The Professional white noise generator & acoustic analyzer ANG2200 injects inaudible noise into the environment parameters to protect against eavesdropping. The ANG2200 will protect against but is not limited to voice recorders, radio microphones, GSM/3G “bugs” and wired microphones. This unit will operate at a frequency between 125 Hz - ~ 4 kHz. The ANG2200 will operates with a 12DC power supply. The unit measures 1.6 x 5.5 x 8 in. (4.1 x 14.0 x 20.3 cm.) and weighs 1.2 lb. (.5 Kg). This product usually takes 2-3 weeks to ship out after the order is approved.
NOTE: You must fill out this end-user license agreement before purchasing this product and fax the completed form to us at (773) 404-5549.
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Blocks out all the mics around very well. Couldnt hear anything at all