root@ido:~# mmcli -m 1		// 开发板自带模块卡槽坏了，USB插了一个同型号4G模块
  --------------------------------
  General  |                 path: /org/freedesktop/ModemManager1/Modem/1
           |            device id: c6af62492a38ad33d5a61b91c2aac37fbac66548
  --------------------------------
  Hardware |         manufacturer: CMCC
           |                model: ML307R
           |    firmware revision: ML307R-DL-MBRH0S01
           |            supported: gsm-umts, lte
           |              current: gsm-umts, lte
           |         equipment id: 20214M0001552J124553
  --------------------------------
  System   |               device: /sys/devices/platform/ff780000.usb/usb2/2-1/2-1.2
           |              drivers: option, cdc_ether
           |               plugin: generic
           |         primary port: ttyUSB5
           |                ports: eth3 (net), ttyUSB3 (ignored), ttyUSB4 (ignored),
           |                       ttyUSB5 (at)
  --------------------------------
  Numbers  |                  own: +8618340323370
  --------------------------------
  Status   |       unlock retries: sim-pin (3), sim-puk (10), sim-pin2 (3), sim-puk2 (10)
           |                state: registered
           |          power state: on
           |          access tech: lte
           |       signal quality: 100% (recent)
  --------------------------------
  Modes    |            supported: allowed: 2g, 3g, 4g; preferred: none
           |              current: allowed: 2g, 3g, 4g; preferred: none
  --------------------------------
  IP       |            supported: ipv4, ipv6, ipv4v6
  --------------------------------
  3GPP     |          operator id: 46000
           |        operator name: CHINA MOBILE
           |         registration: home
           | packet service state: attached
  --------------------------------
  3GPP EPS | ue mode of operation: ps-2
  --------------------------------
  SIM      |     primary sim path: /org/freedesktop/ModemManager1/SIM/0
  --------------------------------
  Bearer   |                paths: /org/freedesktop/ModemManager1/Bearer/2
           |                       /org/freedesktop/ModemManager1/Bearer/1
           |                       /org/freedesktop/ModemManager1/Bearer/0
root@ido:~# mmcli -i 0
  -------------------------------
  General    |              path: /org/freedesktop/ModemManager1/SIM/0
  -------------------------------
  Properties |            active: yes
             |              imsi: 460025403195993
             |             iccid: 898602A40624F5057198
             |       operator id: 46002
             |     operator name: CMCC
             |              gid1: FFFFFFFF
             |              gid2: FFFFFFFF
