Product Mechanical Dimensions, external electrical signal, communication bus protocol and the standard memory card line, and currently on the market with memory card interface device is compatible.

产品机械尺寸、外部电气信号、通讯总线协议与标准的存储卡保持一致，与目前市场上的带有存储卡接口的终端设备兼容。

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If necessary, the area can be extended by adding additional repeater units, all connected to the same external antenna, using a signal splitter and line amplifier.

如有必要，该地区可以通过添加额外的扩展中继器的单位，所有连接到同一个外置天线，使用信号分离器和线路放大器。

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Metro WDM compact instrument is generally used for base station environment. External interference signal affects its normal work through the signal line or shell.

紧凑型城域波分仪一般用于电信环境，外界干扰信号容易通过信号线或外壳耦合到紧凑型城域波分仪，影响其正常工作。

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