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LAUNCHXL-CC1312R1: 通讯距离不理想，接收灵敏度差

andy zhang
Prodigy 165 points
Part Number: LAUNCHXL-CC1312R1

1、我们用的15.4协议栈，射频参数是根据studio软件生成的，发射功率是13dbm。

2、之前我们测试，空旷距离中，RSSI可以测到-98dbm，对应此时的距离是600m左右。

现在我们测试，空旷测试，RSSI到-85dbm以下，就收不到了，此时的距离只有300m。

明显看出，接收灵敏度变差了。

接收灵敏度变差是什么原因造成的呢？我们该怎么去解决接收灵敏度低的问题？