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Dell 5530 / Ericsson f3507g 3G Signal Monitor on Linux

A few months back I made a python script available which monitored the Dell 5530 / Ericsson f3507g mobile broadband modem in Linux providing network, access type and signal information to a file for other programs (such as Conky) to pick up and display the data.

I've since updated this program to now use PyGTK to display a status icon indicating the signal strength and the access type. Through this icon the radio state can be changed to enforce 3G only, GPRS only or 3G preferred connections (aswell as turning the radio off).

The script should work in tandem to network-manager so you can still get online using something you already use. The only addition is a new status icon with your signal strength - something ModemManager should resolve when it becomes available as standard in a few months time. If you can't wait that long and want signal monitoring, then this is for you!

Additionally, if you use vnstat to monitor your bandwidth, clicking the status icon will display your current months usage for ppp0.

Dell 5530 / Ericsson f3507g 3G Signal Monitor for Linux

Update: Now lives on GitHub at https://github.com/bazwilliams/dell5530mon

Hopefully someone may find this program useful! If you do, why not consider donating to Multiple Sclerosis? There is a sponsorship button on the front page of my blog or at JustGiving

Comments

R said…
In case you get an error:

$ ./dell5530_mon.py
Traceback (most recent call last):
File "./dell5530_mon.py", line 6, in <module>
import serial
ImportError: No module named serial

do

$ sudo apt-get install python-serial

(That would be for a Debian based system like Ubuntu. Adapt to yours)

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Howto: Ubuntu 8.10, Dell 5530, 3G/WWan and GPS

There is an updated howto on the Dell 5530 using my own python based monitoring tool at http://blog.bjw.me.uk/2009/03/dell-5530ericsson-f3507g-on-linux.html

Introduction

Here is a Howto document for getting the Dell 5530 wwan card working along with the onboard GPS under Ubuntu 8.10. This card does not work conveniently with the bundled Network Manager software, but replacing NetworkManager with other utilities will give the ability to get online using a pretty GUI and not have to resort to using wvdial and the command line...

It should also work with the Ericsson f3507g as I believe the Dell 5530 is a rebadged version of this module.

Check Hardware

First you need to check the modem is detected correctly. On my computer, the modem is detected out of the box by the cdc_acm module and exposes three serial ports (/dev/ttyACM[0,1,2]) for communication. Check by running:

dmesg | grep ACM

Mine shows the following:


[ 34.385302] cdc_acm 1-6:1.1: ttyACM0: USB ACM device
[ 34.390039] cdc_a…

Dell 5530/Ericsson f3507g on Linux

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I no longer use UMTSMon as I found it relied on AT+CSQ for the signal quality and during UMTS and HSPA connections, the f3507g/dell 5530 returns either the previous GPRS value or 99,99 which UMTSMon considers as no connection available.

I've used a simplified wvdial.conf scripts and now do the rest of the radio work using python.

wvdial.conf

# Author: Barry John Williams
# Creative Commons Attribute-Share Alike 2.5 UK:Scotland Licence

[Dialer defaults]
New PPPD = yes
Stupid Mode = 1
Modem Type = ACM Modem
Modem = /dev/ttyACM1
Init1 = AT
Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
Init3 = AT+CGDCONT=1,"ip","internet"
Baud = 460800
ISDN = 0
Phone = *99***1#
P…

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A toothbrush timer!

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