Probe #8cf52f76c0 of Lenovo ThinkPad T420 4236C9...
Log: mmcli
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General | dbus path: /org/freedesktop/ModemManager1/Modem/0
| device id: 7eeabb0a4d4548d6015a73475e391c304fafeec2
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Hardware | manufacturer: Sierra Wireless Inc
| model: Sierra Wireless MC8355 - Gobi 3000(TM) Module
| firmware revision: D3200-SCAUTNZ-331427GN06 1 [Feb 1 2013 10:48:22]
| h/w revision: 30500000
| supported: gsm-umts
| current: gsm-umts
| equipment id: --
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System | device: /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4
| drivers: qmi_wwan, qcserial
| plugin: Sierra
| primary port: cdc-wdm0
| ports: cdc-wdm0 (qmi), ttyUSB0 (qcdm), wwan0 (net), ttyUSB1 (at)
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Status | lock: sim-pin2
| unlock retries: sim-pin (3), sim-puk (10), sim-pin2 (3), sim-puk2 (10)
| state: registered
| power state: on
| access tech: umts
| signal quality: 21% (recent)
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Modes | supported: allowed: 2g; preferred: none
| allowed: 3g; preferred: none
| allowed: 2g, 3g; preferred: 3g
| allowed: 2g, 3g; preferred: 2g
| current: allowed: 2g, 3g; preferred: 3g
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Bands | supported: egsm, dcs, pcs, g850, utran-1, utran-4, utran-6, utran-5,
| utran-8, utran-2
| current: egsm, dcs, pcs, g850, utran-1, utran-4, utran-6, utran-5,
| utran-8, utran-2
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IP | supported: ipv4, ipv6, ipv4v6
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3GPP | imei: --
| operator id: 45205
| operator name: Vietnamobile
| registration: home
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SIM | dbus path: /org/freedesktop/ModemManager1/SIM/0