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Kit#: QK06
MINI FM TRANSMITTER :
The very best kit for the beginners and students. You just talk near the Condenser Mic ,it will broadcast, and recieve at the FM reciever .Easily tunable in the FM band. 9V battery (not supplied with kit) is used for power supply.
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Kit#: QK30
FM MIC HIGH SENSITIVE :
The very best kit for the beginners and students. You don't want to talk near its Condensor Micjust talk, hide it any where in the room, it is ver sensitive, it will broadcast, and you can recieve the conversation at the FM reciever .Easily tunable in the FM band. Vari Cap can be use for changing frequency. 1.5V battery (not supplied with kit) is used for power supply. You can hide this kit in the match box easily.
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Kit#: QK38
VHF TRANSMITTER KIT :
This kit is very old. Its a VHF transmitter using to block the transmission at television, only disturb picture but not voice and can work at only VHF and transmission recieved with the help of normal antenna. 9 volt battery needed for power supply. (battery not supplied with kit).
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Kit#: QK46
MOSQUITO AWAY :
Ultrasonic transmitter at 40 Khz with piezo disc operated by directly 220 V AC . This is the repeller for female mosquitoes.
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Kit#: QK62
FM RECIEVER KIT :
FM radio reciever kit operating at 12V DC. From 88Mhz to 108Mhz. Very best reception. We use IC CXA 1019M.
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Kit#: QK70
AM RADIO KIT :
THE Super Heterodyne Radio Reciever Kit. Complete AM radio on a PCB. Tuned radio frequency front-end, RF amplifier & detector and two stages of amplification of the audio signal into a speaker. All components supplied. Coil prewound. Excellent for schools.Operated at 6V DC( 4 x AA size cells).
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Kit#: QK129
TELEPHONE TRANSMITTER VER 1.0 :
Miniature transmitter which attaches in series with one of the two lines to your telephone. Transmits over 50 meters to an ordinary FM receiver. Transmits further if the FM receiver is near the phone line.Uses the phone line as an aerial and power source.
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Kit#: QK130
TELEPHONE TRANSMITTER VER 2.0 (LONG RANGE) :
Miniature transmitter which attaches in series with one of the two lines to your telephone. Transmits over 200 meters to an ordinary FM receiver. Transmits further if the FM receiver is near the phone line. Tune with ceramic trim cap. Uses the phone line as a power source, aerial is necessary.
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Kit#: QK141
NEW FM TRANSMITTER :
The most powerful 'bug' available for its size, 9V supply and number of components. Guaranteed to transmit over 50 meters within buildings and to 100 meters in the open. Easily tunable in the FM band. Greater range at better aerial.
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Kit#: QK142
NEW FM TRANSMITTER . 2 TRANSITORS & ADJUSTABLE FREQUENCY :
The most powerful two stage 'bug' available for its size, 9V supply and number of components. Tune with ceramic trim cap. Guaranteed to transmit over 100 meters within buildings and to 500 meters in the open. Easily tunable in the FM band. Greater range at better aerial.
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