Can You Hear Me Now?

Smith, Mail
June 2006
Tech & Learning;Jun2006, Vol. 26 Issue 11, p42
The article introduces the wireless sound-field amplification systems for classroom use in the U.S. The systems are based on the Federal Communications Commissions-approved frequency modulation and ultra high frequency bands which are commonly used for radio and television, respectively. The systems come in two types, the radio frequency and the infrared, and consist of a handheld or headset microphone, a receiver, and a set of external, in-ceiling or in-wall models speakers. With a wide variety of available of designs, the school administration has a lot of options when considering the type of wireless systems to use.


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