AirMacの接続状況は“ネットワーク”環境設定から確認できますが、コマンドラインを使うともう少し詳しい接続状況を確認することができます。
$ /System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport -I
agrCtlRSSI: -53
agrExtRSSI: 0
agrCtlNoise: -90
agrExtNoise: 0
state: running
op mode: station
lastTxRate: 117
maxRate: 130
lastAssocStatus: 0
802.11 auth: open
link auth: wpa2-psk
BSSID: 0:24:a5:c0:3e:e6
SSID: access-point-1
MCS: 14
channel: 13
$ /System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport -I
agrCtlRSSI: -61
agrExtRSSI: 0
agrCtlNoise: -88
agrExtNoise: 0
state: running
op mode: station
lastTxRate: 216
maxRate: 300
lastAssocStatus: 0
802.11 auth: open
link auth: wpa2-psk
BSSID: 0:24:a5:c0:3e:e7
SSID: access-point-2
MCS: 13
channel: 48,-1