Posts tagged ‘UMTS’

I was a bit afraid that getting an UMTS USB stick to work under Linux would be an impossible task. Turns out to be reasonably simple. These notes are for a Huawei K4505 HSPA+ USB stick, as provided by Proximus (Vodaphone group).

Continue reading ‘Mobile broadband USB stick on Linux’ »

When troubleshooting a network performance problem today, I discovered some strange behavior when using an internet connection over a cellular network (GSM in my case):

When the line was idle for half a minute or so, the connection seems to hang a few seconds before working again. I verified this with our mobile provider Proximus and got the following interesting response: (liberally translated by me)
Continue reading ‘Setup delay on wireless data networks’ »