  Unisar TV920 wireless TV listening device - 33 Foot (10 meter) maximum range - Over 15 hour battery life - 850 Nanometer infrared transmission mode - 2.3 MHz (left), 2.8 MHz (right) frequency modulation - 40Hz - 12,000 Hz frequency response - 1 % THD distortion - 40 dB signal to noise ratio - BeBe TV920 |
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