1.uhf wireless karaoke microphone system 2.Selection match:clip mic 3.Anti-jamming circuit 4.excellent workmanship

EALSEM UW-831   uhf wireless karaoke microphone system   

System parameter

Carrier frequency:UHF 735-806MHZ

Modulaton mode:FM

Channel number:2 channel,random set 200 frequency

Frequency interval:250KHZ

Frequency stability:+/-0.005%

Dynamic range:100dB

Max modulation:+/-55KHZ

Frequency response:70HZ-18KHZ(+/-3dB)

S/N rato:>105dB

THD:  ≤ 0.5%

Working range:About 100M(without obstacle)

Receiver

Receiver mode:Heterodyne frequency comversion receiver

Intermediate frequency:130.4MHZ,10.7MHZ

Antenna switch in:BNC/50 Ω

Sensitivityadjust range:-103dB

RF squelch: ≥ 85dB

Max level output:+/-10dB/v

Transmitter

Antenna:Handheld microphone with built-in screw antenna,pocket transmitter with 1/4' wavelengh scourge antenna

Output power:30mV

RF squelch:60dB

Power:2*1.5V AA

Battery life:About 10 hours