Not sure how tricky this is going to be.

I've got an SRP520 series cisco router (I know a few of you use these).  Connected to that, I use a K3805-Z vodem mobile modem.  I use this one, rather than the 2degrees modem since it has an external antenna attachment.

The issue I'm having is sometimes the vodafone signal is coming through stronger and it's connects to that instead of 2degrees.

Since I'm on a Mobile Broadband Zone (for waaaay better 2degrees rates) it wont connect.

The question is: Can I force the router or modem to ONLY connect to the 2degrees carrier no matter what other signals are present?

Thanks for your insight.

I might sound like I'm trying to make life complicated, but unfortunately even though I've only 'just' out of town, there's a waiting list to get on fixed line broadband (#20 on waiting list) and I'm behind a hill, so something like AirNet cant get direct line of sight.

thanks again!!