability across extreme temperatures and humidity, the US602FL is ideal for amateur radio, police, marine, commercial, and paging applications. Its rugged polycarbonate housing and lifetime switch assembly ensure durability, making it a reliable choice for demanding environments, including public address systems where feedback control is critical.