Hidden microphones for discreet listening

November 10, 2010 Technology No Commenti

Audio surveillance has taken giant leaps forward over the past decades, for example, with the introduction of GSM bugs, which can transmit their intelligence at an unlimited distance thanks to the built-in SIM card that allows, with a simple phone call, to listen in real time to conversations that take place even on the other side of the world.

However, the heart of an operation covert listening is made up of miniature microphones which, at least in appearance, have not changed too much if compared to what we were used to see in old spy movies taking place in countries and times beyond the Iron Curtain.

Obviously, with technological advancement, the characteristics of modern surveillance microphones have dramatically changed for the better now, because we have microphones that are increasingly smaller but much more powerful, able to capture sounds from a distance of a few tens of meters, equipped with noise filters that allow you to cut off background noise, so you can hear very clearly what really a surveillance operation is all about: the human voice.

There are several types of microphones, coming in small size comparable to a cigarette butt, capable of operating in different environmental conditions, and of transmitting their intelligence via radio over a wide frequency range, between 20 and 16000 Hz.
Every police operation or private investigation which requires the use of miniature microphones, has different characteristics and therefore needs a specific type of equipment and microphone.

To guide you in choosing the right hidden microphones to suit your needs, it is important to contact an expert, therefore we recommend that you visit the Endoacustica website, where you will find answers to all your questions in this particular field.

A flying camera to create your personal maps

November 10, 2010 Technology No Commenti

The latest tool for aerial surveillance over limited areas, for traffic control and a host of other applications, comes from Switzerland, where SenseFly have just launched their Swinglet CAM, a small drone that can take off autonomously, follow a predetermined route through a GPS positioning system, and return to the ground automatically.

Swinglet Cam, which of course can also operate via a remote controller from the ground, during its flight can take pictures and movies in high definition, which can be used for a wide range of applications; for example, with this camera you can monitor traffic in the neighborhood, keep eyes on grazing cattle on the fields, or even create a photographic map of the area.

Obviously then, this flying camera may prove useful for air surveillance operations, as it is ideal for monitoring movements within a relatively limited area. Its operating range in pre-programmed mode is approximately 20 km, with a flight time of about 30 minutes and a top speed of 50 kilometers per hour.

Its flight path can be programmed by entering up to 20 GPS coordinates. As long as the Swinglet is at a distance of less than 2 km from the remote control, you can change these details at any time.
The equipment on board the Swinglet includes an integrated 12 megapixel camera, a radio modem for transmission, and of course a battery pack with its charger. By installing its proprietary software on your computer you can control the drone from the ground, but there is also a version which comes with a rugged ground station used as a remote control.

The price has not been disclosed yet (probably because it will not exactly come cheap), but those interested can contact SenseFly for a quotation request.

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 SPY PHONE
spyphone A SpyPhone or GSM Spy cellphone, is a normal mobile phone, where a software has been installed, which allows a third party to monitor the activities of the phone user. To avoid suspicions, a Spyphone must be given either as a present (for family members monitoring) or given as company equipment (for personnel monitoring).

 MICRO DIGITAL RECCORDER
digital video recorder Micro digital recorder with vocal activation have recording time of 1200 hours long. They went out from the big screen to enter by force in the life of every day, in the most diverse situations that until a few years ago even the vivid imagination of a writer of espionage could have imagined.
 WALL MICROPHONES
Wall microphones to listen through walls up to 70 cm. Ultra sensitive professional stereo microphone, suitable to pick up the lowest noises thanks to its very high sensitive ceramic microphone. Limpid and stable sound. Endowed with sockets for recorder and earpiece.
 PHONE VOICE CHANGER
The phone voice changers when interposed between handset and phone, will change your voice into another one. It transforms any voice into a masculine, feminine, adult or child one.The voice changer can be adapted to cell phones, cordless phones, speakers and microphones, recording systems, or connected to switchboards. The reproduced voice is not a robotic but a human one.
 REAL TIME TRACKERS
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Real time trackers are designed for those who need to keep their pets under control, while limiting the relevant cost, but also to locate precious objects or to remember where you parked your car.

 ANTI-DROWNING AND ANTI-LOSS ALARM
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Anti-drowning defender is an alarm device which combines anti-drowning and anti-loss alarm, and works effectively as an electronic safety device for protecting children or pets from drowning and loss.

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