GSM Microtransmitter 
To monitor, simply dial the number of the SIM card inserted in GSM transmitter from your phone and you are immediately and clearly listening to all of the audio activity in the area of our microtransmitter. It also has the ability to dial your pre-programmed number whenever there is voice in the room where it is planted.
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GSM Transmitter with motion activated alarm
To monitor, simply dial the number of the SIM card inserted in GSM transmitter from your phone and you are immediately and clearly listening to all of the audio activity in the area of our transmitter. The controller can access (with pre-programmed number) and listen to the GSM monitor at any time. The GSM Transmitter will contact a pre-programmed phone number if it senses movement. View Details

Microtransmitter UHF
This miniature professional room transmitter is extremely sensitive to sound. It will pick up voices and transmit with amazing clarity to our UHF Receiver.
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Concealed microtransmitter UHF
In this example the transmitter is concealed in a remote control unit. It is sensitive enough to pick up even whispers from any part of the room. It will pick up voices and transmit with amazing clarity to our UHF Receiver.
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Receiver UHF
This UHF receiver can monitor with superb clarity our room transmitters. It's sensitivity and reception is incredible. It can receive the signal from any of our UHF transmitters for long range use with amazing clarity.
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PC Controlled receiver
This is a PC peripheral receiver that requires no internal hardware additions or modifications.
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