Operating range: 15 meters(MAX), without signal disturbance and no direction limit.
<br />Frequency range: 2.403GHZ ~ 2.480GHZ
<br />Operational voltage: 3.3V
<br />Charge Voltage: 4.4V ~ 5.25V
<br />Modulation: GFSK
<br />Channel: 78channels
<br />TX Power: less than +5dBm
<br />Transmission rate: 1M bit
<br />Frequency tolerance: +/-30ppm
<br />Power consumption: 55mA(on), 1mA(sleep)
<br />Battery Type: Built-in lithium-ion battery
<br />Item size: 15 * 10 * 2cm
<br />Item weight: 109g
<br />Package size: 17 * 14.5 * 3.5cm
<br />Package weight: 175g