udi = '/org/freedesktop/Hal/devices/usb_device_1199_6850_noserial_if0_serial_usb_0'
  info.capabilities = {'serial', 'modem'} (string list)
  info.category = 'serial'  (string)
  info.parent = '/org/freedesktop/Hal/devices/usb_device_1199_6850_noserial_if0'  (string)
  info.product = 'AirCard 880 Device'  (string)
  info.subsystem = 'tty'  (string)
  info.udi = '/org/freedesktop/Hal/devices/usb_device_1199_6850_noserial_if0_serial_usb_0'  (string)
  linux.device_file = '/dev/ttyUSB0'  (string)
  linux.hotplug_type = 2  (0x2)  (int)
  linux.subsystem = 'tty'  (string)
  linux.sysfs_path = '/sys/devices/pci0000:00/0000:00:1e.0/0000:1c:03.0/0000:1d:00.0/usb8/8-1/8-1:1.0/ttyUSB0/tty/ttyUSB0'  (string)
  modem.command_sets = {'GSM-07.07', 'GSM-07.05'} (string list)
  serial.device = '/dev/ttyUSB0'  (string)
  serial.originating_device = '/org/freedesktop/Hal/devices/usb_device_1199_6850_noserial_if0'  (string)
  serial.port = 0  (0x0)  (int)
  serial.type = 'usb'  (string)