Audio Technica ATW-1101
$319.99
Operating Frequencies    2.4 GHz ISM band (2400 to 2483.5 MHz)Frequency Response    20 Hz to 20 kHz Depending on microphone typeOperating Range    30 m (100') typicalOpen range environment with no interfering signalsTotal Harmonic Distortion    <0.05% typicalOperating Temperature Range    0° C to +40° C (32° F to 104° F)Battery performance may be reduced at very low temperatures

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Operating Frequencies    2.4 GHz ISM band (2400 to 2483.5 MHz)
Frequency Response    20 Hz to 20 kHz Depending on microphone type
Operating Range    30 m (100') typical
Open range environment with no interfering signals
Total Harmonic Distortion    <0.05% typical
Operating Temperature Range    0° C to +40° C (32° F to 104° F)
Battery performance may be reduced at very low temperatures