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

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