A GSM bug is very different from the common RF transmitters system
because the GSM Network 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
S.I.S. Security Intelligence Services's GSM Bugs
has a wide range of applications form the professional to the
novelty uses as well as GSM Bug Systems, Digital Wiretapping Systems,
Voice Activation Systems (VAS), Motion Sensor and Shock Activation
S.I.S. guarantees quality and reliability in
the Products and the proposed Solutions.