Ericsson Wwan Wireless Module Device 01 Driver

Ericsson Wwan Wireless Module Device 01 Driver

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Ericsson F3507g Mobile Broadband Module

This is a Ericsson WWAN Adapter that is installed in a Mini-PCI Express slot

Specific versions of this card may come pre-configured for a certain carrier (AT&T)


  • Chipset: Ericsson F3507g
  • USB ID: 0bdb:1900
  • USB ID: 0bdb:1902
  • WCDMA 2100/1900/850MHz
  • GSM/GPRS/EDGE 850/900/1800/1900MHz
  • GPS
  • Download up to 7.2Mbps
  • Upload up to 2.0Mbps
Ericsson F3507g WWAN Adapter

Lenovo Partnumbers

  • Option PN 43R9152 (AT&T)
  • FRU 43Y6537 (AT&T)
  • FRU 43Y6513 (Other)

Forumthread with list of FRUs and corresponding firmwares (scroll down):

Firmware Date FRU Remarks
R1A034 2008-05-17 43Y6477
R1B003 2008-07-08 43Y6479
R1B/1 2008-07-30 43Y6513
R1D06 2008-11-07 43Y6537 better performance and stability, fixed many bugs from the previous version

Unlike other manufactures (Dell, Toshiba etc.) Lenovo does not release the firmware update utility public, so the only way to get a newer version F3507g is by replacing the existing one.

  • 7Using the card as a wireless modem


Here are some basics about Ericsson F3507g MiniPCIe WWAN/GPS card (USB ID 0bdb:1900 and 0bdb:1902):

  • the card will not work without an inserted SIM, even the GPS function. If you want to use just GPS, any SIM would work, even if it is not attached to any active account with any GSM provider.
  • the card provides three CDC ACM interfaces (CONFIG_USB_ACM=m), two CDC WDM interfaces (CONFIG_USB_WDM=m) and one CDC Ethernet interface (CONFIG_USB_NET_CDCETHER=m), and identifies them as


  • apparently, for a while option USB-serial driver had claimed USB ID 0bdb:1900, but this was wrong, and as of kernel that commit was reversed. If instead of /dev/ttyACM* you see /dev/ttyUSB*, it means that option module is loaded. You may need to blacklist it to make sure it doesn't happen.
  • Support for the CDC Ethernet interface appears only in kernel But if your kernel is older, you can still connect to the net using one of the 'Modem' interfaces. As of kernel 2.6.33 it is named wwan0 rather than usb0.

As Ericsson's naming scheme suggests, idealy we would use /dev/cdc-wdm0 for controlling the card, usb0 (or wwan0) as a network device, /dev/ttyACM0 or /dev/ttyACM1 as a modem, and /dev/ttyACM2 for GPS. This works for manual testing, but unfortunately, due to limitations of chat, does not play very well in scripts. So, instead of /dev/cdc-wdm0, for controlling the card we will use /dev/ttyACM1.

Turning the card on

First, check whenever the SIM is protected by PIN by sending

to /dev/ttyACM1. You can do it with any terminal terminal program like cu or minicom. If the answer is

then the SIM is unlocked. If the answer is

you need first to unlock it by sending

to /dev/ttyACM1. Now the card can be turned on by sending

to /dev/ttyACM1. The answer should be

Don't try to do anything until you see it. To force GSM-only connection, send

to /dev/ttyACM1. To force WCDMA-only connection, send

to /dev/ttyACM1.

Turning the card off

To put the card into energy-saving mode (this is the default), you can send

to /dev/ttyACM1. To remove all power from the card, send

to /dev/ttyACM1. Be carefull with the last command. It turns the card completely off, and it will no longer accept any AT-commands before the hard reset. To physically reset the card flip the wireless switch off, and then on. You can do the same by sending echo 0 > /sys/devices/platform/thinkpad_acpi/rfkill/rfkill0/state (to turn off) and then echo 1 > /sys/devices/platform/thinkpad_acpi/rfkill/rfkill0/state (to turn on).

Using the card as a wireless modem

Once the card is turned on, there are two ways to connect to the net. The first one is just to use the card as any 'normal' GPRS modem and start pppd daemon on one of /dev/ttyACM*. The other way is to use CDC Ethernet interface. It is supposed to be more efficient, but it requires a pretty recent (>= kernel.

Connecting to the net via pppd

For the first approach, the easiest way to do it is to use wvdial. For example, to connect to AT&T Wireless network, your /etc/wvdial.conf would have to be something like this

Note: if you are using a SIM from a different mobile provider, you may need to change the access point name (APN) 'proxy' in Init1 string and Username/Password to something else. You can find the appropriate APN here.

Connecting to the net via CDC Ethernet interface

The second approach works for kernels >= Configure the APN by sending

to /dev/ttyACM1. Instead of 'proxy' you may need to use to something else. Find the appropriate APN here. To initiate the connection, send

to /dev/ttyACM1. Now, if your wireless provider lets you in, you are connected. Launch dhclient

and start surfing the net (or use wwan0 for kernels >= 2.6.33). To disconnect, send

to /dev/ttyACM1.

Using the card as a GPS receiver

Once the card is turned on, we can use it to get GPS info via NMEA protocol. First, you have to configure the a few NMEA options. It is done by sending

to /dev/ttyACM1. Here

  • X can be 0 (NMEA stream turned off) or 1 (NMEA stream turned on)
  • Y can be an integer form 1 to 60, and sets the frequency of how often the card emits the NMEA sentences
  • Z can be 0 (DGPS is turned off) or 1 (DGPS is turned on)

so, to configure the GPSr to update every 5 seconds, and turn DGPS on, you would send

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to /dev/ttyACM1. Once the GPSr is configured, we can get the NMEA stream on /dev/ttyACM2 by sending

to /dev/ttyACM2. Once you do that, /dev/ttyACM2 will no longer accept any new AT-commands. But you still can change the the behavior of the NMEA stream by sending the appropriate

to /dev/ttyACM1. Now you can read the NMEA stream by saying

or better yet, start gpsd interface on /dev/ttyACM2.

Note: There is a now a sourceforge project dedicated to the Ericsson Mobile Broadband modules. Gps control sw that does the above automatically is available and also a graphical user interface. Details are available on the MBM Wiki.

Scripting everything

Install the packages

In order to save the power, let us use sysfsutils to completely power off the WWAN card on boot. Append the following line to /etc/sysfs.conf

It will power down the card on boot, but when the laptop wakes from sleep, in some cases the card is powered up again. To re-apply these settings on wake-up, create a script named /etc/pm/sleep.d/10sysfsutils:

Lua read write serial port number. Don't forget to chmod a+x /etc/pm/sleep.d/10sysfsutils. Create a file called /usr/local/etc/F3507g containing the following:

Give the correct USB_ID and PIN, and find the APN for your wireless provider here. Append the following lines to your /etc/network/interfaces file

Configure /etc/wvdial.conf to look like this:

Note: you may need to change the access point name (APN) 'proxy' in Init1 string and Username/Password to something else. Find the appropriate APN here.

Now broadband connection could be started in the same way as you start any other network interface, just by saying ifup usb0 (or ifup 3G, if connecting via pppd). To shut it down, say ifdown usb0 (or ifdown 3G). Similarly, GPS interface is started by ifup gps and turned off by ifdown gps. Once you get a fix, you can use your favourite GPS mapping application like tangogps. The 'cold start' seems to take quite a bit however, and sometimes it cannot get a fix if indoors.

Ericsson Wwan Wireless Module Device 01 Driver

Using F3507g with ifup / ifdown

The wwan-helper script is a simpler alternative to the 'Scripting everything' section. It has slightly different chat scripts that establish a WWAN connection more reliably, even in case of a partially-initialized modem. It retries as often as necessary until the WWAN connection is really established. The downside is that it doesn't (yet) enable GPS. To use it, simply download wwan-helper:

and configure your APN and PIN in /etc/wwan-helper/config:

Finally, add wwan-helper to the pre-up and post-down hooks:

That way, no special settings in /etc/network/interfaces are needed, just the plain standard entry:

(Reminder from the Overview section: If you have a Linux kernel 3.2 or older, use usb0 instead of wwan0.)

Using F3507g with NetworkManager

Work is ongoing to add support for Ericsson Mobile Broadband Modules to GNOME NetworkManager / modem-manager. More information is available on the MBM project website and the MBM wiki.

The F3507g card (in a ThinkPad T400s) works out of the box on Fedora 11. No configuration is needed beyond setting the data plan provider in the nm-applet GUI.

Using mbm-gpsd gps works flawlessly with the F3507g on Karmic Koala with modemmanager packages from Ubuntu PPA, the mbm-gpsd installed by source using the description from here and knowing the PIN of your SIM card.

SMS with wammu/gammu

You can use Wammu to receive and send SMS.

After installing wammu (with the usual apt-get install wammu or whatever), choose to configure it 'Manually':

(credits: linrunner)

Sony Ericsson F3507g configuration explained on wammu website

Other thoughts

While AT+CFUN=* and AT+CPIN=* are pretty standard commands for wireless modems and are well-documented, it appears that the commands AT*E2GPSCTL and AT*E2GPSNPD are unique to the Ericsson F3507g card. All credit for discovering them goes to 'Nickolai Zeldovich' who left a comment in this thread. I imagine one could find them via a USB sniffer on a working Windows machine (or a Linux machine with Windows running in a virtual machine). Another way to get them is to try to look for 'gps' string in Windows drivers. What is interesting, F3507g supports a few other AT-commands with 'GPS' substring (you can get all supported AT-commands by sending AT* to /dev/ttyACM1 after activating it with AT+CFUN=1). Anyway, there is a project aiming to document all AT-commands for the Ericsson F3507g card. The project links to a full reference which no longer works. The new link appears to be [1]

Related Links


  • Ubuntu 8.10 kernel suffers from the 'option' regression mentioned above. However both CDC ACM and CDC Ethernet interfaces are treated correctly by Ubuntu 9.04 kernel.
  • Playing around with the device under Linux can cause it to disappear under Windows Vista. Issue + Fix described here


Under certain circumstances the device may disappear completely from your system or refuse to connect to a network even though everything worked fine up to now. In such a situation one of the following methods could solve the problem:

  • Use the killswitch to reset the card. Switch all rf devices off, wait about 30s (all wireless leds should be off), switch them on again and wait for the card to appear. Use 'lsusb' to find the device.
  • Shut down, remove the battery, take out the SIM, clean the SIM slot, insert the SIM and battery and start your Thinkpad again.
  • Disable the card in the BIOS: go to 'Config', 'Security', 'I/O Port Access' and switch 'wireless wan' to 'disabled'. Save, restart and boot. Then do the same thing again and enable it again.

If the last method doesn't show any success on windows, support will consider your card to be broken and send you a new one while your Thinkpad is still covered by the warranty.Please note that Linux can revive a locked up card that can't be discovered on windows after using the last method. If even Linux can't find the device it's definitely broken and needs to be replaced.

ThinkPads this adapter may be found in

  • SL300, SL400, SL500, SL510
  • T400, T400s, T500
  • X200, X200 Tablet, X301
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Ericsson Wwan Wireless Module Device 01 Driver
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