DVR ALL IN ONE: a spy recording system that beats competition

Among all concealable audio-video recording systems on the market, DVR ALL IN ONE is probably the device which better meets the professionals’ needs, as well as those ones of private people who deal with deferred A/V monitoring operations. This principally because of its small size, allowing the concealment without problem,

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High power UHF digital audio monitoring system: the choice of professionals!

Among all audio monitoring systems equipped with UHF digital bug, the high power wireless transmitter receiver kit DIGI-UHF stands out for its innovative features linked to radio frequency listening from the distance. This amazing transmitting/receiving kit is commercialized with two kind of transmitters, DIGI12-UHF (400m range) and DIGI100-UHF (range over

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How to eavesdrop from a distance with a GSM bug transmitter

One of the most interesting features of audio GSM bug transmitters is basically the ability to eavesdrop room sounds or voices from any distance without the use of a receiver. You only need to call the SIM number inserted in the device in order to activate it. Said that we

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