Shure 596LB, Voice Communication MicrophoneCondition:* New Old Stock. Sold As-Is. Additional Notes:* Frequency response designed for voice communications* Omnidirectional Mic Element* Double-pole, single-throw PTT switch* Four Conductor, Shielded, 7 Pin Connector* Does not require DC power for operation* Mounting bracket included* Designed for communication systems mobile and fixed station including police, fire, utilities, transportation, commercial, and industrial applications.Shure596LB