I'm soon going to install a 3g modem (Huawei B932) with an external antenna on our summer place. When choosing what direction the antenna should be directed it would be very useful to get some sort of measure for the signal strength for each direction. The modem it self just gives 3 levels with different led colors, and I suspect that is not enough for me.
I found many questions about getting the signal strength for a USB stick modem, but how about a real modem that is connected to the laptop through an ethernet cabel.
I tried Ixconn, but could not get it working. It just says "Modem not responding".
I'm using 12.04
Hmm... the answer might depend a lot on the modem type, all are "real" ;-)
Here is a google search for "Fastrack" modem manuals,
https://www.google.se/?gfe_rd=cr&safe=off#q=fastrack+modem+manual&safe=off
If you look through them you eventually find "AT+CSQ" in there, The prepended "+" followed by "CSQ" is short for "Cellular, Signal Quality" (edit: see comment below). A modem of this type may me accessed through a serial port where you 'type' AT-commands and get them executed. Typing just "AT" followed by ENTER would create a response either "OK" or a number corresponding to it. (This could just as well be software 'typing' it).
The manuals that come up for the huawei doesn't suggest there is an "AT-command" interface available:
https://www.google.se/?gfe_rd=cr&safe=off#q=huawei%20b932%20manual&safe=off