openwrt原生态iwinfo

root@hbg:/# iwinfo -h

Usage:

        iwinfo <device> info                        // 查看设备信息

        iwinfo <device> scan                       // 扫描周围ssid

        iwinfo <device> txpowerlist              // 设备发送功率及当前的使用功率    

        iwinfo <device> freqlist                    // 设备的信道以及当前使用的信道

        iwinfo <device> assoclist                  // 关联的终端信息

        iwinfo <device> countrylist               // 国家信息

root@OpenWrt:~#  iwinfo wlan0 assoclist

B6:CA:51:12:DD:46  -18 dBm / unknown (SNR -18)  710 ms ago

        RX: 6.0 MBit/s                                  9605 Pkts.

        TX: 130.0 MBit/s, MCS 15, 20MHz                19567 Pkts.

        expected throughput: 86.9 MBit/s

root@OpenWrt:~#  iwinfo wlan0 info

wlan0     ESSID: "AIT21-0f18"

          Access Point: 94:A4:08:B2:0F:18

          Mode: Master  Channel: 4 (2.427 GHz)

          Tx-Power: 20 dBm  Link Quality: 70/70

          Signal: -17 dBm  Noise: unknown