Thank you for viewing. This is a SHURE ULX1-JB wireless system. [Product Information: Refer to HP] ■ Wireless Transmitter ■ Bodypack ■ Radio Wave Type: F8W ■ Transmission Frequency: ULX1-JB/B type (806～810MHz) Any 1 channel out of 30 channels ■ Oscillation Method: Crystal controlled PLL synthesizer method ■ Antenna Power: 10mW ■ Antenna Type: 1/4 wavelength whip, 50Ω ■ Range: Approximately 100m (maximum value in a standard environment) ■ Tone Signal Frequency: 32.768kHz ■ Frequency Response: 25～15,000kHz, ±2dB ■ Maximum Input Level: +12dBV (1kHz, THD1%) ■ Gain Adjustment Range: 45dB ■ Input Connector: Switchcraft TA4M ■ Power Supply: 006P alkaline dry cell battery x 1 ■ Dimensions/Weight: 6.7W x 9.7H x 2.7D cm (excluding antenna), 79g (excluding dry cell battery)