[admin@MikroTik] /interface wireless> :put [get [registration-table find interface=$wlan5g]]
.id=*4;arp=enabled;arp-timeout=auto;default-name=ether4;disabled=false;l2mtu=1592;mac-address=74:4D:28:00:00:00;mtu=1500;name=ether4;running=false
[admin@MikroTik] /interface wireless> registration-table print where interface=$wlan5g      
 # INTERFACE                                                        RADIO-NAME       MAC-ADDRESS       AP  SIGNAL-STRENGTH TX-RATE UPTIME              
 0 wlan5G_alisa                                                                      B4:3A:28:00:00:00 no  -55dBm@6Mbps    150M... 2d20h19m18s