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METRO-ZS

Audio Control Set includes digital and analog audio transmitters, receiver and recorder

The kit is designed for audio surveillance over digitally encrypted RF connections. It has the possibility to implement the remote control.

The set includes analog and digital audio transmitters and an audio receiver with recorders

This camera is mounted on a malfunctioning GSM phone. Put it simply on the table and no one sees that you are monitoring it, it has the ability to make both audio and video transmission. The camera is positioned to directly track the person in front of the phone. ( That's when you're antennae. Classic GSM phones have a camera in a flat place of cover, so its location prevents people from tracking.) This technology was developed only for hidden surveillance of persons.

The built-in high-quality electric microphone with compression amplifier with an extremely wide range of sensitivity control and noise filter (ACOUSTIC ZOOM) allows you to capture the sound of the compressor and the ticking of the wall clock. By pinching the short-circuit clutch in front of the module, it is possible to optimize the noise properties for voice operated recording (VOR) recording systems.

Radio professional listening equipment built into a fully functional power grid and permanently powered from the 230V~ distribution to the UKV frequency. The device is equipped with a special microphone with controlled noise gain from the eavesdropping room with a range of 15m -25m. The device itself can be captured only within a radius of 200m.

SET 1 also has a radio receiver paired with a transmitter in the kit. It is a simple single i.e. channel receiver without display, with the possibility of connection to the hearing aid and also with the possibility to connect to the recorder.

Digital Stereo RF Link with REMOTE CONTROL II VIP

Conversion algorithm analog-digital allows compression and transmission of images structured data. The use of such an algorithm allows for a significant improvement in the quality of the received signal, further expands the dynamic range and improves resistance to rf link interference.

The flexible structure of the system allows broadcasts according to two independent sound signals (stereo) with a high degree of separation with the mesichannel through only one channel. It also allows you to monitor the battery status. It is possible to switch between stereo / mono modes using the remote control. 

A miniature digital voice recorder (audio voice recorder) camouflaged into a colored metal roller for professional audio recording to your internal memory. The device is characterized by extremely small dimensions and weight, long enduminate, very low power consumption, wide frequency range, large dynamic range, highly sensitive built-in microphone and voice recording activation (VAS) function. ( voice activation – recording is only performed if you hear sound in the room)

Watching and mixing 8 audio channels - portable set. One operator is able to monitor and mix up to 8 microphones. Each channel has its own smooth high amplification level for pre mixing using a 10 bar volume indicator.

Very sensitive miniature microphones give high-quality sound via cable up to 10 km long. As a wired microphone the system is immune to detection of radio frequency detectors. There is also an output device for recording.

The ESH800K suppresses background noise and delivers instant crystal clear and intelligible sound. This is achieved by the operator choosing one of 8 levels of Digital Signal Processing (DSP) to match the noise in the environment, whether from air conditioning and from a construction site, or deliberately introduced noise.

A miniature digital voice recorder (voice recorder) for professional audio recording to your internal memory with higher recording quality. The device is characterized by extremely small dimensions and weight, durable metal packaging, long enduminate, very low power consumption, wide frequency range, large dynamic range, highly sensitive built-in microphone and voice recording activation (VAS) function. ( voice activation – recording is only performed if you hear sound in the room)

Portable wireless receiver and receiver next generation 2013.

Professional UHF eavesdropping with the ability to record on a memory micro SD card. This UHF interception has a range in ideal conditions (there are no obstacles between the receiver and the transmitter) up to 150 meters and offers perfect sound quality (in the room you will also hear the clock ticking). In the case of eavesdropping, for example, in the office, the range is shorter (about 50 meters), because the walls are obstacles to signal transmission.

So if you want to be able to remotely eavesdrop on the selected space while being able to procure a record, then this interception is the perfect option for you. This is a professional eavesdropping suitable for demanding users.

A miniature digital voice recorder (audio voice recorder) for professional audio recording to your internal memory. The device is characterized by extremely small dimensions and weight, charging from an integrated solar panel to its own Li-Pol battery, long enduasity, very low power consumption, a wide frequency range, a large dynamic range, a highly sensitive built-in microphone and voice recording activation (VAS) function.

Set consisting of an audio receiver and three bedbugs (a large-range bedbug, a medium-range bedbug and a miniature bedbug). The receiver uses a quality lithium battery with a capacity of 800 mA/h. Its dimensions are 90 x 57 x 23 mm.

The range of the large-range bedbugs is up to 2800 metres in the open and the battery life is up to 12 hours, its dimensions are 50 x 33 x 20 mm. Medium-range bedbug range is 500 meters in the open, battery life is 36 hours because it uses a high-quality lithium battery CR2032. Its dimensions are 25 x 22 x 15 mm. The smallest bedbug has a range of 500 meters, the battery life is also 36 hours, but its dimensions are only 20 x 10 x 8 mm.

A miniature digital voice recorder (audio dictaphone) camouflaged into a small box the size of 3x AAA flashlights for professional sound recording to your internal memory. 300 hours of audio recording, battery capacity up to 110 hours per charge, or replacing them. The sensitivity of the microphone is for that model up to 15m !

Thanks to the 5 x-split microphone, the voice recorder can record sound from a certain direction over a distance of up to 15 meters and significantly reduces the background noise of the microphone. Why is that possible? If the recorded object is located sideways from the direction of the microphones signal "cancel - cancel" due to the phase difference of downloading the sound of each microphone.

A miniature digital voice recorder (micro audio dictaphone) camouflaged into a leather pendant (embossed leather) on keys for professional audio recording to your internal memory. The device goes on sale in a beautiful wooden case. 

The device is characterized by extremely small dimensions and weight, long enduminate, very low power consumption, wide frequency range, large dynamic range, highly sensitive built-in microphone and voice recording activation (VAS) function. It records a routine conversation up to 12 metres away with the high quality of interview registration.

Radio bedbug, common parameters in the 94MHz frequency band ---- 98MHz, Range approx. 50m.

Description: Working voltage: 1.2V----- 9V 

Working current: 

3mA@1.2V, 

25mA @ 9V 

Hidden audio tracking up to up to 5.6km from the control unit - up to 10m separate microphones. For each of the channels there is a selection of miniature microphones that are powered by the central surveillance control unit. The system is fast easy to set up and operate.

Noise reduction

Microphones can be covertly installed in locations that must be monitored through existing or new wiring. Digital Noise Reduction system allows conversations to be understood, even if there is high background noise, whether introduced intentionally or natural.