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460_KC_F_M_WIRELESS_MICROPHONE

2016-11-20 03:55  
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460_KC_F_M_WIRELESS_MICROPHONE
Radiates about 0.2 micromicrowatt directly from tank circuit to establish induction field within usable area of auditorium stage without exceeding FCC radiation field limitation. Normal speaking voice produces peak f-m deviation of about 10 kc.-G. F. Montgomery, Wireless Microphone Uses F-M Modulation, Electronics, 31:1, p 54-55.