Telit LN920 4G LTE Module

JetPack 5.x with Kernel 5.10

The Telit LN920 is a unique LTE modem that functions seamlessly with kernel 5.10. No additional driver source code or dialing script is required to activate the Telit LN920

All you need to do is to set up a mobile broadband according to your Internet service provider (ISP).

Memo

The below is some records while the LTE is online.

$ ifconfig
//////

ppp0: flags=4305<UP,POINTOPOINT,RUNNING,NOARP,MULTICAST>  mtu 1500
        inet 10.181.84.4  netmask 255.255.255.255  destination 0.0.0.0
        ppp  txqueuelen 3  (Point-to-Point Protocol)
        RX packets 83  bytes 15519 (15.5 KB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 93  bytes 14353 (14.3 KB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

$ sudo mmcli -m 0
//////

  --------------------------------
  General  |                 path: /org/freedesktop/ModemManager1/Modem/0
           |            device id: e789a5935ff60cd182fd4dd58fab5afe82354e50
  --------------------------------
  Hardware |         manufacturer: Telit
           |                model: LN920A6-WW
           |    firmware revision: M0L.010002
           |            supported: gsm-umts, lte
           |              current: gsm-umts, lte
           |         equipment id: 352214163061436
  --------------------------------
  System   |               device: /sys/devices/platform/3610000.xhci/usb2/2-3
           |              drivers: option
           |               plugin: telit
           |         primary port: ttyUSB2
           |                ports: ttyUSB2 (at), ttyUSB3 (at), ttyUSB4 (at)
  --------------------------------
  Status   |                state: connected
           |          power state: on
           |       signal quality: 57% (recent)
  --------------------------------
  Modes    |            supported: allowed: 2g; preferred: none
           |                       allowed: 3g; preferred: none
           |                       allowed: 2g, 3g; preferred: none
           |                       allowed: 4g; preferred: none
           |                       allowed: 2g, 4g; preferred: none
           |                       allowed: 3g, 4g; preferred: none
           |                       allowed: 2g, 3g, 4g; preferred: none
           |              current: allowed: 3g, 4g; preferred: none
  --------------------------------
  IP       |            supported: ipv4, ipv6, ipv4v6
  --------------------------------
  3GPP     |                 imei: 352214163061436
           |          operator id: 46689
           |        operator name: T Star
           |         registration: home
  --------------------------------
  3GPP EPS | ue mode of operation: csps-2
  --------------------------------
  SIM      |     primary sim path: /org/freedesktop/ModemManager1/SIM/0
  --------------------------------
  Bearer   |                paths: /org/freedesktop/ModemManager1/Bearer/4
           |                       /org/freedesktop/ModemManager1/Bearer/3
           |                       /org/freedesktop/ModemManager1/Bearer/2
           |                       /org/freedesktop/ModemManager1/Bearer/1
           |                       /org/freedesktop/ModemManager1/Bearer/0

AT Commands for GPS

### 
# Remember to stop mobile connection before sending AT commands
# sudo pkill pppd

###
# Bring back the mobile connection GUI
# by entering nm-connection-editor


###
# Activate GPS by sending AT commands to /dev/ttyUSB2 or /dev/ttyUSB3
AT$GPSNMUN=2,1,1,1,1,1,1
AT$GPSP=1
# The GPS information (NMEA sentence) will send back to /dev/ttyUSB1

###
# Change different GPS antennta types
AT$GPSANTPORT=3 
AT#REBOOT