The smallest occult transmitter that I know of is known as the Ultra Slim Card (transmitter).It looks like a credit card and is sold by surveillance equipment suppliers in Europe and South America. The dimensions of the card transmitter is 5mm (thickness)29mm width by 58mm in length. It operates on 3 volt hearing aid lithium type batteries which last for about 40 hours. The transmission power of this transmitter is 10mW, the frequency is modulated in the Narrow Band FM 3 Khz bandwidth and operates in the frequency range of 350 to 600 UHF MHz and is usually set with a crystal. It has an internal loop type antenna.It almost always comes with a microphone and a receiver (receptor). It seems to be sold by many dealers for about 1456 U.S.dollars but it is worth at about 800 U.S.dollars.Unlike many transmitters it can be hidden in a book, a wallet, the front pocket or on a high shelve.It has incredible sound quality, it can pick up whispers at about 12 yards away.I have determined that its distance is about 200 yards or less.
Interested in getting Counter-Surveillance services contact me via e-mail : [email protected] or
[email protected] I do travel throughout the United States, Canada, Mexico and Latin America to complete such services.
In my Counter-Surveillance services, I can or will sweep your home or office searching for occult listening devices, occult recorders and hidden transmitters. I will review all wires and signals going into or out of the building. If required I can train your security personnel to perform weekly reviews of your buildings. I can train your security personnel to install surveillance equipment and provide counter-surveillance sweeps. I also sell and provide counter-surveillance search equipment and surveillance devices. I will never reveal to anyone the names or services requested or given to any of my or possible clients. I will always maintain my honor and loyalty to my clients. All contract services are considered secret and confidential.
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