umm I don't think you have forces enabled... your tool bar should look like the attached.http://files.engineering.com/getfile.aspx?folder=4babfa65-a32a-4c60-a8ba-3ad50c73f4b3&file=ss.jpg
I hate to sound like a pessimist but I seriously doubt that you're going to find a PLC with those options at that price.
Additionally I am not aware of any PLC that natively supports GSM or 3G data services.
That being said your best bet may be a combination of an Automation Direct...