1. Comprehensive characteristics RF carrier frequency range: 300-500 MHz (the specific frequency depends on the technical regulations in which the system is used.) Operating distance: 150 meters in an open area RF stability: ± 0.005% (-10 ° C-50 ° C) offset Degree ± 40KHZ with compression expansion and automatic volume limit circuit. S / N ratio:> 100dB Distortion: <0.5% A weighted 1KHZ Frequency response range: 50HZ ～ 18KHZ ± 3dB
2. Receiver specification receiving mode: non-automatic selective signal reception (automatic selective signal reception) Oscillation mode: quartz control sensitivity: when the offset is equal to 40KHZ, input 6dBmvs / n> 80dB harmonic interference ratio:> 80dB > 80dB false image interference ratio:> 70dB
3. Handheld microphone RF stability: 0.005% (-10 ℃ -50 ℃) RF output power: 10mW Oscillation mode: Quartz controlled harmonic radiation: <-55dBc <-40dBc Maximum input sound pressure: 130dB Microphone head: capacitive Or moving coil type battery: 1.5V (9V)
4. Bodypack wireless microphone RF frequency output power: 10mw Oscillation mode: quartz control Microphone head: omnidirectional, cardioid, supercardioid pointing lavalier or head-mounted condenser microphone.