WIRELESS MICROPHONE
sa FM RADIO TRANSMITTER
xx EAVESDROPPING DEVICE
xx MICROPHONE
Closed circuit wireless transmitter for broadcasting over your own home radio and nearby radios. ELECTRONICS ILLUSTRATED Jul 1965 (v.8#4) pg. 32
AM wireless microphone operates over 10 to 50 ft. and is concealed in a cigarette package. Est. cost: $20. ELECTRONICS ILLUSTRATED Jan 1968 (v.11#1) pg. 29
Wireless microphone has adjustable frequency from 700 to 900 kc and range of 20 feet. Electronics fit inside the mike case. ELECTRONICS ILLUSTRATED Jan 1970 (v.13#1) pg. 73
Telephone broadcaster. Group listening to telephone conversations is possible thru a short-range broadcast band oscillator, a portable radio, and an induction coil pickup under the telephone. Maximum range of 100 ft. Est. cost: $8. ELEMENTARY ELECTRONICS Jan-Feb 1967 (v.3#3) pg. 55
Wireless microphones. What is available and what to use them for. ELEMENTARY ELECTRONICS May-Jun 1979 (v.19#3) pg. 43
Schematic for an audio transmitter, one of the simplest voice-transmission circuits that can be built. Tune it to any frequency in the broadcast band. HANDS-ON ELECTRONICS Apr 1987 (v.4#4) pg. 88
Ultraminiture radio transmitters. What is available commercially plus instructions for making your own miniature units. MODERN ELECTRONICS [2] Dec 1986 (v.3#12) pg. 60
Wireless microphone circuit. POPULAR ELECTRONICS [1] Mar 1964 (v.20#3) pg. 73
Transistor wireless microphone circuit. POPULAR ELECTRONICS [1] Jul 1964 (v.21#1) pg. 65
Transistorized wireless microphone circuit. POPULAR ELECTRONICS [1] Oct 1964 (v.21#4) pg. 64
Wireless rebroadcaster attaches to speaker leads of radios, TVs, phonographs, etc., and broadcasts through your own AM sets. POPULAR ELECTRONICS [1] Jan 1965 (v.22#1) pg. 47
Wireless microphone circuit operates in AM broadcast band. POPULAR ELECTRONICS [1] Jul 1965 (v.23#1) pg. 70
AM wireless microphone circuit. POPULAR ELECTRONICS [1] Aug 1965 (v.23#2) pg. 103
Circuit for an AM wireless microphone featuring a single pnp transistor used as a modulated oscillator. POPULAR ELECTRONICS [1] Jul 1966 (v.25#1) pg. 81
Short-range transmitters broadcast through any ordinary AM radio. Three circuits discussed. POPULAR ELECTRONICS [1] Jun 1968 (v.28#6) pg. 68
Wireless microphone for broadcast band radio. Two transistor circuit. POPULAR ELECTRONICS [1] Jul 1968 (v.29#1) pg. 81
Circuits for a wireless microphone for both AM and FM broadcast band. POPULAR ELECTRONICS [1] Jul 1980 (v.18#1) pg. 83
Circuit for a simple, single-transistor vhf wireless microphone. POPULAR ELECTRONICS [1] May 1981 (v.19#5) pg. 84
A five-way radio breadboard includes a wireless mike, touch alarm, code transmitter, phono oscillator, and AM receiver. POPULAR MECHANICS Apr 1965 (v.123#4) pg. 196
Wireless microphone for short-distance broadcasting to standard AM receiver. POPULAR MECHANICS Jan 1966 (v.125#1) pg. 194
Cordless AM microphone acts as guitar amplifier. POPULAR MECHANICS Oct 1966 (v.126#4) pg. 198
Wireless AM microphone powered by 9-volt battery. RADIO-ELECTRONICS Dec 1981 (v.52#12) pg. 52
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