市场上没有没有距离限制的对讲机?我是大型物流公司,最好能跨省际对讲???
推荐回答（4个）
北京微网信通是全国第一家具有综合对讲的解决方案的厂家，是中国电信天翼对讲的设备提供商
下面是本公司的主营产品
（1）调度台：调度台是对车载机和手持终端进行监控，定位跟踪，群组呼叫，录音等功能。
（2）车载机：车载机通过GPS，GPSOne对车辆进行定位，呼叫应答，普通电话，短信，单呼，组呼，拍照上传，报警等功能。
（3）手持机：分为专业三防终端(防水，防尘，防摔)和商务终端。
手机对讲介绍：
手机对讲替代了传统手机的呼叫功能，没有地域的限制，全国双向对讲。
天翼对讲的功能：全国双向对讲、移动电话、数据传输、短消息、定位（调度台用户）。
天翼对讲的特点：
（1）一按即可通——手机变成对讲机，呼叫接续快，支持单呼和组呼。
（2）一呼能百应——群组内用户容量大，群组呼叫，适用于现场指挥、现场协调的工作场景。
（3）跨域可联动——不受地域、距离限制，可实现远程的实时调度。
（4）发言可管理——可实现分权限强行插入发言，优先下达紧急指令。
（5）组网门槛低——依托中国电信移动通信网络，相对于传统的专业800M集群通信方式，建网投资和终端费用都大幅降低。
适用于各种行业：建筑公司、物流公司、快递公司、公交、出租车等。
此业务为集团客户车辆调度，车辆定位，人员管理，降低公司高额长途、漫游的通话费。只要有CDMA信号就可以畅通无阻的通话。
用大广集群云对讲吧,这个东西河北佳道有卖.确实不错.
天翼对讲机，凡是有3G信号的地方都可以对讲，所以全国都没问题了
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