PRIMATECH WCS40U Wireless Microphone

Frequency Range: UHF 600-900MHz, Modulation: PLL, Adjustable Range: 50MHz, Channel: 4x50, Frequency Interval: 250KHz, Frequency Stability: within ±0.005%, Dynamic Range: 100dB, Maximum Frequency Deviation: ±45KHz, Frequency Response: 80Hz-180KHz ±3dB, S/N: >105dB, T.H.D: 0.5%, Receiver Mode: Double Conversion Superheterodyne, Intermediate Frequency: First: 110MHz, Second: 10.7MHz, Wireless Interface:BNC/50W , Sensitivity: 12dB V(80dBS/N), Sensitivity Adjustable range: 12-32dB V, Spur Suppression: 75dB, Maximum Output Level: +10dBV, Output Power: High: 30mW, Low: 3mW Spur Suppression: -60dB, Power Supply: 2x1.5V AA battery, Battery Life: less than 10 hours (30mW), less than 15 hours (2mW)