Special powerful pulse jam. In many cases, it is not desirable that the ongoing secret negotiations be recorded on hidden dictaphones.

Special powerful pulse jam. In many cases, it is not desirable that the ongoing secret negotiations be recorded on hidden dictaphones. However, finding out the presence of such a common means as a dictaphone is unfortunately virtually impossible without a personal examination of the persons involved. In principle, the only protection in this situation was until recently noise generators. However, these require professional installation and adjustment, but have an unpleasant side effect – it greatly disturbs the discussion, and at the same time the counterparty is given distrust, which is not obviously appropriate in the course of trade.

Jaek dictaphone TRD04Virtually the only way to stop recording a conversation with hidden dictaphone is to unobtrusively disrupt its proper function. It is for this purpose that a special powerful pulse jammer has been developed. It comes in stationary or mobile design. Stationary design is designed for fixed installation in meeting rooms or offices and is built into a classic plastic box. Mobile design can be worn to deal with foreign premises. For this reason, they are equipped with batteries by remote control and are firmly built into the plastic diplomat briefcase. The protection of the battery against excessive discharge is ensured by the microprocessor. Unobserved on and off the operator controls the keychain remote control ( min. range is 10m ).

The device requires a directional antenna at an angle of approximately 75 spupnov, where it emits a strong high frequency field in that direction. This pulsed VF field is insecuted on the signal paths of the dictaphone (possibly another recording agent) and is reflected in the recording as a strong interference that cannot be removed by any means (this is uncontrollable firing noise). This makes the signal from the microphone a light-treated signal, causing the recording to be deprestilled in fact.

The jamcard is effective against analog cassette dictaphones as well as digital dictaphones. In practice, the most common radio eavesdropping VHF located in the direction of interference has also been demonstrated. Less efficiency was reflected only in the answering machines on mobile phones; however, these are not used for hidden recording purposes due to limited capacity and low sensitivity. The device does not emit any sound during its operation and its operation is completely discreet. The directional antenna increases the field strength in the direction of 10x and is part of the version.

The device may cause isolated disturbances in the direction of radiation and in its vicinity of sensitive electronic equipment, e.g. in the direction of radiation and in its vicinity. memory media with magnetic recording.

The direction of radiation is still in the direction of the set antenna and the radiating lobe (approx. 75°). The restriction is usually not related to the user, given that it is mostly on the side radiated, where the signal is several times weaker.

Device parameters:

Transmission frequency: 9.7.0. Xx

Peak pulse power with directional antenna: 600 - 900 W

Power supply: 24V DC

Equipment consumption: 1,5 to 4A pulse

Efficiency: 2-8m analog dictaphones

Efficiency: 2-4m digital dictaphones

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