Discreet communications | Discreet commun.

Discreet communication.

Generally it is possible to say, that all systems for hidden communication have transmitting and receiving part.

Receiving part:

The wireless earphone itself is the most difficult technical part. It must have miniature dimensions, minimum weight, high quality of sound, sufficient operating time, high safety during its usage, simultaneously it should be friendly to human ear. The present types enable to operate for several hundred of hours with usage of quality zinc-air batteries. There exist some types of wireless earphones, which do not need batteries. Its implementation to human ear canal is quick and safe. It does not require assistance of second person. The signal transmission is secured by induction transmission. Signal from receiver excites the inductor, then the wireless phone processes this signal and changes it to an acoustic signal in the ear canal. We can use radiostation, scanner, special single-channel receiver, GSM mobile... as receiver, simply all, what is sufficiently small and provides a quality reception of required signal.

Using the GSM phone mobile is ideal. Acceptable price of mobile is advantage, sufficient confidentiality of GSM system’s encryption, difficult discovering of such a system, we are not limited by distance, the minimum size enables a secret wearing on one’s body. If payment of mobile phone is not a disadvantage, the mobile phone as receiver is an ideal solution.

Transmitting part:

Hidden microphone under the clothes with sensitive preamplifier and transmitter provide for transmission of audio signal. If we request a larger range, then we will prefer the GSM mobile as a transmitter. In case we need to transmit a video signal, we can decide for transmission in GSM network eventually for a classic transmission at suitable UHF frequency. Wireless microphone and camera in pen, camouflage camera into a button, into a tie clasp ... these are only some of many offered possibilities of camouflage.

Particular technical solution and resultant set of system depends on actual situation. We will be  glad to assist you with configuration of the system according to your request, for using in areas where defence means, jammers, noise generators, etc. are applied.

Miniature audio earphone of discreet comunnication MINI   [detail] A miniature audio earphone for hidden communication MINI model for inductive applications. 198,00 €  pieces		Invisible earpiece SEH08   [detail] Producer: made in .... An invisible wireless earphone. It is virtually invisible when put inside the ear. Provides covert audio reception. You can listen to conversations with a maximum discreetness. Thanks to its miniature ... 130,00 €  pieces
Invisible earpiece SEH05   [detail] Producer: made in .... An invisible wireless earphone. It is virtually invisible when put inside the ear. Provides covert audio reception. You can listen to conversations with a maximum discreetness. Thanks to its miniature ... 112,00 €  ks		System of secret wearing with inductive transmitting loop and built-in extreme sensitive microphone.   [detail] A secret wearing set with an inductive transmitting loop and built-in highly sensitive microphone Knowles for Nokia phones 33,00 €  pieces
Inductive loop to wireless earphone   [detail] Producer: made in .... A universal inductive loop suitable for all models of wireless earphones offered in our e-shop. After a required reduction it can be used with any type of mobile phone or transmitter. It is recommende ... 36,00 €  pieces		Inductive loop to wireless earphone   [detail] Producer: made in .... Universal inductive loop suitable for all models of wireless earphones offered in our e-shop. After a required reduction it can be used with any type of mobile phone or transmitter. 36,00 €  pieces

  

Server operator: TEDIMA Ltd, Hurbanova 3154/66, 916 01 Stara Tura, Slovakia
Phone: +421907357330, www.spionproduct.com, info@spionproduct.com

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