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COVER STORY

You can broadcast voice or musie with łhis pocket-size eombination microphone and łransisłor transmiłter

By DANIEL MEYER

HAVE you evcr gotten tanglcd up in your microphone cord while using a public address system, or needed a port-able listening system for baby-sitting or telcphone monitoring? If you have, you can readily appreciate the usefulness of a wireless microphone system. Here s one that will w'ork with your FM tuner or radio. With the FM Wireless Microphone. you can convert your p a. system to cnable you to w^falk about frecly as you use it—just add an FM tuner to your p.a. system if it docsn’t alrcady have one.

The FM Wireless Microphone is actual-ly a smali FM transmitter that can be tuned to a vacant spot on your FM radio. In the FM frequency rangę, only a smali antenna is needed to rudiate a usable sig-nal throughout a building. FCC regula-tions permit the use of such devices as long as their output docs not causc harm-ful interfercncc to licensed semces. The entire unit including battery is no larger than a pack of king-size cigarettes. Its rangę is 50 to 100 feet with a 3" antenna. ( The rangę can be inereased by using a longer antenna.)

A printed Circuit board and prefabri-cated case aro available to enable you to build a unit identical to the model showm here. An external microphone jack permits use of program materiał from a remotely located AM radio, record player, tape recorder, etc.