Remote Control Audio SystemThe QT-5100 PlayerMic utilizes the RCAS™ (Remote Control Audio System) a revolutionary way to remotely control transmitter settings from a central computer or hand held remote control. The remote functions allow technicians to control; on/off, monitor status and battery level and make on-the-fly adjustments of frequency, mic gain, RF power level, mode and grouping, all wirelessly.3000 ChannelsThe QT-5100 PlayerMic offers approximately 3,000 channels. It is tunable from 525 to 600 MHz in 25 kHz steps.Comfortable and ConcealableThe QT-5100 PlayerMic has a sporty rubberized, flexible case as required for professional sports.  This transmitter is the long life version (8hr run at 50mW) of the QT-5100 PlayerMic S, which is the version used exclusively by the NBA.  Weighing less than 2 ounces and only a 1/3rd of an inch thick, the QT-5100 joins the QT family as the most comfortable audio transmitters in the industry. Technical Data• Dimensions: 98mm x 42mm x 11mm• RF output power: 10 to 250mW (user selectable, country restrictions apply)• Number of channels: approx. 3,000• RF frequency range: 525 to 600 MHz• Switching bandwidth: 75MHz (25 kHz steps)• Modulation: FM• Nominal deviation: +/- 40 kHz• Peak deviation: +/- 54 kHz• Pre-emphasis: 50 us• Compander: Q5X DCS-QT• Signal to Noise: 110dB (A) RMS• Frequency stability: +/- 0.001%• Spurious Emission: