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The Microphone Book, 2nd Edition by John Eargle

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CHAPTER 9

OVERVIEW OF WIRELESS MICROPHONE TECHNOLOGY

INTRODUCTION

Outside of recording and broadcast studios, the wireless microphone is virtually indispensable. The technology dates back to the 1960s, and great strides in performance quality and overall reliability have been made since that time. Television, staged music and drama performances, religious services, and public meetings all make use of wireless microphones; and the ultimate freedom of movement offered by the technology is seen as a boon by everyone involved in live performance.

The earliest wireless microphones employed the commercial FM (frequency modulation) band at very low output power, and consumer FM tuners were used for signal recovery. In time, the Federal Communications ...

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