Fixed frequency UHF radio microphone. - 32 Khz digital pilot tone. - USB power adapter. - Frequency range 823/832. - Range 30 meters. - Up to 3 simultaneous frequencies. - ABS case. - Handheld transmitter with cardioid capsule RECEIVER RF Frequency Band UHF: 823-832 MHz RF Sensibility -105 dBm RF Image/Spurious Rej. RF Interference Reject. RF Frequency Stability ±0.002% THD Distortion S/N Ratio >105 dB Frequency Response 50 Hz – 15 KHz (±3 dB) Power Supply 5V DC 300mA Dimensions (mm) 175 x 135 x 45 HANDHELD TRANSMITTER RF Frequency Band UHF: 823-832 MHz RF Power <10 dBm Modulation method FM (F3E) RF Max deviation RF Frequency Stability ±0.002% Spurious Emission under limits EN 300422 Frequency Response 50 Hz – 15 KHz (±3 dB) Power Supply 2x1.5V AA alkaline bat Dimensions (mm) 235 x 50 x 50