Application note - fitlet2 Linux Mobile broadband configuration

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List of tested devices

  • The guide was tested on a systems with the specs listed below, but should be easily adaptable
Device: fitlet2
CPU: Intel(R) Atom(TM) Processor E3950
BIOS: 05/14/2018 American Megatrends Inc. FLT2.0.40.01.00
OS: Linux Mint 19 Tara
Kernel: 4.15.0-23-generic
Wireless module: SIM7100E ID 1e0e:9001 Qualcomm / Option

Usage example

  • Verify wireless module was detected successfully and information about the device appears in dmesg and lsusb output
$ dmesg | grep -i modem
[    9.949209] usbserial: USB Serial support registered for GSM modem (1-port)
[    9.949373] option 1-8.2:1.0: GSM modem (1-port) converter detected
[    9.951897] usb 1-8.2: GSM modem (1-port) converter now attached to ttyUSB0
[    9.952036] option 1-8.2:1.1: GSM modem (1-port) converter detected
[    9.952179] usb 1-8.2: GSM modem (1-port) converter now attached to ttyUSB1
[    9.952275] option 1-8.2:1.2: GSM modem (1-port) converter detected
[    9.952367] usb 1-8.2: GSM modem (1-port) converter now attached to ttyUSB2
[    9.952459] option 1-8.2:1.3: GSM modem (1-port) converter detected
[    9.952539] usb 1-8.2: GSM modem (1-port) converter now attached to ttyUSB3
[    9.952631] option 1-8.2:1.4: GSM modem (1-port) converter detected
[    9.952712] usb 1-8.2: GSM modem (1-port) converter now attached to ttyUSB4
$ lsusb
Bus 002 Device 002: ID 174c:55aa ASMedia Technology Inc. ASM1051E SATA 6Gb/s bridge, ASM1053E SATA 6Gb/s bridge, ASM1153 SATA 3Gb/s bridge
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 1e0e:9001 Qualcomm / Option
Bus 001 Device 004: ID 04b4:6570 Cypress Semiconductor Corp. 
Bus 001 Device 003: ID 413c:2107 Dell Computer Corp. 
Bus 001 Device 002: ID 1241:1166 Belkin MI-2150 Trust Mouse
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub