Ericsson F3507g Mobile Broadband Module

The most common pitfall might be, that the chip has been inserted wrong side,
since the insert-direction of the X200’s USIM slot is not as one would expect
(the tiny USIM icon on the bleach underneath can hardly be noticed unless there’s good light).

Lenovo X200 - USIM Slot

Once the USIM has contact – it works out of the box with NetworkManager Applet 0.7.996.

This script lists the ttyACM devices that the option module carries:

for n in <code>ls /sys/class/*/*{ACM,wdm,usb0}*/device/interface</code>;
   do echo $(echo $n|awk -F '/' '{print $5}') : $(cat $n);
done
usb0 : Ericsson F3507g Mobile Broadband Minicard Network Adapter
ttyACM0 : Ericsson F3507g Mobile Broadband Minicard Modem
ttyACM1 : Ericsson F3507g Mobile Broadband Minicard Data Modem
ttyACM2 : Ericsson F3507g Mobile Broadband Minicard GPS Port
cdc-wdm0 : Ericsson F3507g Mobile Broadband Minicard Device Management
cdc-wdm1 : Ericsson F3507g Mobile Broadband Minicard PC SC Port

And here’s a working configuration for the 3G data modem from /etc/wvdial.conf:

[Dialer F3507g]
New PPPD = yes
Modem Type = USB Modem
Modem = /dev/ttyACM1
Baud = 460800
Init1 = AT+CFUN=6
Init2 = AT+CGDCONT=1,"IP","pinternet.interkom.de"
Username = fonic
Password = fonic
Phone = *99#

This is how to grep the output nicely, when dialing up:

wvdial 2>&1 | grep -v -i -E "7f]|pap|chap"

Just in case you should require the 3G driver for Windows – you can obtain it from Lenovo.

The Ericsson Wireless Manager for the EC400 modem works fine with the Ericsson F3507g –
It’s definitely more handy than Lenovo’s Mobile Broadband Connect, which just tells me: “Activation for this service provider is currently unsupported”.

3 Responses to “Ericsson F3507g Mobile Broadband Module”

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