Ultrasonic voice recorder jammer aimed to prevent you from unsanctioned recording on digital voice recorders, Dictaphones, smartphones and other voice recording devices.

This jammer can be used where negotiations and talks take place. The unique feature of this unit is that it has 48 ultrasound emitters, which are placed in circle for jamming any voice recording devices around the jammer.

Due to its formation we could achieve 10 meter suppression around the jammer.

This range however depends on voice recording device and its quality. Jammer works as a directional ultrasonic suppressor, inflicting jamming on voice recording device’s microphone membrane, which makes impossible to record or comprehend your conversation within jammer range. Additional acoustic jamming creates noise background which is human-like speech, which can be adjusted. In case when your conversation was recorded, the record will contain lots of voices making it harder to distinguish a single one.

The “GTG-2070 GSM” dictaphone suppressor is a suppressor of all types of dictaphones intended for use in office and meeting rooms. The device is mounted under the table, and emits ultrasonic directional waves in a radius of 255 °, preventing possible audio recording. This device is equipped with 24 ultrasonic emitters, the impact of which on recording devices will not allow the recording of a conversation. The power of the suppressor is carried out from 220V or from the battery (optional). For inconspicuous on and off, a remote control is provided.

The “GTG-2070 GSM” suppressor is intended for indoor use and is installed under the table at which negotiations are planned. Thanks to the directional ultrasound emitters, audio recording is possible only from your side behind the suppressor. The interlocutorswill not be able to record the conversation, since the emitters of the suppressor will be directed in their direction.

Features
Only you can record a conversation.

DTN-Ultrasonic voice recorder and Smartphone jammer GTG-2070 GSM is a device use to suppress all recording devices within a radius of 255 °. Only you can record.

DTN-Ultrasonic voice recorder and Smartphone jammer GTG-2070 GSM emitters affect the microphone use in secret recordings, thereby making it difficult record and damage any recordings.

Blocking data transfer. The built-in communication suppressor blocks communication in the GSM, Wi-Fi, 3G, 4G, LTE, GPS bands, thus making the transmission of information impossible.

The suppressor is fixed under the table, hidden from the views of visitors, and it works r silently.

The backup battery  can last for about 2hour in the absence power.

Protection from laser microphones (optional,). At your request, this device can be equipped with special vibro-acoustic emitters, which prevent remote reading of information from the window glass of the meeting room and provide reliable protection against laser microphones.