A
covert listening device, more commonly known as a "bug",
is usually a combination of a miniature radio transmitter with
a microphone.
The use of bugs, called bugging, is a common technique
in espionage and in police investigations.
A modern bug is very different from the common RF transmitters
system because the GSM
communication technology has improve it. In the investigation
field, miniaturized GSM audio transmitters are much appreciated
due to their flexibility and easy use.
In fact a GSM bug microtransmitter doesn't know limit of range.
Some new UMTS bugs also permit the Video monitoring, the State-of-the-Art
Surveillance Systems.
S.I.S. Security Intelligence Services' Bugs &
Microtransmitters Systems has a wide range of applications form
the professional to the novelty uses as well as GSM & RF Bug Systems,
Digital Wiretapping Systems, Voice Activation Systems (VAS), Frequency
Crystal Control Systems, Amplified Transmitter Microphones, Motion
Sensor and Vibration Systems.
S.I.S. guarantees quality and reliability in
the Products and the proposed Solutions. |
