Audio Surveillance Equipment

Our listening devices can be used for audio surveillance in a home, office or vehicle and will pick  up whispers from 30 feet. These ultra miniature transmitters are available concealed into a range of everyday items from a ballpoint pen to a pocket calculator. All products are manufactured using premium quality components for ultimate reliability and performance to give distortion free, exceptional quality audio. Our GSM devices use the mobile phone network to transmit audio and hence have no range limitations. We also manufacture a dedicated  UHF receiver for use in conjunction with our UHF audio surveillance and telephone surveillance transmitters. Contact us to find out more about any of our products.

Audio Surveillance Product Range

Home |  Audio Surveillance Product Range

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micro gsm listening device gsm4000u
Micro GSM Listening Device GSM4000u

The Worlds smallest fully integrated GSM Listening Device!
Listen to a conversation from anywhere in the World!!

The GSM4000u Micro GSM Listening Device is the pinnacle of GSM listening technology packed into an incred...

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ultraslim voice activated uhf room transmitter ustxvox
Ultraslim Voice Activated UHF Room Transmitter USTXVOX
Identical in size to the USTX model, except for a small external antenna. This Ultraslim UHF Room Transmitter USTXVOX is Voice Activated giving it the potential for...

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ultraslim uhf room transmitter ustx
Ultraslim UHF Room Transmitter USTX
The USTX is by far the smallest and lightest transmitter in our range. It measures 58mm x 29mm and at just 5mm thick it can easily be concealed inside a book, wallet, pocket etc or even be slid under a door. Unlike other room transmi...

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long range uhf room transmitter dptx100
Long Range UHF Room Transmitter DPTX100
The DPTX 100 is the most powerful room transmitter in our product range. The unique feature of the DPTX 100 is that it can be set to one of two power modes.

High Power - for use when ultimate transmission range is required (...

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ballpoint pen transmitter pentx
Ballpoint Pen Transmitter PENTX

This beautifully crafted, fully functioning ballpoint pen contains a concealed microphone and transmitter. It is perfect for body worn applications and for use in monitoring meetings. The pen utilises a specially shortened ink car...

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mains powered transmitters uhf mtx range
Mains Powered Transmitters UHF MTX Range
The MTX range of transmitters are powered by the mains supply to which they are connected. As long as there is a power supply the transmitters will operate indefinitely, without the need to change batteries. This makes them ideal for...

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computer mouse transmitter uhf mousetx
Computer Mouse Transmitter UHF MOUSETX
Compatible with any modern PC this PS/2 type mouse simply connects to the mouse port of the computer or keyboard. Concealed inside is an ultra-miniature microphone and transmitter circuit. The transmitter requires no batteries as it ...

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2-channel professional uhf receiver urx2
2-Channel Professional UHF Receiver URX2

The URX-2 is a dedicated pocket sized, 2-channel receiver for monitoring our range of UHF Room and Telephone Transmitters. Simply switch the receiver on, select the relevant channel and listen ...

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