利用定向天线，这种设备发射数据到远在60英里外的接收天线。

Using a directional antenna, the device shoots data to a receiving antenna as far as 60 miles away.

youdao

利用定向天线，这种设备发射数据到远在60英里外的接收天线。

Using a directional antenna, the device shoots data to a receiving antenna as far as 60 miles away.

youdao