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◎ professional high fidelity cardioid directional capacitive electret microphone with sensitive pickup and clear voice, and the bandwidth reaches 70Hz ~ 18khz

◎ anti interference circuit design is adopted to prevent the interference of mobile phones and other electronic products.

◎ it has the function of five key voting / voting / election

◎ the speech switch button has a transparent speech pattern, which is always on when speaking

◎ with 2.3-inch high brightness full view LCD display, the display content is clear

◎ with headphone output socket, the sound quality is clear and easy to monitor,

◎ with audio start function, the microphone unit power is automatically turned on when speaking.

◎ cooperate with PTZ camera to automatically track the camera,

◎ USB data port is convenient for connecting third-party equipment

◎ 8P-DIN special aviation T-type cable is used for connection between units