Ultrasound jammerSEL-310 is designed to fully protect dialoguePreventRecording Equipment and MicrophoneSuch as mobile phones (including smartphones), recorders, audio 1 (including professional and digital), radio and wired microphones.
SEL-310 ProductionA complex Ultrasound noise directly affects microphone diaphragm.
SEL-310Can be placed inOn the conference tableOr in a briefcase.
Features:
Number of ultrasonic radiators：10individual
open/ Closing：Wireless remote control
interfereRange：from0.5 to 10 meters (depending on the type and location of the microphone)
Running time of continuous battery：Not less thanFive hours
Shape size ：110x110x45 mm