Huawei E1820 Clé 3G (21Mb/s, USB)

Réseau EDGE, GPRS, GSM, HSDPA, Huawei, Clé 3G / 4G, Clé 3G / 4G, USB

Huawei E1820 Clé 3G (21Mb/s, USB)
Examen de compatibilité avec Linux:
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Huawei E1820 Clé 3G 
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Minimum: EUR 26,03 
Maximum: EUR 67,99  
Mis à jour: 06/03/2016 17:19

Examen de compatibilité avec Linux

The Huawei E1820 is a USB surfstick which supports connections via HSDPA, UMTS, HSUPA+, GSM, GPRS and EDGE. The stick has the USB ID 12d1:1446

Bus 002 Device 029: ID 12d1:1446 Huawei Technologies Co., Ltd.

The surfstick is fully supported by Ubuntu 12.04. After plugging the stick into the USB port the internet connection can be configured in the Ubuntu network menu by the item « New Mobile Broadband Connection ».

If the system is not configured correctly the surfstick is recognized by the Linux kernel as a CD-Rom drive:

usb 2-1.4: new high-speed USB device number 30 using ehci_hcd
scsi49 : usb-storage 2-1.4:1.0
scsi50 : usb-storage 2-1.4:1.1
scsi 49:0:0:0: CD-ROM HUAWEI Mass Storage 2.31 PQ: 0 ANSI: 2
scsi 50:0:0:0: Direct-Access HUAWEI TF CARD Storage PQ: 0 ANSI: 2
sr0: scsi-1 drive
sr 49:0:0:0: Attached scsi CD-ROM sr0
sr 49:0:0:0: Attached scsi generic sg1 type 5
sd 50:0:0:0: Attached scsi generic sg2 type 0
sd 50:0:0:0: [sdb] Attached SCSI removable disk

In this case the mode of the surfstick has to be switched by the command usb_modeswitch from the mode of a storage device back to a surfstick. The corresponding software can be installed in Debian-based Linux distributions by the command

apt-get install usb-modeswitch usb-modeswitch-data

Furthermore, the kernel modul usbserial is necessary, which can be loaded by the command:

modprobe usbserial

To switch the surfstick to the correct modus the following command has to be executed:

usb_modeswitch -v 12d1 -p 1446 -W -M 55534243123456780000000000000011060000000000000000000000000000

This command will also change the USB ID of the stick and will switch it into the surfstick mode.

In Ubuntu 12.04 the necessary modules as well as the configuration of the usb-modeswitch are already included in the distribution. Nonetheless, it can be necessary to execute these commands by hand in some scenarios.


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