starting a few months ago at my house all of a sudden there was alot of RF interference that keeps 2.4ghz-cordless phones,Cell phones,RF remotes controls, etc from working,,about the only thing that does work is the garage door. I know by FCC regs, i must accept this anoying bs. But is there anyway i can cheeply track down where this is coming from, or maybe even return the favor ;-).or something,,.Thanks in advance for any help,, I apologize if this type of post is out of line or otherwise bothersome