linux
linux查看WIFI信号强弱：
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$ iwconfig wlan0 | grep -i --color quality //查询网络连接质量着红色 Link Quality=47/70 Signal level=-63 dBm $ iwconfig wlan0 | grep -i --color signal //查询信号强度着红色 Link Quality=44/70 Signal level=-66 dBm |
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$ iwconfig wlan0 | grep -i --color quality //查询网络连接质量着红色 Link Quality=47/70 Signal level=-63 dBm $ iwconfig wlan0 | grep -i --color signal //查询信号强度着红色 Link Quality=44/70 Signal level=-66 dBm |