PresentationPro packages: Califone.www.califone.com, Hardware, $500 and up These five wireless presentation packages offer a complete wireless sound system that fits the varied communication needs of schools and classrooms. Each package includes a lightweight PA system with a builtin 16-channel UHF (Ultra High Frequency) The range of electromagnetic frequencies from 300 MHz to 3 GHz. In the U.S., analog television has used UHF channels 52 to 69 in the 700 MHz band. microphone receiver, portable tripod, mounting bracket and Infrared remote control See IR remote control. . Users also receive a choice of handheld or hands-free microphones and an optional 16-channel UHF transmitter A device that generates signals. Contrast with receiver. that allows other devices, such as interactive whiteboards An interactive whiteboard is a large interactive display that connects to a computer and projector. A projector projects the computer’s desktop onto the board’s surface, where users control the computer using a pen, finger or other device. and computers, to be used in conjunction with presentations. Up to 16 adjoining classrooms that use the company's wireless speakers and microphones can use one transmitter without audio interference. CIRCLE #525 FOR INFORMATION [ILLUSTRATION OMITTED] |
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