HCD28(8)/TSD Low Leakage Telephone (White)
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- Commodity name: HCD28(8)/TSD Low Leakage Telephone (White)
HCD28(8)/TSD low leakage telephone is a government-dedicated telephone focusing on simplicity and practicality, classified as a commonly used wired communication terminal. It is mainly used for equipping military agencies and local party and government private networks. It is suitable for program-controlled, automatic, and common battery telephone exchanges, featuring good voice transmission quality, high reliability, lightning protection, and low electromagnetic leakage.
HCD28(8)/TSD low leakage telephone is a government-dedicated telephone focusing on simplicity and practicality, belonging to commonly used wired communication terminals. It is mainly used for equipping military agencies and local party and government private networks. Suitable for program-controlled, automatic, and common battery telephone exchanges, it features good voice transmission quality, high reliability, lightning protection, and low electromagnetic leakage.
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主要功能
兼容 FSK/DTMF 双制式来电显示标准；
来去电动态存储,来电8位最大80组,去电12位最大15组；
两组32位直接存贮记忆；
中文语音报号；
5首真人原唱歌曲,8首高保真和弦铃声,3首特殊音效铃声,8首普通铃声；
5位区域码，2位出局码；
32位预拨号及改错；来电、去电回拨；
自动追拨功能:免提音量大小调节；
铃声大小调节；
音乐保持功能；
日期、时钟和通话计时功能；
LCD亮度5级调节，智能背光；
32位最后号码重拨；
发号暂停功能；
闪断功能；
按键盘背光。
主要性能指标
使用条件
环境温度：-10℃ ～ 40℃
相对湿度：10% ～ 95%
大气压力：86kPa ～ 106kPa
环境噪声：≤60dB(A)
主要技术参数
电声参数(5km)：发送响度评定值(SLR)≤15dB
接收响度评定值(RLR)≤2dB
侧音掩蔽评定值(STMR)≥12dB
稳定平衡回损(2km)：≥15dB
回声平衡回损(2km)：≥17dB
发送、接收非线性失真：≤7%
直流电阻：≤350Ω
振铃声级：大档≥70dB(A)，小档<67dB(A)
接通电阻：≤350Ω
双音多频信号电平：低频分量 －9dBm±3dB
高频分量 －7dBm±3dB
高频分量电平比低频分量电平高 2dB ±1dB
平均无故障工作时间(MTBF)：≥5000h
电 源：3节5号干电池
外形尺寸：266mm×200mm×82mm
Keywords:
HCD28(8)/TSD Low Leakage Telephone (White)
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