Huawei ME909s-120p V2 mPCIe
Supplier number: 55011373
ME909s-120 Mini PCI express is the first LTE cat4 module based on Hi-Silicon chipset. Which is high-quality designed LTE module in small size and standard mPCIe form factor, especially for industrial-grade M2M applications such as vehicle telematics, tracking, mobile payment, industrial router, safety monitor and industrial PDAs.
ME909s-120 Mini PCI express supports eight (!) bands (B1/B2/B3/B5/B7/B8/B20) in the EMEA region. It also have the form factor LGA if it suits your need better.
ME909s-120 Mini PCI express supports 150Mbps downlink data rate, including enhanced features like FOTA, USSD and Huawei enhanced AT commands.
This is the mPCIe form factor of the module ME909s-120p V2. For the LGA form factor, please refer to article 11108 Huawei ME909s-120 V2 LGA EU
- Region
- Europe
Asia
- Primary Technology
- LTE - cat 4
- Form Factor
- mPCIe - full size
- LTE Bands
- B1 (FDD 2100)
B2 (FDD 1900)
B3 (FDD 1800)
B5 (FDD 850)
B7 (FDD 2600)
B8 (FDD 900)
B20 (FDD 800DD)
- UMTS Bands
- B1 (2100)
B2 (1900)
B8 (900)
B5 (850)
- GSM/EDGE Bands
- B2 (1900)
B3 (1800)
B5 (850)
B8 (900)
- Max DL Speed
- 150 Mbps
- Max UL Speed
- 50 Mbps
- GNSS
- No
- Antenna Connectors
- IPEX MHF/U.FL
- Operating Temperature Range
- -40 °C – 85 °C
- Chipset
- Balong 711
Hisilicon
- Data Interface
- USB 2.0
- Audio interface
- Digital PCM signal input/output in socket
- Voice Call Support
- Yes
- Driver Support
- Windows 7
Windows 8
Android
Windows 8.1
Linux
Windows CE
Windows Mobile
- MIMO (Multiple-Input Multiple-Output)
- Yes
- FOTA Firmware Updates
- Yes
- SIM interface
- Through miniPCIe connector
- Technical details:
In MikroTik boards RB912 and RB953, this module will not be initialized correctly, please select another module or board.
Microsoft encourage cellular module vendors to only expose MBIM interface towards the host system in Windows 8 and later, therefore the Huawei ME909s series do not expose any Modem and AT serial interfaces towards the host. The Windows built-in connection manager can be used to give necessary SIM and APN data and establish the data connection in these Windows systems over MBIM interface.
- Uploaded at
- 2020-04-29 11:38:42
- Last updated
- 2020-04-30 16:50:47
- Version
- R0
- Related products
- Huawei ME909s-120p V2 mPCIe
This document helps hardware engineer to understand the interface specifications, electrical features and related product information of the ME909s LGA module.
- Uploaded at
- 2015-06-08 11:28:07
- Last updated
- 2020-05-04 11:43:24
- Version
- V001R001_10
- Related products
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Huawei ME909s-821 mPCIe
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-120 LGA EU
- Huawei ME909s-821 LGA
- Huawei ME909s-120 LGA dev.kit
Please read the Release Notes released with the firmware before using ME909s module and this document.
- Uploaded at
- 2015-08-13 18:18:46
- Last updated
- 2020-02-27 11:59:09
- Version
- V3
- Related products
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Huawei ME909s-120 LGA EU
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-821 LGA
- Huawei ME909s-821 mPCIe
This document helps hardware engineer to understand the interface specifications, electrical features and related product information of the ME909s Mini PCIe module.
- Uploaded at
- 2015-08-27 15:57:19
- Last updated
- 2018-12-03 09:51:08
- Version
- V1R2
- Related products
- Huawei ME909s-821 mPCIe
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-120p V2 mPCIe
- Uploaded at
- 2013-01-08 14:58:41
- Last updated
- 2018-12-03 10:03:58
- Version
- 03
- Related products
- Huawei ME906V - US
- Huawei ME906E - EU/ASIA
- Huawei ME906J - Japan
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Huawei MU609 LGA
- Huawei ME909u-523D - US - AT&T
- Huawei ME909u-521 Mini PCI Express - EU/ASIA
- Huawei ME909u-523D Mini PCI Express - US - AT&T
- Huawei MU609 Mini PCI Express
- Huawei ME936
- Huawei MU709s-2 LGA
- Huawei MU709s-2 mPCIe
- Huawei ME909s-821 mPCIe
- Huawei ME909s-821 LGA
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-120 LGA EU
- Huawei MU709s-6 mPCIe
- Uploaded at
- 2015-02-26 17:24:50
- Last updated
- 2018-12-03 10:00:35
- Version
- V100R001_V2.0
- Requirements
- Linux, Huawei Module
- Related products
- Huawei ME909u-521 - EU/ASIA
- Huawei ME909u-523D - US - AT&T
- Huawei ME909u-521 Mini PCI Express - EU/ASIA
- Huawei ME909u-523D Mini PCI Express - US - AT&T
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Huawei ME909s-821 mPCIe
- Huawei ME909s-821 LGA
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-120 LGA EU
- Huawei ME909s-120 LGA dev.kit
- Techship Starter kit Huawei ME909s
- Huawei MU709s-6 mPCIe
- Huawei MU509-C
- Huawei MG323 Rev. V1R1
- Huawei MG323-B Rev. V1R1
- Huawei MG323-B LCC Development Kit
- Huawei MU509-B LGA Development Kit
- Huawei MU609T LGA Development Kit
- Huawei MU609T
- Huawei MU736
- Huawei MC323
- Huawei MU609 LGA
- Huawei MU609 Mini PCI Express
- Huawei MU609 dev.kit
- Huawei ME909u-521 developer kit
- Huawei MG323-B Rev. V1R3
- Huawei MU509-B
- Huawei MG323 Rev. V1R3
- Huawei ME909Tu-564 US AT&T
- Huawei ME909Tu-120 LGA Europe
- Huawei ME909Tu-120 devkit
- Huawei ME909Tu-565 US Verizon
- Huawei MU709s-2 devkit
- Huawei MU709s-2 LGA
- Huawei MU709s-2 mPCIe
- Uploaded at
- 2015-08-06 16:34:49
- Last updated
- 2020-05-04 11:39:03
- Version
- V100R001_05
- Related products
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Huawei ME909s-120 LGA EU
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-821 LGA
- Huawei ME909s-821 mPCIe
- Uploaded at
- 2012-09-14 15:21:04
- Last updated
- 2018-12-03 10:01:52
- Version
- 02
- Related products
- Huawei ME906V - US
- Huawei ME906E - EU/ASIA
- Huawei ME906J - Japan
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Huawei MU609 LGA
- Huawei ME909u-521 - EU/ASIA
- Huawei ME909u-523D - US - AT&T
- Huawei ME909u-521 Mini PCI Express - EU/ASIA
- Huawei ME909u-523D Mini PCI Express - US - AT&T
- Huawei MU609 Mini PCI Express
- Huawei MU609 dev.kit
- Huawei ME909u-521 developer kit
- Huawei ME909Tu-120 LGA Europe
- Huawei ME909Tu-120 devkit
- Huawei MU709s-2 devkit
- Huawei MU709s-2 LGA
- Huawei MU709s-2 mPCIe
- Huawei ME909s-821 mPCIe
- Huawei ME909s-821 LGA
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-120 LGA EU
- Huawei MU709s-6 mPCIe
- Huawei ME909s-120 LGA dev.kit
Power Supply Requirements
Power Supply Design Requirements
External Power Supply Circuits
Recommendations for the Layout and Routing of External Power Supply Circuits
- Uploaded at
- 2012-09-14 15:10:04
- Last updated
- 2018-12-03 09:52:25
- Version
- 02
- Related products
- Huawei ME909u-521 - EU/ASIA
- Huawei ME909u-523D - US - AT&T
- Huawei ME909u-521 Mini PCI Express - EU/ASIA
- Huawei ME909u-523D Mini PCI Express - US - AT&T
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Huawei MU709s-6 mPCIe
- Huawei MW269 V2 dev. kit.
- Huawei MU609 LGA
- Huawei MU609 Mini PCI Express
- Huawei M.2 Developer kit for ME906/MU736
- Huawei DA6810 Wifi box
- Huawei MU609 dev.kit
- Huawei MG323-B Rev. V1R3
- Huawei MU509-B
- Huawei MG323 Rev. V1R3
- Huawei E8278s-602 LTE USB-stic
- Huawei ME909Tu-564 US AT&T
- Huawei ME936
- Huawei ME909Tu-120 LGA Europe
- Huawei ME909Tu-120 devkit
- Huawei ME909Tu-565 US Verizon
- Huawei EM820W
- Huawei MU709s-2 devkit
- Huawei MU709s-2 LGA
- Huawei MU709s-2 mPCIe
- Huawei MS2131i-8 USB-stick
- Huawei MC509-p Mini PCI Express
- Huawei ME909s-821 mPCIe
- Huawei ME909s-821 LGA
- Huawei ME209u-526D mPCIe
- Huawei ME209u-526D LGA
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-120 LGA EU
- Uploaded at
- 2018-05-25 10:35:00
- Last updated
- 2018-05-25 10:36:13
- Version
- 1
- Related products
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Huawei ME909s-821 mPCIe
- Huawei ME909s-821 LGA
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-120 LGA EU
- Huawei ME909s-120 LGA dev.kit
- Techship Starter kit Huawei ME909s
- Uploaded at
- 2017-08-17 13:41:18
- Last updated
- 2017-08-17 13:41:18
- Version
- r1
- Requirements
- Microsoft Windows 8 and newer (that uses MBIM)
- Related products
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Techship Starter kit Huawei ME909s
- Huawei ME909s-120 LGA EU
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-821 LGA
- Huawei ME909s-821 mPCIe
- Uploaded at
- 2016-03-07 10:36:12
- Last updated
- 2016-03-07 10:36:12
- Version
- 01
- Related products
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Huawei ME909s-120 LGA dev.kit
- Huawei ME909s-120 LGA EU
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-821 LGA
- Huawei ME909s-821 mPCIe
- Uploaded at
- 2013-09-23 17:57:53
- Last updated
- 2015-10-05 12:45:45
- Version
- 1.2.7
- Related products
- Huawei ME909u-521 - EU/ASIA
- Huawei ME909u-523D - US - AT&T
- Huawei ME909u-521 Mini PCI Express - EU/ASIA
- Huawei ME909u-523D Mini PCI Express - US - AT&T
- Huawei MU509-C
- Huawei MC509
- Huawei MC509-a Mini PCI Express
- Huawei MU509-B
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Huawei MG323 Rev. V1R3
- Huawei MG323-B Rev. V1R3
- Huawei ME909u-521 developer kit
- Huawei MU609 dev.kit
- Huawei M.2 Developer kit for ME906/MU736
- Huawei MU609 Mini PCI Express
- Huawei MU609 LGA
- Huawei MC323
- Huawei MU609T
- Huawei MU733 B2B Development Kit
- Huawei MU609T LGA Development Kit
- Huawei MU739 LGA Development Kit
- Huawei MU509-B LGA Development Kit
- Huawei MG323-B LCC Development Kit
- Huawei EM770w
- Huawei EM680 Gobi 3000
- Huawei MG323-B Rev. V1R1
- Huawei MG323 Rev. V1R1
- Huawei MU739
- Huawei MU733
- Huawei EM820W
- Huawei MC509-p Mini PCI Express
- Huawei ME909s-120 LGA dev.kit
- Huawei ME909s-120 LGA EU
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-821 LGA
- Huawei ME909s-821 mPCIe
- Huawei MU709s-2 mPCIe
- Huawei MU709s-2 LGA
- Huawei MU709s-2 devkit
- Huawei MU709s-6 mPCIe
- Uploaded at
- 2015-08-28 15:36:30
- Last updated
- 2015-09-30 13:25:39
- Version
- 01
- Related products
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Huawei ME909s-120 LGA EU
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-821 LGA
- Huawei ME909s-821 mPCIe
- Huawei ME909s-120 LGA dev.kit
- Huawei ME909u-521 developer kit
- Huawei ME909u-523D Mini PCI Express - US - AT&T
- Huawei ME909u-521 Mini PCI Express - EU/ASIA
- Huawei ME909u-523D - US - AT&T
- Huawei ME909u-521 - EU/ASIA
- Uploaded at
- 2014-06-04 15:37:29
- Last updated
- 2015-09-30 13:23:10
- Version
- 1
- Related products
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Huawei MU509-B
- Huawei ME909u-521 developer kit
- Huawei MU609 dev.kit
- Huawei MU609 Mini PCI Express
- Huawei ME909u-521 Mini PCI Express - EU/ASIA
- Huawei ME909u-521 - EU/ASIA
- Huawei MU609 LGA
- Huawei MU509-B LGA Development Kit
- Huawei MU509-C
- Huawei ME909s-120 LGA dev.kit
- Huawei ME909s-120 LGA EU
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-821 LGA
- Huawei ME909s-821 mPCIe
firmware of Huawei module.
The tool complies with interfaces of Huawei device and is forbidden to apply to
devices of any other manufacturer.
- Uploaded at
- 2014-01-07 11:12:07
- Last updated
- 2015-09-30 13:22:36
- Version
- 05
- Requirements
- Linux
- Related products
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Huawei ME909u-521 developer kit
- Huawei ME909u-521 Mini PCI Express - EU/ASIA
- Huawei ME909u-521 - EU/ASIA
- Huawei ME909s-120 LGA dev.kit
- Huawei ME909s-120 LGA EU
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-821 LGA
- Huawei ME909s-821 mPCIe
- Huawei MU709s-2 mPCIe
- Huawei MU709s-2 LGA
- Huawei MU709s-2 devkit
- Huawei MU609 dev.kit
- Huawei MU609 Mini PCI Express
- Huawei MU609 LGA
- Huawei MU709s-6 mPCIe
between the host and module.
This document is only applicable to the Windows XP/Android system; and is not
applicable to the Windows 7/8/blue system and later systems released by Microsoft
because of their feature (they defines their own sleep, wakeup and remote wakeup
standards).
- Uploaded at
- 2013-10-11 12:30:04
- Last updated
- 2015-09-30 13:22:16
- Version
- 01
- Related products
- Huawei ME909u-521 - EU/ASIA
- Huawei ME909u-523D - US - AT&T
- Huawei ME909u-521 Mini PCI Express - EU/ASIA
- Huawei ME909u-523D Mini PCI Express - US - AT&T
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Huawei MC509-a Mini PCI Express
- Huawei MU609 Mini PCI Express
- Huawei ME909u-521 developer kit
- Huawei MU609 dev.kit
- Huawei MC509-p Mini PCI Express
- Huawei ME909s-120 LGA dev.kit
- Huawei ME909s-120 LGA EU
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-821 LGA
- Huawei ME909s-821 mPCIe
- Huawei MU709s-2 mPCIe
- Huawei MU709s-2 LGA
- Huawei MU709s-2 devkit
- Huawei MU709s-6 mPCIe
- Uploaded at
- 2015-08-27 15:55:10
- Last updated
- 2015-09-24 17:29:49
- Version
- 04
- Related products
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Huawei ME909s-120 LGA EU
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-821 LGA
- Huawei ME909s-821 mPCIe
- Huawei MU709s-2 mPCIe
- Huawei MU709s-2 LGA
- Huawei MU709s-2 devkit
- Huawei MU509-B
- Huawei MU509-B LGA Development Kit
- Huawei MU709s-6 mPCIe
- Uploaded at
- 2021-06-15 15:12:22
- Last updated
- 2021-06-15 15:12:22
- Related products
- Huawei ME909s-120p V2 mPCIe
- Uploaded at
- 2019-06-24 14:42:14
- Last updated
- 2019-06-24 14:42:14
- Version
- V.5.07.08.05
- Requirements
- Microsoft Windows
- Related products
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Huawei MS2372h-607 LTE USB Dongle Asia
- Huawei MS2372h-517 LTE USB Dongle US
- Huawei MS2372h-153 LTE USB Dongle EU
- Huawei ME909s-120 LGA EU
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-821 LGA
- Huawei ME909s-821 mPCIe
- Uploaded at
- 2017-06-02 18:40:10
- Last updated
- 2018-09-12 11:12:38
- Version
- V.2.0.6.1
- Requirements
-
Microsoft Windows.
- Related products
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Huawei ME909s-821 mPCIe
- Huawei ME909s-821 LGA
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-120 LGA EU
- Uploaded at
- 2018-05-03 14:48:09
- Last updated
- 2018-05-03 14:48:09
- Version
- V.5.06.10.05
- Requirements
- Microsoft Windows
- Related products
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Techship Starter kit Huawei ME909s
- Huawei ME909s-120 LGA dev.kit
- Huawei ME909s-120 LGA EU
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-821 LGA
- Huawei ME909s-821 mPCIe
- Uploaded at
- 2017-11-08 12:19:53
- Last updated
- 2017-11-08 12:19:53
- Requirements
- Microsoft Windows 8-10
- Related products
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Techship Starter kit Huawei MU709s
- Huawei ME909s-120 LGA dev.kit
- Huawei MU709s-6 mPCIe
- Huawei ME909s-120 LGA EU
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-821 LGA
- Huawei ME909s-821 mPCIe
- Huawei MU709s-2 mPCIe
- Huawei MU709s-2 LGA
- Huawei MU709s-2 devkit
- Uploaded at
- 2016-10-12 15:36:13
- Last updated
- 2017-08-04 16:19:18
- Version
- 5.06.04.05
- Requirements
-
Microsoft Windows
- Related products
- Huawei ME906V - US
- Huawei ME906E - EU/ASIA
- Huawei ME906J - Japan
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Huawei ME909s-821 mPCIe
- Huawei ME909s-821 LGA
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-120 LGA EU
- Huawei ME909s-120 LGA dev.kit
- Techship Starter kit Huawei ME909s
It's backwards compatible with older modules.
- Uploaded at
- 2015-09-10 14:56:00
- Last updated
- 2017-08-04 16:17:54
- Version
- 5.06.01.05
- Related products
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Huawei ME909s-821 mPCIe
- Huawei ME909s-821 LGA
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-120 LGA dev.kit
- Huawei ME909s-120 LGA EU
- Uploaded at
- 2014-12-18 14:20:39
- Last updated
- 2017-03-24 11:23:22
- Version
- 5.07.01.00
- Requirements
-
Windows CE 5.0/6.0/7.0 systems running on the CPU (Central Processing Unit) of which the architecture is ARM (Asynchronous Response
Mode) or MIPS (Microprocessor without Interlocked Pipeline Stages).
- Related products
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Huawei ME909s-120 LGA dev.kit
- Huawei ME909s-120 LGA EU
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-821 LGA
- Huawei ME909s-821 mPCIe
- Techship Starter kit Huawei ME909s
It works for android 2.XX to 4.XX.
- Uploaded at
- 2016-05-24 14:52:36
- Last updated
- 2017-02-06 14:37:00
- Version
- V100R005B003D29SP00C03
- Requirements
- Android 2.XX, 3.XX or 4.XX
- Related products
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Huawei ME909s-120 LGA dev.kit
- Huawei MU709s-6 mPCIe
- Huawei ME909s-120 LGA EU
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-821 LGA
- Huawei ME909s-821 mPCIe
- Huawei MU709s-2 mPCIe
- Huawei MU709s-2 LGA
- Huawei MU709s-2 devkit
- Huawei ME909u-521 developer kit
- Huawei MU609 dev.kit
- Huawei MU609 Mini PCI Express
- Huawei ME909u-523D Mini PCI Express - US - AT&T
- Huawei ME909u-521 Mini PCI Express - EU/ASIA
- Huawei ME909u-523D - US - AT&T
- Huawei ME909u-521 - EU/ASIA
- Huawei MU609 LGA
It can work on PCs and various embedded platforms, and supports different operating systems (OS), such as Windows 7, Linux, and Android.
For Windows there's a graphical user interface available. In order to capture logs with Ulog the modules unique shell lock code need to be acquired based on the IMEI.
- Uploaded at
- 2014-11-12 16:28:12
- Last updated
- 2017-01-16 12:21:24
- Version
- 2.3
- Requirements
- Windows 7, Linux, Android
- Related products
- Huawei ME909u-521 - EU/ASIA
- Huawei ME909u-523D - US - AT&T
- Huawei ME909u-521 Mini PCI Express - EU/ASIA
- Huawei ME909u-523D Mini PCI Express - US - AT&T
- Huawei ME906V - US
- Huawei ME906E - EU/ASIA
- Huawei ME906J - Japan
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Huawei ME909s-120 LGA dev.kit
- Huawei ME909s-120 LGA EU
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-821 LGA
- Huawei ME909s-821 mPCIe
- Huawei MU709s-2 mPCIe
- Huawei MU709s-2 LGA
- Huawei MU709s-2 devkit
- Huawei MU509-B
- Huawei ME909u-521 developer kit
- Huawei MU609 dev.kit
- Huawei MU609 Mini PCI Express
- Huawei MU609 LGA
- Huawei MU736
- Huawei MU739 LGA Development Kit
- Huawei MU509-B LGA Development Kit
- Huawei MU739
- Huawei MU733
- Huawei MU509-C
- Huawei MU709s-6 mPCIe
- Huawei MU709s-2 LGA TTS
- Huawei MU609-Dp mPCIe AT&T
- Huawei MC509-p Mini PCI Express
- Huawei MC509-a Mini PCI Express
- Uploaded at
- 2013-12-11 14:44:37
- Last updated
- 2015-10-05 12:46:55
- Requirements
- Linux
- Related products
- Huawei ME909u-521 - EU/ASIA
- Huawei ME909u-523D - US - AT&T
- Huawei ME909u-521 Mini PCI Express - EU/ASIA
- Huawei ME909u-523D Mini PCI Express - US - AT&T
- Huawei ME909s-120p V2 mPCIe
- Huawei ME909s-120 V2 LGA
- Huawei MU509-B
- Huawei MG323-B Rev. V1R3
- Huawei ME909u-521 developer kit
- Huawei MU609 Mini PCI Express
- Huawei ME909s-120 LGA dev.kit
- Huawei ME909s-120 LGA EU
- Huawei ME909s-120 mPCIe EU
- Huawei ME909s-821 LGA
- Huawei ME909s-821 mPCIe
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- 2020-07-01 13:36:05
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- Version
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- Last updated
- 2020-06-25 11:00:08
- Version
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- Related products
- Huawei ME909s-120p V2 mPCIe
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- Uploaded at
- 2020-06-17 16:31:07
- Last updated
- 2020-06-17 16:31:07
- Version
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- Huawei ME909s-120p V2 mPCIe
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Question
How-to guide: How can we control, configure and establish a simple data connection for a cellular module in Linux systems using the open source ModemManager tool for modem control and connection management.
Solution
ModemManager is a open source tool for Linux that can be used to communicate with cellular devices for configuration, status check, connection triggering etc. It is capable of communicate over several types of device control channels such as QMI/RMNET, MBIM, MODEM / AT command etc.
It is hosted by the Freedesktop.org community and driven by Aleksander Morgado and other contributors, please visit https://www.freedesktop.org/wiki/Software/ModemManager/ for latest information, source code, API reference manuals, debugging tips, contribution, mailing list etc.
Keep in mind that ModemManager is not directly developed or driven by cellular device vendors and the compatibility cannot be guaranteed for the specific device you aim to use. Some vendors contribute with code to make their devices fully compatible, while others don't. However many cellular devices can be set to expose standardized types of USB network interface and control channel such as MBIM interface by USB-IF or the Qualcomm proprietary interface QMI that ModemManager will try to identify, and often manage to work successfully with.
Before continuing with ModemManager, a good thing to ensure is that you have common Linux driver modules available in your kernel build.
You can compare your own systems kernel config with the ones listed in the following FAQ:
Common Linux kernel modules and configs necessary for communicating with cellular modules over USB interface
Selections of these are commonly used by cellular devices and need to be available in order to have device drivers correctly loaded when devices are detected.
Start by installing ModemManager and its dependencies to your Linux system.
You can build it from source code release tarball found at freedesktop.org (install instructions included in the archive)
If you have a package manager in your Linux distribution, it can usually be installed through them also.
E.g. on Ubuntu using apt to install it and related dependencies:
apt install modemmanager libmbim-utils libqmi-utils
Keep in mind that Linux distributions sometimes rely on fairly old releases in their repositories and the development of ModemManager, libqmi and libmbim are on-going continuously. So is also the development of the cellular devices when the cellular technologies evolve. It is therefore recommended that you have a fairly recent version of ModemManager, libqmi and libmbim running in your system as well as when it comes to kernel version since the driver modules sometimes acquire patch fixes to be compatible with new chipset features etc.
Check Freedesktop.org pages for details on the latest ModemManager, NetworkManager, Libqmi and Libmbim releases.
Once you've installed ModemManager and rebooted your system, the service daemon should be running already in background.
Mmcli is the related command line interface tool which can be used to interact with ModemManager daemon through command line commands.
Check the version by command:
mmcli -V
<< mmcli 1.13.0
<< Copyright (2011 - 2020) Aleksander Morgado
<< License GPLv2+: GNU GPL version 2 or later
<< This is free software: you are free to change and redistribute it.
<< There is NO WARRANTY, to the extent permitted by law.
Print general mmcli help message:
mmcli --help
ModemManager normally listen, probes and detects cellular devices automatically when operating correctly but a forced scan can be triggered with command:
mmcli --scan-modems
<< successfully requested to scan devices
To list detected cellular devices use command:
mmcli --list-modems
<< /org/freedesktop/ModemManager1/Modem/0 [Sierra Wireless, Incorporated] MC7455
Here ModemManager have detected a Sierra Wireless cellular device and it has here been given the the identifier number 0 by ModemManager.
To acquire more device information and status use the --modem command and identifier value.
mmcli --modem=0
<< -----------------------------
<< General | dbus path: /org/freedesktop/ModemManager1/Modem/0
<< | device id: 3a2f5fad8e91dbf417694f23165017c1f8a6e061
<< -----------------------------
<< Hardware | manufacturer: Sierra Wireless, Incorporated
<< | model: MC7455
<< | firmware revision: SWI9X30C_02.32.11.00 r8042 CARMD-EV-FRMWR2 2019/05/15 21:52:20
<< | carrier config: default
<< | h/w revision: 1.0
<< | supported: gsm-umts, lte
<< | current: gsm-umts, lte
<< | equipment id: 359072066171840
<< -----------------------------
<< System | device: /sys/devices/pci0000:00/0000:00:14.0/usb3/3-2
<< | drivers: qcserial, qmi_wwan
<< | plugin: sierra
<< | primary port: cdc-wdm0
<< | ports: cdc-wdm0 (qmi), wwan1 (net), ttyUSB2 (at), wwan0 (net),
<< | cdc-wdm1 (qmi), ttyUSB1 (gps), ttyUSB0 (qcdm)
<< -----------------------------
<< Status | lock: sim-pin
<< | unlock retries: sim-pin (3), sim-puk (10), sim-pin2 (0), sim-puk2 (10)
<< | state: locked
<< | power state: on
<< | signal quality: 0% (cached)
<< -----------------------------
<< Modes | supported: allowed: 3g; preferred: none
<< | allowed: 4g; preferred: none
<< | allowed: 3g, 4g; preferred: 4g
<< | allowed: 3g, 4g; preferred: 3g
<< | current: allowed: 3g, 4g; preferred: 4g
<< -----------------------------
<< Bands | supported: utran-1, utran-3, utran-4, utran-5, utran-8, utran-2,
<< | eutran-1, eutran-2, eutran-3, eutran-4, eutran-5, eutran-7, eutran-8,
<< | eutran-12, eutran-13, eutran-20, eutran-25, eutran-26, eutran-29,
<< | eutran-30, eutran-41
<< | current: utran-1, utran-3, utran-4, utran-5, utran-8, utran-2,
<< | eutran-1, eutran-2, eutran-3, eutran-4, eutran-5, eutran-7, eutran-8,
<< | eutran-12, eutran-13, eutran-20, eutran-25, eutran-26, eutran-29,
<< | eutran-30, eutran-41
<< -----------------------------
<< IP | supported: ipv4, ipv6, ipv4v6
<< -----------------------------
<< SIM | dbus path: /org/freedesktop/ModemManager1/SIM/0
A detailed summary of device status, configs and system drivers, paths and IDs are returned.
Currently the device status indicates that inserted SIM card is PIN locked, so a unlock by --pin command is necessary:
mmcli --modem=0 --sim=0 --pin=****
<< successfully sent PIN code to the SIM
Now we can change device state to enabled using command:
mmcli --modem=0 --enable
<< successfully enabled the modem
if we're check device status again we can see that device:
mmcli --modem=0
…
<< --------------------------------
<< Status | lock: sim-puk2
<< | unlock retries: sim-pin (3), sim-puk (10), sim-pin2 (0), sim-puk2 (10)
<< | state: registered
<< | power state: on
<< | access tech: lte
<< | signal quality: 96% (recent)
…
<< 3GPP | imei: 359072066171840
<< | operator id: 24002
<< | operator name: 3
<< | registration: home
<< --------------------------------
<< 3GPP EPS | ue mode of operation: csps-2
<< --------------------------------
<< SIM | dbus path: /org/freedesktop/ModemManager1/SIM/0
The status output shows that devices is registered in network using LTE technology with a good signal strength.
It is now time to activate the data connection with --simple-connect command.
ModemManager will tie the data bearer for our given subscription APN to the qmi_wwan network interface, typically named wwan0 (unless renamed by Linux distribution or user)
Fill in the details as below but for your modem number, subscription APN and the IP type it can work with (ipv4 / ipv6 ipv4v6)
mmcli -m 0 --simple-connect='apn=data.tre.se,ip-type=ipv4v6'
<< successfully connected the modem
if we check modem status again we can see that a bearer have been established.
mmcli --modem=0
…
<< --------------------------------
<< Bearer | dbus path: /org/freedesktop/ModemManager1/Bearer/0
…
The bearer have got identifier number 0 so we can request more details for it to acquire the IP details:
mmcli --modem=0 --bearer=0
<< ------------------------------------
<< General | dbus path: /org/freedesktop/ModemManager1/Bearer/0
<< | type: default
<< ------------------------------------
<< Status | connected: yes
<< | suspended: no
<< | interface: wwan1
<< | ip timeout: 20
<< ------------------------------------
<< Properties | apn: data.tre.se
<< | roaming: allowed
<< | ip type: ipv4v6
<< ------------------------------------
<< IPv4 configuration | method: static
<< | address: 2.68.206.100
<< | prefix: 29
<< | gateway: 2.68.206.101
<< | dns: 80.251.201.177, 80.251.201.178
<< | mtu: 1500
<< ------------------------------------
<< IPv6 configuration | method: static
<< | address: 2a02:aa1:1010:b6bb:6d12:d0dc:978e:3982
<< | prefix: 64
<< | gateway: 2a02:aa1:1010:b6bb:21ea:c721:62c3:9760
<< | dns: 2a02:aa0::55, 2a02:aa0::56
<< | mtu: 1500
<< ------------------------------------
<< Statistics | duration: 450
<< | bytes rx: 6693
<< | attempts: 1
<< | total-duration: 450
<< | total-bytes rx: 6693
From here we can see the IP details we've been assigned by the cellular network.
ModemManager does not assign IPv4 address details to the cellular modules network interface in Linux by itself.
When ModemManager is used in conjunction with NetworkManager and the cellular connection is managed by it, then the IPv4 address details will be collected by NetworkManager through ModemManager and automatically assigned to network interface when connection is established.
If the system does not implement NetworkManager, then the IP and routing configuration needs to be handled by user software/scripting.
Example:
Enable network interface in Linux:
ip link set wwan0 up
Set the IPv4 address acquired from bearer information above, the CIDR subnet mask can always be set to 32:
ip addr add 2.68.206.100/32 dev wwan0
Disable ARP:
ip link set dev wwan0 arp off
Set MTU value acquired from network:
ip link set dev wwan0 mtu 1500
Add a default or other type of route to the cellular network device (e.g. with a metric to set which route to prefer)
ip route add default dev wwan0 metric 200
Add the DNS servers reported by cellular network or use other public/desired ones.
DNS server addresses are handled in different ways depending on the Linux distribution and network manager used. Therefore please refer to related dist documentation for best practice to add / maintain DNS server addresses in your specific system.
sh -c "echo 'nameserver 80.251.201.177' >> /etc/resolv.conf"
sh -c "echo 'nameserver 80.251.201.178' >> /etc/resolv.conf"
We should now have a network interface passing data successfully, we can try it out by doing ping requests:
IPv4 data:
ping -4 -c 4 -I wwan0 8.8.8.8
PING 8.8.8.8 (8.8.8.8) from 2.68.206.100 wwan0: 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=57 time=50.8 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=57 time=48.8 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=57 time=24.0 ms
64 bytes from 8.8.8.8: icmp_seq=4 ttl=57 time=44.8 ms
--- 8.8.8.8 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3005ms
rtt min/avg/max/mdev = 23.979/42.115/50.840/10.694 ms
IPv6 data:
ping -6 -c 4 -I wwan0 2600::
PING 2600::(2600::) from 2a02:aa1:1010:b6bb:8962:7405:b81c:7627 wwan0: 56 data bytes
64 bytes from 2600::: icmp_seq=1 ttl=47 time=179 ms
64 bytes from 2600::: icmp_seq=2 ttl=47 time=176 ms
64 bytes from 2600::: icmp_seq=3 ttl=47 time=175 ms
64 bytes from 2600::: icmp_seq=4 ttl=47 time=177 ms
--- 2600:: ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3004ms
rtt min/avg/max/mdev = 175.411/176.935/179.268/1.446 ms
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Question
How to use NetworkManager and ModemManager in Linux to automatically establish a cellular data connection and configure IP details?
Solution
Using NetworkManager and ModemManager in Linux to automatically establish a connection and configure IP details
In this FAQ we will show how to set up NetworkManager to automatically configure, establish the cellular data connection in your system.
NetworkManager and ModemManager are open source tool for Linux to manage several types of networks and interfaces such as ethernet, wifi, etc. It can also manage cellular WWAN interfaces through the ModemManager tool.
It is hosted by the Freedesktop.org community and driven by Aleksander Morgado and other contributors. please visit https://wiki.gnome.org/Projects/NetworkManager and https://www.freedesktop.org/wiki/Software/ModemManager/ for latest information, source code, API reference manuals, debugging tips, contribution, mailing list etc.
ModemManager is capable of communicating over several types of device control channels such as QMI/RMNET, MBIM, MODEM / AT command etc. But support for vendor proprietary or out-of-kernel drivers are none or very limited. Such drivers are gobinet, simcom_wwan and other drivers provided by the vendors directly.
Many Linux distributions have NetworkManager and ModemManager pre-installed or they can typically easily be installed through the systems package manager.
In Ubuntu for example apt can install it for you by command if not already installed:
apt install network-manager
Check with commands below that you have both tools installed in system and their versions.
NetworkManager -V
ModemManager -V
ModemManager (and NetworkManager) are continuously developed for better compatibility with the cellular devices, therefore it is recommend to use a recent version of the tools and in case of problem situations, evaluate the latest versions from source and check the mailing list archives for possible discussions on the problem experienced.
Keep in mind that NetworkManager and ModemManager projects are not directly developed or driven by the cellular device vendors and the compatibility with the device you aim to use can be limited. Some vendors contribute with code to make their devices fully compatible, while others don't. Many cellular devices can be set to expose standardized types of USB network interface and control channel such as MBIM interface by USB-IF or the Qualcomm proprietary interface QMI that ModemManager will try to identify, and often manage to work successfully with but there are exceptions also.
Both NetworkManager and ModemManager have command line interfaces (nmcli and mmcli respectively) where you can interact with the management tools.
Relate to the following FAQ if you want more details for using ModemManager only to configure and control the cellular device but manually establish, maintain the connection and network interface IP address details.
How-to guide: control and set up a data connection in Linux using ModemManager as connection manager?
Have ModemManager list all the cellular device it has detected. Here we use the Alcatel IK41 series with MBIM interface in this example:
mmcli --list-modems
/org/freedesktop/ModemManager1/Modem/0 [Alcatel] Mobilebroadband
General details and status of them modem can be listed with "--modem" option.
mmcli --modem=0
-----------------------------
General | dbus path: /org/freedesktop/ModemManager1/Modem/0
| device id: 998e478c5b14c75e16bffe6abaacabef22fb2f5b
-----------------------------
Hardware | manufacturer: Alcatel
| model: Mobilebroadband
| firmware revision: MPSS.JO.2.0.2.c1.7-00004-9607_
| carrier config: default
| h/w revision: 0
| supported: gsm-umts, lte
| current: gsm-umts, lte
| equipment id:
-----------------------------
System | device: /sys/devices/pci0000:00/0000:00:14.0/usb3/3-1
| drivers: option1, cdc_mbim
| plugin: Generic
| primary port: cdc-wdm0
| ports: cdc-wdm0 (mbim), ttyUSB0 (at), ttyUSB2 (at), wwan0 (net),
| ttyUSB1 (qcdm)
-----------------------------
Status | lock: sim-pin
| unlock retries: sim-pin (3)
| state: locked
| power state: on
| signal quality: 0% (cached)
-----------------------------
Modes | supported: allowed: 2g; preferred: none
| allowed: 3g; preferred: none
| allowed: 4g; preferred: none
| allowed: 2g, 3g; preferred: 3g
| allowed: 2g, 3g; preferred: 2g
| allowed: 2g, 4g; preferred: 4g
| allowed: 2g, 4g; preferred: 2g
| allowed: 3g, 4g; preferred: 3g
| allowed: 3g, 4g; preferred: 4g
| allowed: 2g, 3g, 4g; preferred: 4g
| allowed: 2g, 3g, 4g; preferred: 3g
| allowed: 2g, 3g, 4g; preferred: 2g
| current: allowed: 2g, 3g, 4g; preferred: 2g
-----------------------------
Bands | supported: egsm, dcs, pcs, g850, utran-1, utran-8, eutran-1, eutran-3,
| eutran-7, eutran-8, eutran-20, eutran-28
| current: egsm, dcs, pcs, g850, utran-1, utran-8, eutran-1, eutran-3,
| eutran-7, eutran-8, eutran-20, eutran-28
-----------------------------
IP | supported: ipv4, ipv6, ipv4v6
-----------------------------
SIM | dbus path: /org/freedesktop/ModemManager1/SIM/0
Check that the cellular device is managed by NetworkManager by not having state "unmanaged" listed for it.
nmcli device status
DEVICE TYPE STATE CONNECTION
cdc-wdm0 gsm disconnected --
enp3s0 ethernet unmanaged --
lo loopback unmanaged --
Now you should create a connection profile in NetworkManager for your specific network carrier and SIM card with the "nmcli connection add" command:
For example:
nmcli connection add type gsm ifname '*' con-name '3-sweden' apn 'data.tre.se' connection.autoconnect yes gsm.pin 0000
- type is gsm for all typical cellular connections unless it is of cdma type.
- ifname is the control interface name, in this case cdc-wdm0, wildcard can be used also to have it autoselect.
- con-name is the profile name you want to give it.
- apn is provided by your network carrier and tells the modem what attach point it should use for the data connection.
- connection.autoconnect set to yes will make NetworkManager always try to auto connect and maintain this profile connection.
- gsm.pin lets you provide a pin code for the SIM card, that NetworkManager will try to use if PIN check is enabled for SIM card.
There are several additional commands and attributes available such as username and password settings for the APNs etc. Refer to the NetworkManager help and manual pages for full details on the commands.
If successful you should receive a reply similar to this one:
Connection '3-sweden' (cad6fcbf-2cb1-4796-b7e6-67b9f9635aef) successfully added.
You can check the status now by command:
nmcli device status
DEVICE TYPE STATE CONNECTION
cdc-wdm0 gsm connected 3-sweden
enp3s0 ethernet unmanaged --
lo loopback unmanaged --
Where connected should be listed as state if the connection establishment was successful.
If the connection is not successful or you want more details about the device and connection you can check commands:
You can list the current status with command:
nmcli radio
WIFI-HW WIFI WWAN-HW WWAN
enabled enabled enabled enabled
nmcli device show cdc-wdm
GENERAL.DEVICE: cdc-wdm0
GENERAL.TYPE: gsm
GENERAL.HWADDR: (unknown)
GENERAL.MTU: 1500
GENERAL.STATE: 100 (connected)
GENERAL.CONNECTION: 3-sweden
GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/18
IP4.ADDRESS[1]: 2.68.73.130/30
IP4.GATEWAY: 2.68.73.129
IP4.ROUTE[1]: dst = 2.68.73.128/30, nh = 0.0.0.0, mt = 700
IP4.ROUTE[2]: dst = 0.0.0.0/0, nh = 2.68.73.129, mt = 700
IP4.DNS[1]: 80.251.201.177
IP4.DNS[2]: 80.251.201.178
IP6.ADDRESS[1]: 2a02:aa1:1017:6d11:1060:3dff:feac:e92f/64
IP6.ADDRESS[2]: 2a02:aa1:1017:6d11:6474:7254:7b72:eb09/64
IP6.GATEWAY: 2a02:aa1:1017:6d11:21e6:9049:6cfb:8ac3
IP6.ROUTE[1]: dst = ff00::/8, nh = ::, mt = 256, table=255
IP6.ROUTE[2]: dst = 2a02:aa1:1017:6d11::/64, nh = ::, mt = 700
IP6.ROUTE[3]: dst = ::/0, nh = fe80::21e6:9049:6cfb:8ac3, mt = 1024
IP6.ROUTE[4]: dst = 2a02:aa1:1017:6d11::/64, nh = ::, mt = 256
IP6.ROUTE[5]: dst = ::/0, nh = 2a02:aa1:1017:6d11:21e6:9049:6cfb:8ac3, mt = 700
IP6.DNS[1]: 2a02:aa0::55
IP6.DNS[2]: 2a02:aa0::56
nmcli connection show
NAME UUID TYPE DEVICE
3-sweden e946017f-2e9c-477b-89ad-4c31e7331d65 gsm cdc-wdm0
Ifconfig should now show the related IP address details already set to the network interface by NetworkManager:
ifconfig
wwan0: flags=4291 mtu 1500
inet 2.68.73.130 netmask 255.255.255.252 broadcast 2.68.73.131
inet6 2a02:aa1:1017:6d11:6474:7254:7b72:eb09 prefixlen 64 scopeid 0x0
inet6 2a02:aa1:1017:6d11:1060:3dff:feac:e92f prefixlen 64 scopeid 0x0
ether 12:60:3d:ac:e9:2f txqueuelen 1000 (Ethernet)
RX packets 186 bytes 10886 (10.8 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 5 bytes 480 (480.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
You can now for example test the connection over the network interface by sending ping requests.
Testing IPV4 connection:
ping -4 -I wwan0 8.8.8.8
PING 8.8.8.8 (8.8.8.8) from 2.68.73.130 wwan0: 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=118 time=55.8 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=118 time=45.4 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=118 time=42.9 ms
--- 8.8.8.8 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 42.918/48.053/55.845/5.601 ms
Testing IPV6 connection: (if your cellular device, network subscription and APN supports it)
ping -6 -I wwan0 2600::
PING 2600::(2600::) from 2a02:aa1:1017:6d11:1060:3dff:feac:e92f wwan0: 56 data bytes
64 bytes from 2600::: icmp_seq=1 ttl=46 time=172 ms
64 bytes from 2600::: icmp_seq=2 ttl=46 time=171 ms
64 bytes from 2600::: icmp_seq=3 ttl=46 time=169 ms
64 bytes from 2600::: icmp_seq=4 ttl=46 time=168 ms
--- 2600:: ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3004ms
rtt min/avg/max/mdev = 167.921/170.037/172.272/1.651 ms
The connection is successful and automatic reconnect is working when testing to unplug and plug in the device again.
For additional configurations, commands and available attributes, please relate to the manual pages for NetworkManager and ModemManager.
Troubleshooting logs:
NetworkManager and ModemManager write log messages to the Linux syslog file /var/log/syslog.
In case of problems with establishing a cellular data connection, please copy the logfile after the problem have appeared and include it in a Techship technical support ticket.
In some situations more detailed debug logs are needed, these can be acquired by changing the log levels for NetworkManager and ModemManager and run them manually.
To capture debug logs, please first disable and stop the normal services:
systemctl stop NetworkManager ModemManager
systemctl disable NetworkManager ModemManager
Run them manually in background with debug level set:
/usr/sbin/ModemManager --log-level=DEBUG &> /dev/null &
/usr/sbin/NetworkManager --log-level=DEBUG &
Reproduce the cellular data connection problem.
Once completed, kill the processes:
killall -TERM NetworkManager ModemManager
Copy the relate messages in syslog to a mm-nm-sys-debug.log logfile:
grep -E 'ModemManager|NetworkManager|systemd|dbus-daemon|dhclient' /var/log/syslog > mm-nm-sys-debug.log
Activate and start the services again:
systemctl enable NetworkManager ModemManager
systemctl start NetworkManager ModemManager
Include the mm-nm-sys-debug.log in a technical support ticket at Techship.com where you describe the issue in details and include other relevant information also such as kernel version, ModemManager and NetworkManager versions, dmesg log etc.
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