Comprehensive parameters
RF carrier frequency range: 600-900 MHz
(The specific frequency depends on the technical regulations in which the system is used)
Usage distance: 200 meters in open areas
RF stability:+0.005% (-10 ° C-50 ° C)
Offset:+40KHz with compression expansion and automatic volume limiting circuit
S/N ratio:>100dB
Distortion:<0.5% A weighted 1KHZ
Frequency response range: 50Hz -18KHz+3dB
Receiver parameters
Receiving method: Non automatic message selection receiving
(Automatic message selection and reception)
Oscillation mode: quartz control
Sensitivity: When the offset is equal to 40KHz, when driving into 6dBmvs/n>80dB
Harmonic interference ratio:>80dB
False interference ratio:>70dB
Handheld microphone
RF stability: 0.005% (-10 ° C-50 ° C)
RF output power: 10mW oscillator
Swing method: quartz control
Harmonic radiation:<-55dBc<-40dBc
Maximum input sound pressure: 130dB
Microphone head: dynamic coil type
Using battery: 1.5V (9V)