UHF四通道系列；采用数字导频解码静音电路，确保接收机唯一接收本系统的座咪的信号，防止产生串频和其他干扰频率出现的现象，确保多台接收机同时工作。红外对频；采用最新技术，稳定性强，音色清。清晰度高，指向性强,拾音距离长（35cm）,抗手机干扰信号的电容式咪芯。适用于大型的会议室等场所使用。

UHF quad-channel series; Digital Pilot Decoding & Muting Circuit to Ensure Receiving the Signal of the Matching Microphone to prevent string frequency, noise and other disturbance frequency & to ensure several units working at the same sites. With the latest technology, strong stability, clear sound resolution, high sensitivity, long range pickup(35cm),condenser microphone with anti-interference from phone signal, suitable for large conference rooms, etc. 

接收机技术参数                    

■机箱规格：EIA标准1U

■通道组数：四通道

■载波频率范围：UHF 500~860MHz        

■频率响应范围：40Hz~18KHz±3dB

■振荡方式：PLL 相位锁定频率合成

■灵敏度：在偏移度等于25KHz,输入6dB V时， S/N>60dB

■频带宽度：32MHz

■最大偏移度：±45KHZ       

■频率稳定度：±0.005%

■综合THD：<0.4%@1KHz   

■使用距离：一般80米（空旷地方）

Receiver Specification

■Receiver Specification: EIA standard 1U

■Channel: Quad Channel

■Frequency Range: UHF 500~860MHz  

■Response Frequency Range:40Hz~18KHz±3dB

■Oscillation mode: PLL-Phase Locked Loop Frequency Control

■Sensitivity: Frequency Deviation=25KHz, input 6dB V, S/N>60dB

■Frequency Width: 32 MHz

■Maximum Deviation: ±45KHZ

■Frequency Stability: ±0.005%

■THD: <0.4%@1KHz

■Working Range: 80 Meters( in open area)

发射机技术参数

■载波频率范围：UHF500~860MHz       

■谐波辐射：<-63dBm             

■频带宽度：32MHz

■最大偏移度：±45KHZ

■音头：电容式，心型指向性

■RF功率输出:8mW~20mW

■电池：AA*2

■电流消耗：110mA（典型）

■电池寿命：8小时

Transmitter Specification

■ Frequency Range: UHF 500~860MHz

■ Harmonic Radiation: <-63dBm

■ Frequency Width: 32 MHz

■ Maximum Deviation: ±45KHz

■ Capsule:Condenser, Directional&Cardioid Microphone

■ RF Power Output: 8mW~20mW

■ Battery: AA*2

■ Current Consumption: 110mA(Typical)

■ Battery Life: About8 Hours