root@armadillo:~# mmcli -m 0 

/org/freedesktop/ModemManager1/Modem/0 (device id '3dd50636336d5fa0266b565d99dbda328ff8b4c6')
  -------------------------
  Hardware |   manufacturer: 'Cinterion'
           |          model: 'ELS31-J'
           |       revision: 'REVISION 4.3.2.1b'
           |      supported: 'gsm-umts'
           |        current: 'gsm-umts'
           |   equipment id: '356778070444709'
  -------------------------
  System   |         device: '/sys/devices/soc0/soc/30800000.aips-bus/30b20000.usb/ci_hdrc.1/usb2/2-1'
           |        drivers: 'cdc_acm, cdc_ether'
           |         plugin: 'Cinterion ELS'
           |   primary port: 'ttyACM0'
           |          ports: 'ttyACM0 (at), usb1 (net)'
  -------------------------
  Numbers  |           own : '08025628794'
  -------------------------
  Status   |           lock: 'none'
           | unlock retries: 'unknown'
           |          state: 'registered'
           |    power state: 'on'
           |    access tech: 'lte'
           | signal quality: '87' (recent)
  -------------------------
  Modes    |      supported: 'allowed: 2g; preferred: none'
           |        current: 'allowed: 2g; preferred: none'
  -------------------------
  Bands    |      supported: 'unknown'
           |        current: 'unknown'
  -------------------------
  IP       |      supported: 'ipv4, ipv6, ipv4v6'
  -------------------------
  3GPP     |           imei: '356778070444709'
           |  enabled locks: 'none'
           |    operator id: 'unknown'
           |  operator name: 'unknown'
           |   subscription: 'unknown'
           |   registration: 'home'
  -------------------------
  SIM      |           path: '/org/freedesktop/ModemManager1/SIM/0'

  -------------------------
  Bearers  |          paths: 'none'