root@freescale /media/sd-mmc0p4$ dbus-monitor --system
signal sender=org.freedesktop.DBus -> dest=:1.6 serial=2 path=/org/freedesktop/DBus; interface=org.freedesktop.DBus; member=NameAcquired
   string ":1.6"
signal sender=:1.1 -> dest=(null destination) serial=146443 path=/org/bluez/hci0; interface=org.freedesktop.DBus.Properties; member=PropertiesChanged
   string "org.bluez.Adapter1"
   array [
      dict entry(
         string "Discovering"
         variant             boolean false
      )
   ]
   array [
   ]
signal sender=:1.1 -> dest=(null destination) serial=146730 path=/org/bluez/hci0; interface=org.freedesktop.DBus.Properties; member=PropertiesChanged
   string "org.bluez.Adapter1"
   array [
      dict entry(
         string "Discovering"
         variant             boolean true
      )
   ]
   array [
   ]
signal sender=:1.1 -> dest=(null destination) serial=146731 path=/org/bluez/hci0/dev_6D_03_A1_27_D4_5C; interface=org.freedesktop.DBus.Properties; member=PropertiesChanged
   string "org.bluez.Device1"
   array [
      dict entry(
         string "RSSI"
         variant             int16 -95
      )
   ]
   array [
   ]
qt.bluetooth.bluez: Updating RSSI for "6D:03:A1:27:D4:5C" QVariant(short, -95)
signal sender=:1.1 -> dest=(null destination) serial=146750 path=/org/bluez/hci0/dev_5A_CE_07_60_7F_C6; interface=org.freedesktop.DBus.Properties; member=PropertiesChanged
   string "org.bluez.Device1"
   array [
      dict entry(
         string "RSSI"
         variant             int16 -94
      )
   ]
   array [
   ]