UHF700-900 Four Channels Wireless Microphone

Elegant and compact receiver design idea for professional music concert performance. SYSTEM FEATURES SUMMARY a) Operation frequencies ranging from 700 to 900MHz; b) Optimized PLL-synthesiszes Minimize the Oscillation frequency drift resulting from the ambient temperature changing; c) Advanced dynamic polar, audio compress system inside make out perfect tune. d) Use two AA batatteries conveniently and durably; e) Codistor fixed inside to avoid large noise caused by wireless microphone interference. Due to Confidentiality agreement with our customer, we should not showany Brand name or Logo here. DETAIL SPECIFICATIONS System Audio Frequency Response: 40 14000Hz Dynamic Range : ≥90dB System Distortion : ≤1% Signal-to-Noise Ratio : ≥90dB Operating Range : Appr.100M Operating Temperature Range : - 5°C 45°C Carrier Frequency Range :700 900MHz Transmitter Frequency Stability : ±0.001% RF Output Power: ≤30mW Spurious Rejection :> 50dB Modulation Mode : FM Maximum Deviation Range : ±45KHz Microphone Mode :Dynamic Pre-Emphasis : 50μS Power Supply :1.5V AA Bat. Current Consumption :< 50mA Dimensions : φ50×270mm Weight : Appr.330g(No Bat.) Receiver Sensitivity : (S/N=30dB) <4μV Image Rejection :>60dB De-Emphasis : 50μS Audio Output Impedance : 600Ω±10% Audio Output Level :110mV Power Supply : DC11V 17V Current Consumption : < 500mA Dimensions : 423×240×58mm Weight : Appr. 1425g