此前，医学遥测设备的运行没有得到保护，可能受到空白电视频道或为低功率工作预留的特别频道的干扰。
Prior to this, medical telemetry devices had been operating unprotected from interference either on vacant TV channels or on special channels reserved for low-power operation.
通过3线串行接口，可以很容易的利用程序对输出功率和通信频道进行配置。
Output power and frequency channels are easily programmable by use of the 3-wire serial interface.
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