产品介绍
MR-3000为VHF双频道单接收无线系统，采用VHF频段石英锁定固定频率，具有出色的发射稳定性。其中包括自动杂讯检测静音控制技术、杂音噪音锁定功能、天线分集接收等核心技术，以提供稳定的发射和接收。
MR-3000双通道单接收接收机
功能特点：
■ MR-3000采用双重抗干扰音频锁定码导频电路
■ 采用军用高频元件,稳定可靠
■ 专业传声极头,高质保真,19英寸机架安装
■ 接收方式:双频道单接收
技术规格：
MR-3000接收机
机箱规格：EIA STANDARD 1U
频道组数：Dual channel
载波频段：VHF 170～260MHz
调制方式：FM
振荡方式：Quartz-controlled fixed frequency
灵敏度：在偏移度等于25KHz,输入6dBμV时,S/N>60dB
蕞大偏移度：±25KHz
综合S/N比：＞89dB
综合T.H.D.：＜1.2% @ 1KHz
综合频率响应：50Hz～18KHz±3dB
电源供应：0.5A，12～15VDC
输出插座：φ6.3mm不平衡式插座
手持式发射话筒
载波频段：VHF 170～260MHz
振荡方式：Quartz-controlled fixed frequency
载波功率：3mW
谐波辐射：＜-55dBm
蕞大偏移度：±25KHz
音头：Dynamic
使用电池：one 9V battery
电流消耗：＜22mA
腰包式发射器
载波频段：VHF 170～260MHz
振荡方式：Quartz-controlled fixed frequency
载波功率：3mW
谐波辐射：＜-55dBm
蕞大偏移度：±25KHz
输入插座：3.5 earphone
音头：Condenser
使用电池：one 9V battery
电流消耗：＜22mA
关于力卡Relacart
“Relacart力卡”主营品牌系列产品：各类音频会议系统，有线无线麦克风,他们核心业务是为集成商、工程商等合作伙伴提供会议室完整解决方案，为渠道经销商提供专业娱乐器材设备的渠道销售服务。
广州力卡电子有限公司创建于1994年，是集研发、生产、销售为一体的专业音响器材设备制造企业。拥有现代化厂房、先进的流水生产线、齐全的精密检测设备，构建有完善的质量保证体系，公司及产品先后通过ISO9001:2000国际质量体系认证，中国国家强制性产品3C认证。
Relacart is the company founded in 1994 by Professionals who wanted to make difference to things done before. Relacart aims at bringing things of future technology for today. Relacart is dedicated in designing, manufacturing, marketing and distribution professional audio products. We have started from Microphone, Conference System and Mixer. Now we are doing production of Digital wireless Microphone, Digital Wireless Conference System, Tour Guide System, Public Address System, Etc. We have full equipped sound test lab to provide you all type of Test and Repots. We have most advance equipments to produce Hi- end products. We are using German SMT process automatic plant in production. We have Q.C department to keep a close eye on all production line. Each products will go through Q.C Test before go for final packing. We have all advanced testing equipment such as Signal Emitter; network Analyzer, Spectrum Analyzer, Radio communications test sets, Audio Analyzer, Audi Exam System & etc.